6 Tips for success

Read our monthly 6 tips newsletters, designed to give insights around reproduction in dairy farming businesses. These handy and timely tips include anything from reminders to new discoveries.

Check out the latest stats

Results are finalised from the 2018 spring mating season and its great news. Nationally we have improved the 6 week in-calf rate by +0.9% and not-in-calf rate by -0.8% from the previous season, building on the gains already made between 2016 and 2017. Keep going at this rate and the 2019/20 season could be the best season on record! Check out our website for the full run down.

6 week in calf rate

Keep up those records

One of the main benefits of having national stats is bench marking. Bench marking gives you the ability to see where an individual farm or group of farms sits in relation to others in similar circumstances and enables accurate goal setting. These national statistics are comprised of data from the 4207 herds across the nation, with a level of recording high enough to obtain a detailed Fertility Focus Report. With this number of farms growing annually, we hope that the national statistics become increasingly reliable and that farmers see the increased benefits of having good records at their fingertips.

Know the measures: Not-in-calf rate

You will notice that officially published reproductive performance statistics will refer to ‘not in-calf rate’ as opposed to ‘empty rate’. This is because the not-in-calf rate is, essentially, everything minus the final in-calf rate making it comparable among farms and good to use for bench marking between years as well; whereas the empty rate can differ from farm to farm depending on who was diagnosed come pregnancy testing time. Nationally the rate of cows recorded empty was 11.8% of eligible cows, however the not-in-calf rate was 16.7%.  The not-in-calf rate includes cows with a doubtful pregnancy testing result, culled before receiving a pregnancy testing result, or missing both a pregnancy testing result and a record of culling. 

Not in calf rate

Consider the repercussions

While it’s fantastic that we’ve improved reproductive performance over the last few years, it’s important to remember that with improvement comes repercussions. More cows in-calf in the first 6 weeks and a lower not-in-calf rate means more calves on the ground earlier and more lactating cows needing to be fed too. Make sure you’re well-resourced to keep up with the energy demands of all these extra mouths and that you have a plan in place for accommodating surplus stock. 

Don't forget the update

2018 saw the update of the Fertility Focus Report to version 3.01. With this update came changes to some of the calculations, such as conception rate. With the national stats being calculated through the output of the DairyNZ Fertility Focus Report and its rules, previously published national stats are not comparable as they will have been the output of the previous 2.15 version. But don’t worry, we have run three seasons worth of data through the new version so that you’re getting the best bench marking data out there. DairyNZ will also be updating the dairy statistics publication to accommodate these updated results!

Think of going all AB

The stats are through on herds that used all-AB through mating compared to herds whom used a combination of AB and natural mating. All-AB herds had a 0.2% higher 6 week in-calf rate but a 1.1% higher not in-calf rate. These were driven by a 3.4% higher 3 week submission rate and a 1.5% lower conception rate for all-AB herds. However, when you account for the fact that conception rates can only be calculated for the AB period of mating, this lower conception rate of all-AB herds makes sense as the longer you get through the mating season, the lower the conception rates are. In other words, the more cows you can get pregnant in the first 4-6 weeks, the more efficient you will be in getting cows in-calf, regardless of using AB or Natural Mating bulls. And really the choice is yours when it comes to deciding to go all AB - national statistics say there’s not much in it.


Have the essentials ready

Prepare a calving kit in advance so you have an opportunity to go and source anything you’re missing. There is no time to be scrambling for essentials during calving! DairyNZ recommends preparing a bucket with:

  • Navel spray
  • Metabolics
  • Lube
  • Towel
  • Soap
  • Calf tags/identification
  • Gloves
  • Notebook and pencil/recording tool
  • Calving ropes
  • Spray paint/tail paint
  • Torch
  • Food/energy bars for staff
  • Calving intervention guide

Get your calf sheds ready

Upon calf collection you need to have calf sheds ready - preparing now can take some stress off. Without the presence of the mother and with low antibodies, the calf sheds need to be sheltered from extreme weather conditions as well as dry, disinfected and well ventilated to give calves the best start.

Colostrum is key

Colostrum is an essential part of the calf’s development and is vital in the first hours of life. Colostrum is rich with antibodies that provide the calf protection from illness in this time.

Get everyone up to speed

As it can get pretty crazy during calving, it is a good idea to take some time now to discuss the key responsibilities and processes around calving with staff. If you don’t have staff, consider hiring and training them up to give you a hand through this period.

Plan for rearing

Start thinking about your heifer rearing process. These animals are the future of your herd and need to be well grown to ensure they become productive in the herd. Farmers use different methods for growing heifers - be it on a run off, at the dairy farm or through a contractor. Either way, thinking about your process in advance will give you more time to make sure they’re under the responsibility of someone that is committed to reaching live weight targets and has good communication.

DairyNZ has some good points to consider when thinking about different rearing options.

Keep your records in order

Recording is the key to making informed decisions in the future, whether that be regarding herd improvement or otherwise. Make sure you have a process in place for recording during calving - you will need to record things such as:

  • Date
  • Fate
  • Dam
  • Sex
  • Calf identity number
  • Assisted or unassisted calving

The MINDA app is a great way to record on the go.

Know the physiological changes

During calving a cow’s immune function is compromised, teat canals open and unfavourable ground conditions are common which increases risk for mastitis rates.

At calving a cow’s pelvic tendons and ligaments relax for ease of calving however this can lead to less stability overall. In addition, a cow’s body condition loss after calving can reduce its foot’s ability to absorb shock and can lead to increased risk of lameness*.

Practice good stockmanship

Good stockmanship during this period can be all the difference. Not rushing stock on the tracks and practicing good hygiene at milking will help minimise risk of infections.

Know the trigger points

It’s important to recognise what a normal level of disease is around calving, so you can identify when to intervene. Look out for any of the following red flags*:

  • More than 5% of the herd require hands-on assistance to calve
  • More than 2% of the herd have retained foetal membranes 24 hours after calving
  • More than 5% of cows become lame in a month
  • More than 5% of the herd have clinical mastitis the month after calving
  • More than 5% of the herd suffer any other health problems at calving or during early lactation

Stay on top of body condition score (BCS)

BCS is a crucial factor in influencing the health of the transition cow, her milk production and reproductive success.

For this time of year it’s important to note that there are around 40 days in the dry period that a cow will not put on condition. For the first two weeks after drying off they will not gain due to the active immune response involved in drying off. They will also gain very little in the last month before calving due to the calf taking over a portion of the rumen capacity in the abdomen as well as the large energy demand the growing calf demands. Make sure this has been factored in when it comes to creating a strategy to reach condition score targets**.

Have a plan

The dry period is a great time to go over strategies with staff. For example, what happens if a cow becomes sick? What is the recording process? What will the different roles be at calving? Preparing your staff can ensure a successful transition period for your herd.

Record, so you can learn from it

Improvement year on year largely hinges on recording. By recording treatments in MINDA® you can analyse the portion of your herd with a health condition and also how it impacted in-calf rates and ultimately not-in-calf rates, allowing you to better identify what the issues are for your herd.



*DairyNZ(2017) Caring for the transition cow. Inside Dairy. June edition

**DairyNZ(2014) Feeding for condition score gain. Technical Series. Issue 21

With over 4,000 herds across the country now recording enough data to produce detailed fertility focus reports, the latest version features some updated targets.

Get your hands on one

A Fertility Focus Report can be obtained through the MINDA® LIVE reproduction tab under ‘reports’. They can also be obtained through CRV Ambreed and Infovet.

Keep on top of recording to get a 'detailed' report

Depending on the level of data available there are three types of fertility focus reports that can be produced, this is displayed on the reverse side of the report.

A ‘basic’ report is generated when only low levels of information are available. Numbers are calculated from re-calving information and the 6-week in-calf rate is an estimate only.

An ‘intermediate’ report requires calving dates entered and AB information recorded for at least 50% of the cows. If there are fewer than 80% aged pregnancy test results recorded the report remains intermediate. In this report the 6 week in-calf rate is an estimate based on calving and mating information.

A ‘detailed report’ is most accurate and is the best report to use when comparing performance between seasons and farms as well as using to base herd management decisions. To obtain a detailed report at least 80% of the herd must have aged pregnancy results recorded and at least 80% of those results need to be early aged. Check out our when to scan calculator for more information on early aged pregnancy diagnosis.

Know the difference between not in-calf rate and empty rate

You will notice that the Fertility Focus Report displays the ‘not in-calf rate’ as opposed to ‘empty rate’ to measure reproductive performance. This is because it allows reports to be compared to other farms and to previous seasons. Empty rates can be subjective which is why the not in-calf rate is used. This figure is 100% minus your total in-calf rate, this means it includes culls, rechecks and animals that were not tested.

Understand how to follow the report

The Fertility Focus Report displays a lot of information on one page. Make sure you take the time to get acquainted and understand how to follow it through in a logical progression.

The first section gives an overview of the herd reproductive performance, looking at key reproductive measures. The second section shows how the key measures in the first section were obtained, displaying the drivers of the 6 week in-calf rate. The third section then looks at performance in some of the key farm management areas that impact reproductive performance so you can gain insights on what management areas (such as calving pattern, heat detection, young stock management or bull management) are positively or negatively impacting reproductive performance.

If you are having trouble following the Fertility Focus Report speak to a trained in-calf advisor or trusted rural professional, or download the Fertility Focus user’s guide.

Set goals

With the Fertility Focus Report allowing you to track the progression of reproductive performance over years and compare to targets, it makes it easy to set reasonable goals. The aim above targets and star rating system is based off actual farmer data. Top results and aim above targets are set at performance achieved by the top 25% of farmers.

Discuss it with a rural professional

The Fertility Focus Report is a great conversation starter, talk it through with you rural professional and together come up with an action plan that works towards your goals.

For more information or help with mating on your farm, contact your local rural professional.

Aim for BCS targets

Cows that reach calving body condition score (BCS) targets can produce more, begin cycling earlier after calving and therefore be more likely to fall pregnant toward the start of mating.

Body condition score targets at calving are as follows:

  • 2 & 3 year olds              5.5
  • 4 - 8 year olds               5
  • 9+ year olds                  5.5

Condition takes time

Cows will not gain BCS for one to two weeks after dry off due to the immune response involved in the drying off process. They also gain very little right before calving due to large energy demands of growing a calf. All up there are approximately 40 days during the dry period where cows are not gaining condition. This, along with BCS should be taken into account when deciding on dry off dates for your cows.

Don’t overshoot

When it comes to BCS, there is a sweet spot. Although we often refer to at risk cows as those that are under target, cows over target can also be at increased risk of metabolic disease. Make sure you keep monitoring your animals so they don’t end up too far on either side of the scale.

Have a feed plan

Take the guesswork out of feeding for BCS targets by making a feed plan around the type and quantity of feed depending on live weight.

The below table (retrieved from p52 DairyNZ Facts and Figures) shows the amount of feed (kg DM) required to be eaten for a 1.0 increase in body condition score across different feeds and breeds.

Dry Matter Table

Manage individual cows accordingly

Individual cows have individual needs. Separating dry cows into separate mobs based on BCS allows you to more accurately cater to their needs and use feed effectively.

Don’t forget the next generation

Young stock should represent some of the best genetics in your herd. Keep up good communication with your grazier to make sure they reach live weight targets. This will give them the best possible start and a chance to perform to their full potential both productively and reproductively. The below table displays live weight targets for different size cows at different ages (retrieved from p56 DairyNZ Facts and Figures).

Heifer liveweights

Score regularly

 BCS is not something that can be changed overnight. Therefore it’s crucial to score regularly so those not at target are quickly identified and action plans can be put in place before it’s too late! MINDA® allows you to record and keep track of body condition scores as well as see where they are in relation to the BCS target for the time of year.

Score accurately

Use a trained eye to ensure your scores are accurate. It won’t do anyone any good being generous with scoring when it comes to performance! There are plenty of materials available to get you up to speed with how to score. Alternatively you can use an accredited professional or do it with a neighbour to make sure it is fair scoring.

Use BCS to determine dry off

Together with expected calving dates, BCS should be used to determine when to dry off. Those further from target should dry off further from their calving date to ensure they reach calving body condition targets.

It’s important to note that there are approximately 40 days during a dry period that a cow does not gain BCS. A dry cow will not gain BCS for one to two weeks after drying off due to the active immune response involved in the drying off process, and will also gain very little body condition during the month before calving due to the large energy demand of the growing calf.

Run two mobs to ensure varying requirements are met

Different body conditions require different management. After you’ve scored the cows, draft out a lighter mob so you can cater specifically to their needs and ensure cows are getting the treatment they need to reach target. 

Preferentially feed animals below target

A key way to put condition on cows is to make sure you are giving them enough of the right type of feed. But remember, energy is only partitioned to BCS when maintenance, activity, pregnancy and milk production demands are already met.

Reduce milking of animals below target

Once a day milking allows the girls more energy to go toward maintaining or gaining body condition. Losses in milk production on a per day basis can be made back through extra days in milk in autumn.

With aged pregnancy results coming in, this edition of six tips will help you identify areas that might be holding back your repro performance.

Narrowing in on these factors will allow you to focus your attention where it’s needed the most – giving you the best chance to improve performance.

All of these can be done via MINDA® and will require good records. However, If you do not keep good records in MINDA®, these tips can be an opportunity for you to see what valuable insights can be gained from doing so.

Compare the in-calf rates (or not in-calf rates) between:

Late calvers and those that calved in the first six weeks of calving

If late calvers (those that calved after week 6 of calving) make up a considerable portion of the herd (aim for less than 13%) and are demonstrating lower performance, it’s likely the late calving group is holding back reproductive performance.

Look into your records to help understand why they’re getting in calf/calving late. You could also try some short term methods such as culling or the use of SGL to get back on track.

Animals that aren’t at target body condition score and animals that are

If those that aren’t at target make up a sizeable portion of the herd and have poorer performance, this will be a contributing factor to lowered reproductive performance.

To improve BCS, strategies such as preferential management, increased feeding, once a day milking or drying off early are all good options.

2 & 3 year olds should be 5.5 at calving, 4.5 at mating.
4+ year olds should be 5 at calving, 4 at mating.

Animals affected by health issues and animals that aren’t

If those affected are not performing as well as those that are then it’s likely cow health is a contributing factor to lowered reproductive performance. Take a look at what portion of the herd is affected by health problems to determine the urgency of the issue.

Talk to your vet to discuss precautionary measures and have a quick response to significant health issues that arise.

Different age groups within your herd

If there is a particular age group that is underperforming and represents a decent portion of the herd, look further into their records such as weights, BCS and health to determine why and take the necessary steps.

Different periods in time

Look at the in calf rates and see if there was a point in time where in calf rates dropped off. Consider timely events that could have caused this to happen. This could be anything from changing from AB to bulls to a change in weather or feed supply.

And finally, put it into action

Prioritise what area demands the most attention by looking at what portion of the herd falls into each problem category.

First set a goal (have fewer cows under BCS target), then create a plan and assign tasks to staff (preferential management for the suboptimal group with increased feeding, drying off early or once a day milking), and be sure to measure and track results (regularly scoring cows).

Review your mating end date to prevent a wide calving spread

The longer your mating period, the longer your calving spread for next season. Tighter calving patterns give cows more time to recover between calving and mating, improving their ability to get back in-calf. It also allows time for staff to have a quick break before getting busy with mating! If you’re trying to decrease the impact your mating length has on calving spread, think about using short gestation length semen in your final few weeks of mating.

Make informed culling decisions to prevent wasting resources

Once you have received results around herd testing and expected calving dates (from early -aged pregnancy testing) you have all you need to make informed culling decisions for herd improvement, and it is best to move quickly. You don’t want to be wasting resources on stock you don’t plan on keeping.

Manage grazing effectively to prevent a feed shortage

Measure pasture regularly to ensure pre-grazed and residual targets are met. You want to make the most of your spring grass and be able to quickly identify if you will require supplementary feed to get you through the summer months or if you have surplus that can be used to make silage. Underfed stock can have a big impact on milk production, meeting BCS targets at calving and subsequent reproductive performance.

Measure liveweight of young stock to prevent under performance

Measuring regularly will allow you to identify if there is a group that needs preferential management before it is too late. They should reach 30% of liveweight at 6 months of age, 60% at 15 months and 90% at 22 months of age. Dairy NZ has more detailed information on nutritional requirements of heifers.

Monitor BCS to prevent poor performance

This time of year stock will have generally lost a bit of condition since calving. Getting them back up in time for calving next season needs to start now. First and second calvers should have a body condition score of 5.5 at calving and 4+ year olds a score of 5 at calving. Regular scoring will allow you to track their progress and decide on an action plan of preferential management for stock who are behind. Not reaching these targets will mean your stock won’t be in the best position to perform well reproductively and productively the following season. Check out our website for more tips on maintaining body condition score over summer.

Create a plan for summer to prevent dropping the ball

Create a plan for all of this so that you don’t drop the ball in managing your girls to have the best reproductive and productive performance possible. Dairy NZ have a good summer management plan template available for you to use, suggesting some important things to consider.

Weigh young stock regularly

This will allow you to track their growth so you can make informed management decisions and give them the best chance at becoming high performing animals.

If you enter this data in MINDA® Weights you can analyse this information to ensure young stock don’t deviate so far off track they can’t recover. Having heifer weights in close proximity to their targets is a key step to getting them in-calf when they reach their mating age.

We recommend weighing them at least once before they leave the nest and then again every 1-3 months at grazing.

Book pregnancy test dates

It’s a busy time of year and vets can be in high demand so make sure you book in early so you get your preferred dates for pregnancy testing. An early aged pregnancy test will ensure you get actual conception dates as well as a detailed fertility focus report. This kind of information can help you spot where the opportunities for next season lie. To get this information, your girls need to be scanned between 35 and 122 days from conception, this can sometimes mean booking two tests.

Use our when to scan calculator to figure out when you should be getting scans done.

Be vigilant with stock movements

Under the current state of heightened biosecurity in New Zealand, make sure you’re taking the relevant precautionary measures for all stock movements. Whether you have stock coming on-farm or you’re sending stock away, this DairyNZ biosecurity checklistis a great resource to use.

Prepare for end of mating

If you’re bringing bulls on-farm make sure you’re aware of their health status, movements and the biosecurity practices that are in place on their source farm. Wherever possible, source yearling virgin bulls directly from closed herds. Before they arrive make sure you have taken relevant safety precautions to keep your staff safe.

For farms that are extending their AB period and going ‘no bull’ have a staff roster in place to manage potential heat detection fatigue. Consider using SGL semen at the end of mating to condense calving spread, increase days in milk and give cows more time to recover before mating.

Keep records up to date

Collecting records such as body condition scores, calvings, non-cycling cow treatments, health issues (eg. mastitis) and pregnancy test results can allow you to assess your performance and clarify what is holding back key performance indicators, such as 6 week in-calf rate, on your farm. So keep those books up to date!

Start planning holidays

Holiday season is just around the corner, so start discussing holiday rosters with your farm staff. You don’t want to be left short-handed!

Monitor submission rate

Are you putting up enough cows to hit the 90% 3-week submission rate target?  Checking your submission rate daily will let you see if you’re still on track.  Because you’ll have your finger on the submission rate pulse, if you’re not on-track, you’ll have the chance to make changes during mating, e.g. adjust heat detection practices or herd feeding management, rather than just getting a nasty surprise at pregnancy testing time.  An easy place to see your daily submission rate is the Daily Submission Rates graph on MINDA Live.   Alternatively, page 28 of the InCalf book show you how to calculate your submission rate.

Monitor invented heats

Are you putting up the right cows?  Invented heats are costly and indicate that heat detection practices may need improvement.  To keep an eye on the number of invented heats this mating you can use the Early Indicator – Repeat Matings graph on MINDA Live between days 7 to 17 of mating.  You are aiming for less than 10% in the “% Returned” box.  If you’re over 10%, it’s not panic time, but it is a good time to review your heat detection practices to see if any improvements can be made.

Monitor milk dockets

Is herd nutrition impacting your submission rate?  A study by Burke and others* found that restricting feed during the mating period impacted submission rate.  The authors proposed that this may have been due to a weaker expression of heat in the feed restricted cows impacting the ability to accurately detect when they were in heat.  What does this mean for you? If your herd is going through a feed pinch, it may make your/your bull’s job of finding which cows are in heat harder, and lead to a reduction in submission rate.  Use your milk docket to monitor your herd’s nutrition so that you can pro-actively manage your herd’s feeding to prevent drops in submission rate - Nutritional Check #2, page 88 of the InCalf book.

Maintain heat detection aids

Is your heat detection aid maintenance up to scratch?  Keeping on top of aid maintenance will help to reduce confusion at mating time.  Poor aid maintenance could make it hard to tell if a cow’s tail paint/heat mount detector has truly been rubbed off/has come off due to the cow standing to be ridden, or if she is just changing her coat.  On the other hand, ensure tail paint isn’t too thick, otherwise no amount of riding will rub it off!  Check out heat detection aid tips on pages 111-115 of the InCalf book.

Managing cows separated out for AB

Could your AB cow management be affecting conception rates?  Once you’ve done the hard work of finding which cows are on heat, give them the best chance to conceive by following ‘good management practices’.  Following the practices on page 127 of the InCalf book, such as providing these girls access to quality pasture/feed and water, will help to eliminate unnecessary stresses that may impact conception rates.

Monitor the bulls in with your heifers

Are the bulls doing their job?  Do you have enough bulls (especially if you’ve done a synchrony)?  Is your bull management optimal?  Whether the bulls are out with your heifers or your cows, having enough well managed bulls is critical for getting good in-calf rates.  Calving early as a first calver is one of the key elements to setting up your heifers to have a long productive life in your herd.  Use the resources on the DairyNZ Bull management page to help ensure your heifers have the best chance of getting in-calf early.

Why do I need to hit target?

Hitting the pre-mating heat target (at least 85% of the herd cycling by mating start date) means, on average, that you’ll have better mating results. Looking at herds that had pre-mating heats and non-cycler cow treatments recorded (2013 to 2017 spring matings), herds that were on target had a 5% higher 6-week in-calf rate than those who weren’t.  They also treated about 2/3 fewer non-cycler cows.  This means that putting in the work to maximise your herd’s pre-mating cycling rates will help you to have a lower cost per pregnancy, higher farm profitability, a tighter calving pattern and more AB calves next season.  For more pre-mating cycling information, check out chapter 17 of the InCalf book.

Maximising pre-mating cycling rates

When taking a long term view on reproduction, maximising pre-mating cycling requires a whole lifecycle/whole season focus.  Seeing as we’re not far off mating this season though, here’s a couple of things you can do right now to help maximise pre-mating cycling rates:

  • Keep on top of cow health issues –health issues, such as mastitis or endometritis, have been shown to increase the time it takes for a cow to resume cycling after calving.  Reducing and proactively managing cow health issues could help increase the number of cows you have cycling pre-mating

  • Preferentially manage young/lighter cows – preferentially feeding, running in a separate mob, and/or putting these cows on once-a-day may help increase the number of these girls that will cycle before mating starts

Why do pre-mating heats

Doing pre-mating heats has many benefits - the big one being that it allows you to be pro-active in your non-cycler management.  Depending how far out from mating you are, having pre-mating heat information will give you more options than just hormonal intervention for dealing with your non-cyclers and getting your girls cycling ahead of mating.  For information on doing pre-mating heats check out page 148 of the InCalf book.

Timing does matter

If hormonal intervention is an option you plan to use for your non-cyclers, the earlier you treat (before vs after mating start date) the better your reproduction results and bottom line are likely to be.  Based on the last 5 season’s data, herds that treated their non-cyclers before mating start date treated more cows, but their better 6-week in-calf and not-in-calf rates means they earned around $8,900 more the next season*.  Treating earlier doesn’t have to mean treating more cows though.  It’s likely there will be cows in your non-cycler group that aren’t worth treating (old cows, poor producers), so being selective in who you treat will help to keep treatment numbers down.

Importance of heat detection accuracy

Most of us know that missing a heat is costly, but so is inventing heats (mating cows that are not on heat).  Invented heats not only waste semen and increases your cost per pregnancy, but if you mate a cow that is already pregnant, there is a 20-50% chance she will lose her pregnancy (Sturman et al. 2000).  Invented heats result in a short return (cow mated again within 1-17 days), so reducing your short returns will result in you reducing your invented heats.  If you are worried that trying to reduce your short returns will mean a lower in-calf rate, herds with fewer invented heats (less than 20% short returns on the Return Interval Analysis) have, on average, a 3% higher 6-week in-calf rate.

Create a heat detection plan

To help ensure heats are not invented or missed, get the team together and nail down your heat detection plan.  This is especially important if you’re going to extend your AB mating length this year.  Before mating starts, create a heat detection plan that includes assigning who does what and when, a heat detection roster (if needed), and procedures for a) drafting cows on heat (so cycling cows don’t slip through the net), b) selecting which of the drafted cows you’ll mate, c) heat detection aid maintenance, and d) heat detection aid reapplication after a cow has been inseminated.  Pre-mating heats are the perfect time to dust-off your heat detection skills and assess new staff members’ skills, plus there is usually a Heat Detection workshop somewhere nearby that you can attend to pick up the latest heat detection tips and hints.

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Get in touch to request a quote or find out more about Protrack BCS.

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