Heat Detection & Timing

This is without a doubt the most important part of any breeding program.  If your heat detection is off, your entire breeding program will suffer…  ASIC has spent years defining the dry -days post weaning schedule for optimal breeding performance and we highly recommend you give them a try.  That said, we recently discovered that many people around the world have misinterpreted our timing because they categorize the wean day, as day 1.  Our protocols look at the wean day as 0, so this misinterpretation could result in the breeding schedule being off by 24 hours!

We aim to breed your animals on a personalized basis.  If you use one protocol for all animals, disregarding the number of dry days post weaning, you will not be as accurate as what we present.  This section is very key to your success!  Variations of this around the world prove to be successful, but please do not stray too far away from what we will show you below.

This is how we want you to overlap ovulation with our injected doses of semen…  Since we instantly reach the UTJ, we delay our inseminations which are probably different from what you are accustomed to…  If you breed with AMG catheters using timing protocols for “traditional catheters”, you will most likely NOT achieve the results people get when following our instructions!

Please study what we have to say very carefully and understand the reasoning behind our methods; simply because 1) we have proven these protocols work over the years and 2) we want you to be as successful as possible with our technology…

..Proper timing 2x

The following tables show what our we think the timing SHOULD BE on a daily basis to achieve the overlap shown above…

Wean day English

The problem we find when people categorize their wean day as 1 instead of zero is, it moves the entire breeding schedule up 24 hours as shown below.  This creates improper AI timing for the first dose and the results are not what you want, or would expect from this process…  As you can see below, the first dose on days 3-7 becomes “questionable” if not a complete waste of time and money by breeding too early!  If our model is correct, your first dose of semen will die before ovulation occurs.  Therefore, why do it?

2x moved 24 hours for wean day allowance

For those of you who say, “it’s OK, we will cover ovulation better on the 3rd dose”, I must ask you why do you think that?  First of all, it still makes no sense to use the first dose in this scenario if it is a complete waste.  You waist one catheter, a container of semen, and all the time it takes for the AI process (albiet with our technology the time is small).  More importantly, most people I ask say only a % of animals will stand for the 3rd dose, so whatever % does not stand the 3rd time is pretty much getting the equivalent of a single-dose insemination.  Now we are good, but I do not recommend anyone gives single-dose inseminations, and the important thing to understand is you must breed on the animals time schedule and not based on the convenience of your crew…

Immediately following is a graph showing the proposed 3rd dose of semen and how it overlaps ovulation.  While it clearly shows the 3rd dose would be appropriate in “most cases”, let me remind you that nobody I know of has all their animals stand for the boar the 3rd time.

Wean day categorized as 1, showing 3rd dose photoshop

Ok, now let’s get to the actual heat detection.  It is critical that you have competent heat detection technicians.  And since heat detection is somewhat a subjective process, it is a good idea to have groups of technicians all working together to form the final opinion on what is, and what is not standing for the boar.  Organization is the key to success in this area.  We strongly recommend your people clearly mark the animals that are ready to breed, and also ON THE ANIMAL which day, AM or PM, they need to be serviced.  This allows anyone and everyone walking in the barn to instantly know which animal gets bred when, and not just the person who found her in heat.  Far too often, we see no marking whatsoever on the animals (and sometimes not even on the breeding cards) showing the insemination schedule…  People tell me that is OK because they “know” their animals and recognize them by sight, ear tags, and ear cropping.  OK, so what if the person who knows all this is sick the next day, or for a couple of days?  Wouldn’t it make sense to be organized and clearly mark the animals like in the next videos?

The first set of videos is from Muyuan Farm in China, a 10,000 sow unit that performs all heat detection in the breeding crates…

The next batch of video comes from two different nucleus farms with the Wens Group.  Here, much of the initial heat detection is performed in pens, and subsequent heat for the 3rd dose is done in the breeding crates…

It is important that you spend time with your animals during heat detection.  Look at all aspects of estrus, agitation and noise, ears, vulva (is it real swollen and red) or is it sticky and more of a pink color?   Can you sit, stand, and/or ride on the animal?  Does she lock up strong, or is she just coming into heat?  In my experience, people tend to breed to early and want to rush the animals.  In the previous videos, the technicians put a dot, or a circle on the animals showing signs of estrus but not quite standing strong for the boar.  This makes it easier “tomorrow” to find that animal and take some extra time with her.  This again, is simply part of being organized!

Proper marking of your animals and the organization of placing them in-line in the breeding crates should be an important part of every successful breeding program.


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