Moon Phase Breeding
 
 

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Moon Phase Breeding

This is a discussion on Moon Phase Breeding within the Horse Breeding forums, part of the Horse Breeds, Breeding, and Genetics category
  • New moon and horse breeding
  • Moon phase calander for a filly or colt

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    01-30-2012, 11:34 PM
  #1
Yearling
Moon Phase Breeding

I'm curious to see how many others have tried this, and to see outcomes. Here's the info:

Quote:
"Anyone who breeds knows the feeling of elation when your mare "gets it right"and gives you exactly what you ordered, be it filly or colt.
The earth spins around the earth and the earth spins around the sun, resulting in 4 phases of the moon, called quarters. This cycle takes 29.5 days and is known as the lunar cycle.
The moon is said to be new when it is directly between the sun and the earth, in complete shadow and invivible to us.
The first and the last quarter occur when the moon is on the opposite side of the earth to the sun, so that the suns rays are reflected arounde the earth to hit the moon. This casts the earths shadow on the moon, leaving only a crecent shaped sliver to recieve the suns rays.
When there is a full moon, the moon is completley outside of the earths shadow and is totally exposed to the sun's rays. A full moon rises at sunset and sets at sunrise, but other phases of the moon can start during the day and vanish before dawn.

In 2004, researchers in the UK published the results of a 14 year survey into the effects of the moon on thoroughbred mare fertility. It was not concerned with whether the mares produced live foals but concentrated only on conception rates. Fertility was defined as the proportion of coverings that led to conception and tended to peak around the full moon each month, decreasingaround the first quarter, which occurs a week earlier.
The idea is that, just are highest on the day after the full moon and new moon each month, so to is the horses fertility also centered on the day after the full and new moons. Tables were generated, centered on the days after the full moon, new moon, and the first and last quarters. These tables showed that the mares tended to cycle less during the first quarter and oestrus and fertility peaked around the full moon and for about a week afterwards. The overall increase from the first quarter to the full moon was 29%.
The conclusion reached from this study was that peaks in mare coverings and in fertility tended to synchronise on or just after the full moon, meaning that mares are more fetile at or just after a full moon. This is valuable information if you are struggling to get your mare in foal and, with the use of modern hormone therapy, it is a simple matter to time her ovulation for the days after the moon is full.

The full moon period is apparently also the time to breed fillies. Depending on which quarter of the lunar cycle the mare concieves, you may be able to determine the sex of the foal before you breed the mare.
The optimum time to breed for a filly is from the day before or the day of the first quarter to a few days after the full moon and for colts, the day before or the day of the last quarter until a few days after the new moon. These times change by a day or two each month and there are 2 or three transitional days between each where you have a 50/50 chance of getting a filly or a colt."
While we didn't pay attention to this with our mare's second foal, because we weren't the ones who bred her, with some help from the breeding certificate and tracking lunar phases, the mare was bred within one week of the full moon. She produced a filly that year, and we also bred her within 4 days of a full moon in 2010. She gave us a filly in 2011... In 2008, she was bred 2 weeks before a full moon, and she produced a colt in 2009.

Anyone else tried this or gone by it? We pay close attention to it, and we skipped breeding last year, but this year we'll be paying attention to the moon and hopefully we'll line up cycles with it.
     
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    01-30-2012, 11:41 PM
  #2
Yearling
That is so interesting. I have heard of all types of ways to get a mare to have a colt or filly, such as breed her at night vs. day or breed at sunset/sunrise, etc. I have no idea if it holds any merit or just happens to be coincidence. I am going to check where my mare was in the moon cycles when she was bred and lets see what she has!!! I'm just going to look at the calendar, hope that is good enough!
     
    01-31-2012, 12:07 AM
  #3
Started
Wow, when I get my mare bred I'll sure to get on here are re-read this :) Maybe it's true LOL 50% chance either way
     
    01-31-2012, 12:20 AM
  #4
Trained
Nop do not beleive in it. Have looked at it before and never been correct. However I have had beter luck controling sex by timing semen and ivulation. However since I breed most of my mares with shipped semen I do not fool around like I do when I use my stallion.
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    01-31-2012, 12:53 AM
  #5
Yearling
Yeah, AI is a massive pain with the AMHA (American Miniature Horse Assoc.) and it's just not worth it. I wish it was easier, STALLIONS GALORE. I spend way too much time drooling and dreaming LOL
     
    01-31-2012, 12:54 AM
  #6
Yearling
Quote:
Originally Posted by trainerunlimited    
That is so interesting. I have heard of all types of ways to get a mare to have a colt or filly, such as breed her at night vs. day or breed at sunset/sunrise, etc. I have no idea if it holds any merit or just happens to be coincidence. I am going to check where my mare was in the moon cycles when she was bred and lets see what she has!!! I'm just going to look at the calendar, hope that is good enough!
You can find Lunar Calculators online if you know the dates she was bred!
     
    01-31-2012, 12:54 AM
  #7
Trained
Bunch of "lunatics".
     
    01-31-2012, 12:54 AM
  #8
Yearling
Lol, I heard the TB industry is allowing semen to be collected and inseminated into the mare as long as its on the same facility. That's a lot better than no AI at all!!! It allows them to breed more mares, anyways!!!
     
    01-31-2012, 12:58 AM
  #9
Trained
It also improves the conception rate and less injuries to the breeding animals.
     
    01-31-2012, 01:02 AM
  #10
Yearling
Has anyone found a lunar calc for mares? I've looked briefly and haven't found one as of yet. My mares last breeding date was April 25th, 2011
     

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