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    • Nigerian Bucks
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    • Bucks on Ice
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Dr. Marie's Blog

Reflections on my experiences as a farmer.

3/11/2018

Planning Breedings

The work of planning breedings can be greatly helped by creating priorities and using technology. As I shared in a previous post, one of my favorite pieces of technology is Kintraks. I'm a data junkie and I love pedigree analysis, so researching the genetics online is one of my favorite activities. If you don't like to research genetics, see if a friend will share their Kintraks database with you. However, GIGO applies, garbage in, garbage out. 

One of my first priorities is health. Over the years I've purchased or adopted a variety of excessively inbred animals (dogs, cats, Nubians, Nigerians). One thing that they had in common were funky illnesses and weaknesses. Funky in the sense that you didn't see these problems in animals with low levels of inbreeding. Examples include eye problems, early onset of sterility, fertility problems in does, kidding difficulties, etc. Since I've started tracking these problems, I've set my preferences between 5-10% over ten generations. Why the range? Because it depends on the pedigrees of the individual goats. Some inbreeding is desirable to gain consistency, and once you factor in historic inbreeding (7th-10th generation) it is difficult to find a goat with a COI less than 2%. And, since some genetic lines of goats are already heavily inbred (as high as 64%), bringing the COI (inbreeding coefficient) down to an acceptable level can take multiple generations. 

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    Marie-France Orillion, Ph.D.

    Welcome to my blog! I am a retired researcher/university administrator. Since I'm a bit of a workaholic (my other addiction is sugar), I've embarked on a second career as an elementary school teacher. When I'm not working I enjoy playing with my goats and my gardens. This blog is a place where I reflect on what I've learned along the way. 

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Owlhaven Farm is a California Limited Liability Corporation

Tested Annually for CAE, CL, Johnes, and Q-Fever
100% DISEASE FREE


​National Premises ID: 00MXEEA
CA USDA Flock ID: CA18730 


Copyright 2011
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