Re: Genetics 1-A
Well said.......................................wayne
-----Original Message-----
From: Ken & Charlotte Mitchell <twoturkey@juno.com>
To: pumpkins@mallorn.com <pumpkins@mallorn.com>
Date: Sunday, December 17, 2000 3:43 AM
Subject: Re: Genetics 1-A
>Hey everyone
>Poultry as well as other species of livestock are somewhat line bred.
>For instance in the poultry industry we breed with a straight pure male
>line, while on the female side is quite different. We have four possible
>outcomes of which three of the four are vital to the species. FF, MF,
>FM, MM. Lets say that FF is a feminine female needed for egg production
>and MF is a macho female used for the production of meat, yet will not
>carry the species because of the lack of egg production. FM is a
>feminine male, which has no importance what so ever and the MM is a
>macho male used to with both of these females. It is the best of both
>worlds getting the eggs to continue the species, while having the weight
>to be productive. Genetics is like a tree with its branches and each
>decision up the tree leads to a new branch. In the late 80's the
>industry went so far on the production side with heavy birds for breast
>meat that we lost much ground in genetics having to climb back down the
>tree before the limb breaks. Heavy birds with little emphasis on
>skeletal structure will soon collapse. While crossing different members
>increases vigor it also increases variability because of the increase in
>genetic info, on the other hand inbreeding increases the great genes and
>predictability it also increases your bad traits. After a given time in
>any animal operation one must bring in new male stock to avoid a crash
>3-5 years, plants???. Having started a show sheep herd and talking to
>other well known breeders; the success is in a tight wound herd using
>family prodigy close together ( sons , mother, cousins, sisters). In the
>turkey industry we our growing a third generation bird, which is the
>fastest and most efficient of the three generations, but crossing two of
>the third generation birds together gets you too huge variations where
>little predictability. What makes AG's grow is no different from birds.
>Genetics, Nutrition, and management, all must have equal importance.
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