Menu
Forums
New posts
Search forums
What's new
New posts
New media
New media comments
New profile posts
Latest activity
Media
New media
New comments
Search media
Members
Current visitors
New profile posts
Search profile posts
Log in
Register
What's new
Search
Search
Search titles and first posts only
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Forums
Cattle Boards
Beginners Board
Replacement females???
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Help Support CattleToday:
Message
<blockquote data-quote="Warren Allison" data-source="post: 1848321" data-attributes="member: 40587"><p>If the bull is<em> not</em> a carrier of a defective gene ( and if it is, he only has one copy, heterazygous for it. If he were homozygous for it, carried 2 copies of the gene, then he would have the defect) then he of course could not pass it to a daughter. (her mother may be a carrier though, which opens a whole nother can of worms). Bred back to that daughter, then there is no chance the non-existent gene is passed to his daughter-who-is-also-his-granddaughter. It is when the bull<em> is </em>a carrier, that the chances of a defective calf increase when bred to his daughter. Most commercial breeders do not test their animals for defective genes, so it is like I said, Russian Roulette, when they inbreed. </p><p></p><p>It doesn't matter one way or the other, if the father-daughter calf is intended to be terminal or retained yet again...the gene is passed at conception. I guess the ones saying it doesn't matter as long as it is just a terminal cross, don't care about the next person to own it. Another negative to buying commercial, sale-barn heifers. And if the are<em> bred</em> heifers, they may be father-daughter heifers that was bred<em> back</em> to her sire-grandsire. </p><p></p><p>I have a contact for Brahma replacement heifers, that does retain some of his heifers for his own use from time to time., He maintains around 150 brood cows, that he uses to custom breed 1/2 Brahma replacements ` for folks. He keeps Brahma semen in his tanks, too. When one of those cows is about to age out, he will AI her to a Brahma sire. But it wont be to one that was <em>her</em> sire, when <em>her</em> momma aged out. </p><p></p><p>A guy that ropes with us keeps a commercial herd of about 50-60 cows...mostly angus, black baldies, and a few simm angus. He has 2 Angus bulls he that he uses...dividing the cows into two different pastures at breeding time. He does retain heifers sometimes, but he will breed them to the bull that was <em>not</em> her sire.</p></blockquote><p></p>
[QUOTE="Warren Allison, post: 1848321, member: 40587"] If the bull is[I] not[/I] a carrier of a defective gene ( and if it is, he only has one copy, heterazygous for it. If he were homozygous for it, carried 2 copies of the gene, then he would have the defect) then he of course could not pass it to a daughter. (her mother may be a carrier though, which opens a whole nother can of worms). Bred back to that daughter, then there is no chance the non-existent gene is passed to his daughter-who-is-also-his-granddaughter. It is when the bull[I] is [/I]a carrier, that the chances of a defective calf increase when bred to his daughter. Most commercial breeders do not test their animals for defective genes, so it is like I said, Russian Roulette, when they inbreed. It doesn't matter one way or the other, if the father-daughter calf is intended to be terminal or retained yet again...the gene is passed at conception. I guess the ones saying it doesn't matter as long as it is just a terminal cross, don't care about the next person to own it. Another negative to buying commercial, sale-barn heifers. And if the are[I] bred[/I] heifers, they may be father-daughter heifers that was bred[I] back[/I] to her sire-grandsire. I have a contact for Brahma replacement heifers, that does retain some of his heifers for his own use from time to time., He maintains around 150 brood cows, that he uses to custom breed 1/2 Brahma replacements ` for folks. He keeps Brahma semen in his tanks, too. When one of those cows is about to age out, he will AI her to a Brahma sire. But it wont be to one that was [I]her[/I] sire, when [I]her[/I] momma aged out. A guy that ropes with us keeps a commercial herd of about 50-60 cows...mostly angus, black baldies, and a few simm angus. He has 2 Angus bulls he that he uses...dividing the cows into two different pastures at breeding time. He does retain heifers sometimes, but he will breed them to the bull that was [I]not[/I] her sire. [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Cattle Boards
Beginners Board
Replacement females???
Top