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Heterosis (hybrid vigor)
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<blockquote data-quote="dun" data-source="post: 108603" data-attributes="member: 34"><p>There are 3 way crosses, four way crosses, but after that I think any one part is getting pretty diluted.</p><p>An F1 isn;t the only crossbreed. If you mate a crossbred (F1) to another breed different then the original two you have a 3 way cross.</p><p>That's how you would maximize heterosis. An F1 cow contributing her heterosis and the bull of the third breed kicking in to add heterosis in the calf. More corsses may get you more heterosis, I think somewhere one of the studys claimed that a 4 way cross was the maximum you could expect heterosis to play a part. I guess after that they're just mongrels.</p><p></p><p>dun</p></blockquote><p></p>
[QUOTE="dun, post: 108603, member: 34"] There are 3 way crosses, four way crosses, but after that I think any one part is getting pretty diluted. An F1 isn;t the only crossbreed. If you mate a crossbred (F1) to another breed different then the original two you have a 3 way cross. That's how you would maximize heterosis. An F1 cow contributing her heterosis and the bull of the third breed kicking in to add heterosis in the calf. More corsses may get you more heterosis, I think somewhere one of the studys claimed that a 4 way cross was the maximum you could expect heterosis to play a part. I guess after that they're just mongrels. dun [/QUOTE]
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