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<blockquote data-quote="Cattle Rack Rancher" data-source="post: 48337" data-attributes="member: 245"><p>When the concept of heterosis or hybrid vigor was taught to me, the professor used corn as an example. All the corn that is grown commercially, in North America is hybrid corn. The way it is produced is to inbreed two lines of corn. The more you breed that corn back to itself the more dwarfed and stunted it becomes. This is called suppression and that corn will have a very fixed and dominant set of characteristics. The second corn that is being crossed with will also have a very fixed set of dominant characteristics that are different than the corn it is being crossed with. When the two are crossed. All of those dominant and desirable characteristics are represented in the hybrid giving it hybrid vigor with big lush looking plants.</p><p>The same is true in cattle lines. Any breed that has been linebred for a certain set of desirable and dominant characteristics will work well to cross with another breed that has been linebred for a different set of dominant characteristics. Among British breeds, you get some hybrid vigor. British to Continental should get you a little bit more. British to Indian cattle, a little more yet and British to American Buffalo should give you the most. Of course at some point, the F1's will be sterile as the cross is too far apart genetically.</p></blockquote><p></p>
[QUOTE="Cattle Rack Rancher, post: 48337, member: 245"] When the concept of heterosis or hybrid vigor was taught to me, the professor used corn as an example. All the corn that is grown commercially, in North America is hybrid corn. The way it is produced is to inbreed two lines of corn. The more you breed that corn back to itself the more dwarfed and stunted it becomes. This is called suppression and that corn will have a very fixed and dominant set of characteristics. The second corn that is being crossed with will also have a very fixed set of dominant characteristics that are different than the corn it is being crossed with. When the two are crossed. All of those dominant and desirable characteristics are represented in the hybrid giving it hybrid vigor with big lush looking plants. The same is true in cattle lines. Any breed that has been linebred for a certain set of desirable and dominant characteristics will work well to cross with another breed that has been linebred for a different set of dominant characteristics. Among British breeds, you get some hybrid vigor. British to Continental should get you a little bit more. British to Indian cattle, a little more yet and British to American Buffalo should give you the most. Of course at some point, the F1's will be sterile as the cross is too far apart genetically. [/QUOTE]
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