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Can You Get Good Heterosis from a Crossbred Bull?
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<blockquote data-quote="Jeanne - Simme Valley" data-source="post: 1490742" data-attributes="member: 968"><p>WalnutCr, you sorta have the concept, nut not quite.</p><p>A PB is NEVER considered 100%.</p><p>PB originally were developed using Fullbloods. Breeding up with FB bred to 0%, getting half bloods, bred to FB getting 3/4, bred to FB, getting 7/8. In the beginning females were considered PB at 7/8 but bulls had to be 15/16 to be PB.</p><p>We had a very established population before they dropped the 15.16 requirement.</p><p>A PB is never only 75% Simmental actual genetics. You forget we have been established since 1968.</p><p>An old PB line of cattle have an unmeasurable amount of "other breed".</p></blockquote><p></p>
[QUOTE="Jeanne - Simme Valley, post: 1490742, member: 968"] WalnutCr, you sorta have the concept, nut not quite. A PB is NEVER considered 100%. PB originally were developed using Fullbloods. Breeding up with FB bred to 0%, getting half bloods, bred to FB getting 3/4, bred to FB, getting 7/8. In the beginning females were considered PB at 7/8 but bulls had to be 15/16 to be PB. We had a very established population before they dropped the 15.16 requirement. A PB is never only 75% Simmental actual genetics. You forget we have been established since 1968. An old PB line of cattle have an unmeasurable amount of "other breed". [/QUOTE]
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Can You Get Good Heterosis from a Crossbred Bull?
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