1 |
grading upContinued use of purebred sires of the same breed in a grade herd.
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2 |
grading upThe act of improving a flock by mating in purebred sires to improve the offspring, eventually making offspring eligible for registration as a purely bred animal
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3 |
grading upContinued use of purebred sires of the same breed in a grade herd.
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