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BOOK SUMMARY :

Herd bull fertility will teach you how to recognize whether a bull is fertile even before the semen test generously illustrated with photographs and diagrams this manual is a must for the cattle grower choosing a bull for his breeding programthe most important factor influencing the profitability of a beef operation is the percentage of the calf crop weaned which in turn is determined mainly by the number of cows bred during the breeding season the herd bull influences overall herd fertility more than any other single animal because the bull also supplies half of the genetics to all of the calves he sires bull selection can herd bull fertility by james drayson this is a book by james drayson and his 35 years of measuring bulls from a fertility standpoint he followed 1500 bulls from birth to death and recorded findings in bulls that is unequaled by any other researcherherd management tools find the latest resources and tools for managing your herd here educational videos learn more about the hereford breed dna sample collection herd management techniques and more in the aha educational video library read more gestation chartmanagement factors influencing fertility in beef cattle breeding programs ga perry1 jc dalton2 and tw geary3 1south dakota state university brookings sd 2university of idaho caldwell id 3usda ars livestock and range research laboratory miles city mt introduction

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