Multiphasic Analysis of Reproductive Efficiency of Dairy Bulls
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چکیده
منابع مشابه
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15 صفحه اولReproductive Efficiency of Purebred and Crossbred Dairy Cattle
Nine measures related to breeding efficiency were used for comparisons among purebred Ayrshires, Brown Swiss, Holsteins, and Jerseys and between purebreds and 32 crossbred groups representing 2-breed, 3-breed, 5/8, and backcrosses by purebred sires and progeny of crossbred sires. There were four herds wi th Holsteins common to all, Brown Swiss and Jerseys in three herds and Ayrshires in one her...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1995
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(95)76917-x