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机译:Comparison of two alternate PGF(2 alpha) products in two estrus synchronization protocols in beef heifers
North Florida Res & Educ Ctr, Marianna, FL 32446 USA;
Univ Nebraska, West Cent Res & Extens Ctr, North Platte, NE 69101 USA;
North Dakota State Univ, Dept Anim Sci, Fargo, ND 58108 USATexas A&M Univ, Dept Anim Sci, College Stn, TX 77843 USA;
beef heifer; estrus synchronization; prostaglandin F-2 alpha;