Results 181 to 190 of about 148,897 (216)
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Photoperiod effects on the development of beef heifers
Canadian Journal of Animal Science, 2003Crossbred beef heifers (n = 144) were assigned at weaning (187 ± 14 d of age) by body weight (225 ± 23 kg) and sire breed (British/Continental) to one of two photoperiod treatments from 21 Decem ber 1998 (0 wk) until 10 May 1999 (20 wk): natural photoperiod (NP) that gradually increased from 8.1 h (0 wk) to 15.2 h (20 wk) and, extended photoperiod (EP)
J. A. Small +4 more
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Synchronization of estrus after treatment with Luprostiol in beef cows and in beef and dairy heifers
Theriogenology, 1990Four trials were conducted to study synchronous estrous response in beef cows and in beef and dairy heifers to Luprostiol (13, thia-PG-F(2)alpha analog) in comparison with other prostaglandin products. In Trial 1, 60 virgin beef heifers were observed for estrus for 5 d and artificially inseminated.
N I, Plata +5 more
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Beef heifer estrus synchronization programs
The Bovine Practitioner, 1988Oestrus synchronization by administration of PG, norgestomet + oestradiol valerate or MGA + PG is discussed.
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Veterinary Clinics of North America: Food Animal Practice, 2016
Robert L, Larson +2 more
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Robert L, Larson +2 more
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Use of fenprostalene in superovulated beef heifers
Veterinary Record, 1986M P, Boland +3 more
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Genome-Wide Association Analyses of Fertility Traits in Beef Heifers
Genes, 2021Troy Rowan +2 more
exaly
A note on the early calving of beef heifers
2016No Abstract.
Scholtz, MM, Lombard, PE, Enslin, CB
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