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Theriogenology|April 1, 1991
Ultrasonic biparietal diameter of second trimester Pygmy goat fetusesJ K Reichle, G K HaibelTheriogenology|April 1, 1991
Evaluation of the incorporation of GnRH into a superovulatory regimen for Zebu cattleE Posadas, J Valencia, L Zarco, et al.Theriogenology|April 1, 1991
Frozen bovine semen quality and bovine cervical mucus penetration testA Galli, M Basetti, D Balduzzi, et al.Theriogenology|April 1, 1991
The effects of dietary protein on age and weight at the onset of puberty in Brown Swiss and Zebu heifers in the tropicsP Fajersson, H V Barradas, H Roman-Ponce, et al.Theriogenology|April 1, 1991
Transvaginal ultrasound guided follicular aspiration of bovine oocytesM C Pieterse, P L Vos, T A Kruip, et al.Theriogenology|May 1, 1991
Passive immunization of the pig against gonadotropin releasing hormone during the follicular phase of the estrous cycleK L EsbenshadeTheriogenology|May 1, 1991
Comparison of two progestogens during out-of-season breeding in a commercial ewe flockJ P Tritschler, R T Duby, E M Parsons, et al.Theriogenology|May 1, 1991
Behavior of bull spermatozoa in bovine uterine tube epithelial cell co-culture: an in vitro model for studying the cell interactions of reproductionJ E Ellington, A W Padilla, W L Vredenburgh, et al.Theriogenology|July 1, 1991
The effects of administration of gonadotrophins and estrogens on prenatal survival in giltsE Lambert, D H Williams, P B Lynch, et al.Theriogenology|July 1, 1991
Effects of LH and FSH on the maturation of pig oocytes in vitroM Mattioli, M L Bacci, G Galeati, et al.Pageof 1,301