Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"post AI"”.
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Evaluation of 72 h Cosynch and 5 or 7 d post-AI gonadotropin releasing hormone on first service pregnancy rate in lactating dairy cows
… conducted to evaluate the effects of 5 or 7 d post-AI GnRH on first service PR, plasma P4, and CL volume in lactating dairy cows synchronized using 72 h Cosynch. All cows were synchronized and randomly assigned to one of three treatment groups: Control – no additional GnRH; 5 d – GnRH 5 d after …
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Characterization of pregnancy-associated glycoproteins and progesterone as a predictor of twins and conceptus loss in high-risk pregnancy Holstein cows
… that compromises reproductive performance in dairy operations. Despite the high oocyte fertilization rate in dairy cows, only 28 % of those maintain a pregnancy to term. Pregnancy loss is estimated to cost U$600.00 per case. Identification of cows losing the pregnancy as early as possible can …
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Fertility after timed artific[i]al insemination in response to a Controlled Internal Drug Release (CIDR) insert in lactating dairy cows
Lactating dairy cows from 2 Kansas farms were used to determine the effectiveness of exogenous progesterone in the form of an intravaginal insert (controlled internal drug release; CIDR) in conjunction with an ovulation-synchronization protocol. Cows were enrolled in a Presynch + Ovsynch protocol …
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Effects of supplementing methionine hydroxy analog on beef cow performance, milk production, and reproduction
… the effects of late gestation and early postpartum supplementation of methionine hydroxy analog (MFP; Novus International, Inc., St. Charles, MO, USA) on cow BW, BCS, milk production, milk composition, reproduction, and calf performance until weaning in a fall-calving, coolseason grazing …
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Effects of prepartum supplement level and age of weaning on dam performance and developmental programming of male progeny
… levels (supplement = 70% dried distiller’s grains plus solubles and 30% soybean hulls; fed 103 ± 11 d prepartum to 2 ± 11 d postpartum): no supplement (NS), 2.16 kg/d∙hd-1 (LS), or 8.61 kg/d∙hd-1 (HS), and 2 ages of weaning: 78 ± 11 d of age (EW) or 186 ± 11 d of age (NW). Cow BW was greater …