Reproductive management strategies to improve the fertility of cows with a suboptimal response to resynchronization of ovulation

The objective was to compare the reproductive performance of lactating Holstein cows managed with a strategy that included the Ovsynch protocol with exogenous progesterone (P4) supplementation or presynchronization with GnRH 7d before Ovsynch to treat cows without a corpus luteum (CL), a CL

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Bibliographic Details
Published in:Journal of dairy science 2016-04, Vol.99 (4), p.2967-2978
Main Authors: Giordano, J.O., Thomas, M.J., Catucuamba, G., Curler, M.D., Masello, M., Stangaferro, M.L., Wijma, R.
Format: Article
Language:English
Subjects:
Animals
Cattle - physiology
corpus luteum
Corpus Luteum - drug effects
dairy cow
Dairying - methods
Dinoprost - administration & dosage
Dinoprost - pharmacology
Estrus Synchronization - physiology
Female
Fertility - physiology
Gonadotropin-Releasing Hormone - administration & dosage
Gonadotropin-Releasing Hormone - pharmacology
Injections - veterinary
Insemination, Artificial - veterinary
Lactation - physiology
management strategy
Ovarian Follicle - drug effects
Ovulation - drug effects
Ovulation - physiology
Pregnancy
Progesterone - blood
Progesterone - pharmacology
Random Allocation
resynchronization
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Description
Summary:The objective was to compare the reproductive performance of lactating Holstein cows managed with a strategy that included the Ovsynch protocol with exogenous progesterone (P4) supplementation or presynchronization with GnRH 7d before Ovsynch to treat cows without a corpus luteum (CL), a CL
ISSN:0022-0302
1525-3198
DOI:10.3168/jds.2015-10223