| Reproductive performance of Nili-Ravi buffaloes after a single injection of GnRH early post partum. | |
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MedLine Citation:
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PMID: 2288008 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Sixty dairy buffaloes (second to fourth lactation) from a large buffalo farm were used to compare the effects of single intramuscular injections of 100 micrograms gonadotrophin releasing hormone (GnRH), 250 micrograms GnRH or saline given on day 14 post partum. The buffaloes had calved at the end of the breeding season (December). Milk samples for progesterone determination were taken at the time of injection and then three times a week either until first insemination or until around day 90 post partum. GnRH given at 14 days post partum resulted in quicker completion of uterine involution, earlier resumption of ovarian activity, shorter intervals between calving and conception and a better first service conception rate in non-suckled dairy buffaloes. Differences between the results obtained by a GnRH dose level of 100 micrograms and 250 micrograms were non-significant. In the post-treatment period cases of prolonged luteal activity were common in all groups of buffaloes. Therefore the sequential administration of GnRH and prostaglandin is suggested for the management of post-partum reproductive activity in problem herds. |
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Authors:
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S Nasir Hussain Shah; A H Willemse; D F Van de Wiel |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Tropical animal health and production Volume: 22 ISSN: 0049-4747 ISO Abbreviation: Trop Anim Health Prod Publication Date: 1990 Nov |
Date Detail:
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Created Date: 1991-03-25 Completed Date: 1991-03-25 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 1277355 Medline TA: Trop Anim Health Prod Country: SCOTLAND |
Other Details:
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Languages: eng Pagination: 239-46 Citation Subset: IM |
Affiliation:
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Veterinary Research Institute, Peshawar, Pakistan. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Buffaloes / physiology* Estrus / drug effects* Female Fertility / drug effects* Gonadotropin-Releasing Hormone / pharmacology* Milk / chemistry Postpartum Period / drug effects Pregnancy Progesterone / analysis Reproduction / drug effects* |
| Chemical | |
Reg. No./Substance:
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33515-09-2/Gonadotropin-Releasing Hormone; 57-83-0/Progesterone |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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