Document Detail


Fertility of Bunaji (zebu) cows after treatment with PRID with or without PGF2alpha.
MedLine Citation:
PMID:  15449838     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A study was undertaken to determine the oestrus response and fertility rates of zebu cows treated with PRID alone or in combination with PGF2alpha. A total of 184 non-suckled cycling Bunaji cows were allotted randomly to four treatment groups of 46 animals per group as follows: group 1 (PRID-12), PRID was inserted for 12 days; group 2 (PRID+7+PGF2alpha-6, PRID was inserted for 7 days and PGF2alpha was administered intramuscularly 1 day prior to PRID withdrawal; group 3 (PRID-7+PGF2alpha-7, PRID was inserted for 7 days and PGF2alpha was administered intramuscularly on the day of PRID withdrawal; group 4 (2 x PGF2alpha-13, two intramuscular injections of PGF2alpha 13 days apart. At the end of each treatment period, the cows were observed for 7 days for behavioural oestrus and were inseminated 12 h following detection of oestrus. Pregnancy was diagnosed by rectal palpation 30-40 days post-insemination. The respective oestrus response rates were 78.3%, 76.1%, 87.0% and 89.1% for groups 1-4. While the corresponding pregnancy rates were 39.1%, 41.3%, 52.2% and 52.2%, the conception rates were 50.0%, 54.3%, 60.3% and 58.6% for groups 1-4. Although individual variations in progesterone levels were observed, the progesterone profiles were generally typical and normal. The results of the study have confirmed the effectiveness of the four regimes in synchronizing and controlling oestrus and ovulation in Bunaji cows. However, groups 3 and 4 showed some superiority over the other treatments. The results of this study provide feasible options from which clinicians involved in intensive breeding programmes and herd health fertility programmes can choose.
Authors:
A A Voh; D Ogwu; E O Oyedipe
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Tropical animal health and production     Volume:  36     ISSN:  0049-4747     ISO Abbreviation:  Trop Anim Health Prod     Publication Date:  2004 Jul 
Date Detail:
Created Date:  2004-09-28     Completed Date:  2004-11-09     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  1277355     Medline TA:  Trop Anim Health Prod     Country:  United States    
Other Details:
Languages:  eng     Pagination:  483-97     Citation Subset:  IM    
Affiliation:
National Animal Production Research Institute, Ahmadu Bello University, PMB 1096, Shika, Zaria, Nigeria. napri@inet-global.com
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MeSH Terms
Descriptor/Qualifier:
Administration, Intravaginal
Animals
Breeding / methods
Cattle / physiology*
Dinoprost / pharmacology*
Estrus Synchronization / drug effects
Female
Fertility / drug effects*,  physiology
Nigeria
Pregnancy
Pregnancy, Animal / drug effects*
Progesterone / administration & dosage,  blood,  pharmacology*
Radioimmunoassay
Chemical
Reg. No./Substance:
551-11-1/Dinoprost; 57-83-0/Progesterone

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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