Document Detail


The effect of body condition on ovarian activity of free ranging tropical jennies (Equus asinus).
MedLine Citation:
PMID:  16411899     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Serial ultrasonography was performed on seven jennies to study the effect of seasonally fluctuating body condition on ovarian activity during the dry, short rainy and long rainy seasons. Kendall Tau correlations and differences of least square mean values were compared. A distinct seasonal pattern was observed both in body condition and ovarian activity. The mean (+/-SD) Body Condition Score (BCS) was lowest during the dry season 2.6 +/- 0.45 when compared with 3.5 +/- 0.52 and 3.9 +/- 0.58 during the short and long rainy seasons, respectively. The mean (+/-SD) number of total follicles was also proportionally low 7.3 +/- 1.6 during the dry season compared with 9.6 +/- 2.4 and 11.3 +/- 3.3 found during the short and the long rainy seasons, respectively. The BCS was positively correlated to the total number of follicles and the diameter of the largest follicle during all seasons. Periods of increasing BCS and transition between seasons with both increasing and decreasing body conditions were strongly correlated to the number and size of ovarian follicles. Seasonal fluctuation in the body condition was found to be the result of variation in feed resource and ovarian activity was also closely following this seasonal pattern. The improvement in body condition has generally, a positive impact on emergence of small growing follicles there by having influence on the total count of ovarian follicles.
Authors:
A Lemma; M Bekana; H J Schwartz; T Hildebrandt
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of veterinary medicine. A, Physiology, pathology, clinical medicine     Volume:  53     ISSN:  0931-184X     ISO Abbreviation:  J Vet Med A Physiol Pathol Clin Med     Publication Date:  2006 Feb 
Date Detail:
Created Date:  2006-01-17     Completed Date:  2006-05-18     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  100955112     Medline TA:  J Vet Med A Physiol Pathol Clin Med     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  1-4     Citation Subset:  IM    
Affiliation:
Faculty of Veterinary Medicine, Addis Ababa University, PO Box 34, Debre Zeit, Ethiopia. lemma_alex@yahoo.com
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MeSH Terms
Descriptor/Qualifier:
Animals
Animals, Wild
Body Constitution / physiology*
Equidae / physiology*
Female
Ovarian Follicle / physiology,  ultrasonography
Ovary / physiology*,  ultrasonography*
Seasons

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


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