Document Detail


Polymorphonuclear neutrophil profile in genital discharge vis-à-vis pregnancy outcome in crossbred cows: Effect of varying cow fertility and insemination from different bulls.
MedLine Citation:
PMID:  24703367     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The study investigated the relationship between count and/or viability percentage of polymorphonuclear neutrophil(s) (PMN) in genital discharge and pregnancy outcome during 180 estrous periods in 163 normal and repeat breeder. The relationship was also evaluated as a response to AI by three of the most frequently used bulls. The estrous periods leading to pregnancy in the normal cows were considered fertile (FE; n=66), whereas others with pregnancy failure were considered non-fertile in the remaining normal (NFE; n=86) and the entire group of repeat breeder cows (RB; n=28) cows. Another set of reproductively healthy cows, not inseminated, were also studied (C; n=10). The PMN characteristics were investigated in 3μl fraction of cervical discharge, aspirated initially at mid-estrus in C/pre-AI in the inseminated cows and subsequently 18 to 24h later. The first sample did not reveal PMN in all the cows. However, there was a variable PMN response in the second sample. The PMN count of 9.3±1.9 in the C group was least and significantly less than the FE and NFE groups. A count of 90.9±8.4 in the FE group was greater (P<0.01) than 60.9±5.1 in the NFE and 36.7±5.2 in the RB group. The PMN viability percentage among the four groups was similar (range: 61.3±6.5% to 70.1±6.4%). The average PMN count in response to AI with all the three bulls, JY-426 (47 inseminations), JY-450 (23 inseminations) and HF-5 (33 inseminations), was less in the NFE than the FE group, the differences being marked in NFE compared with FE for JY-450 (51.8±12.4 compared with 88.0±17.4; P=0.10) and HF-5 (38.5±10.1 compared with 92.9±26.5; P<0.05). It is concluded that a greater PMN count post-AI could favor pregnancy outcome. Further, PMN migration is likely to be controlled by maternal factors rather than semen characteristics.
Authors:
Pankaj Sood; Bhavna
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-3-22
Journal Detail:
Title:  Animal reproduction science     Volume:  -     ISSN:  1873-2232     ISO Abbreviation:  Anim. Reprod. Sci.     Publication Date:  2014 Mar 
Date Detail:
Created Date:  2014-4-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7807205     Medline TA:  Anim Reprod Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier B.V. All rights reserved.
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