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Endometritis impairs luteal development, function, and nitric oxide and ascorbic acid concentrations in buffalo
Megha Pande1, Goutam Kumar Das, Firdous Ahmad Khan
1Animal Reproduction Division, Indian Veterinary Research Institute, Izatnagar, India 243122.
Tropical Animal Health and Production
|October 17, 2012
Summary
Endometritis significantly impairs corpus luteum development and function in buffaloes. This uterine condition reduces luteal weight, progesterone, nitric oxide (NO), and ascorbic acid, impacting buffalo fertility.
Area of Science:
- Reproductive biology
- Veterinary medicine
- Animal science
Background:
- Buffaloes are vital livestock in tropical/subtropical regions.
- Endometritis is a major reproductive issue limiting buffalo fertility.
- Previous studies show endometritis affects follicular development in buffalo.
Purpose of the Study:
- To investigate the impact of endometritis on corpus luteum development and function in buffaloes.
- To assess the concentrations of progesterone, nitric oxide (NO), and ascorbic acid in the corpora lutea of endometritic and non-endometritic buffaloes.
Main Methods:
- Collected reproductive tracts from 90 cyclic buffaloes at an abattoir.
- Classified buffaloes into endometritic (n=36) or non-endometritic (n=54) groups based on uterine examination and cytology.
- Enucleated, weighed, and staged corpora lutea (CL), assaying for progesterone (P4), NO, and ascorbic acid.
Main Results:
- Endometritic buffaloes exhibited significantly lower luteal weight (P < 0.0001).
- Progesterone (P4), nitric oxide (NO), and ascorbic acid concentrations were significantly reduced in corpora lutea of endometritic buffaloes.
- These findings highlight impaired corpus luteum development and function due to endometritis.
Conclusions:
- Endometritis negatively affects corpus luteum development and function in buffalo.
- Reduced luteal concentrations of NO and ascorbic acid in endometritic buffaloes are novel findings.
- Addressing endometritis is crucial for improving buffalo reproductive potential and productivity.
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