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EFFECT OF FSH PRE-STIMULATION ON OOCYTE RECOVERY IN ONGOLE (Bos indicus) COWS

Indian Agricultural Research Journals

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Title EFFECT OF FSH PRE-STIMULATION ON OOCYTE RECOVERY IN ONGOLE (Bos indicus) COWS
 
Creator T. Sreemannarayana
M. Mutha rao
N.R. Srikanth
S.P. Kurati
 
Subject Bos indicus
OPU
FSH pre-treatment
oocytes
Ongole
 
Description The present study was aimed to assess the efficacy of oocyte retrieval through transvaginal ovum pick-up (OPU) in Ongole (Bos indicus) cows. Cows (n=18) were divided in to two equal groups; cows in group 1 cows were subjected to two OPU sessions (OPU1 and OPU2) at 96 h interval irrespective of the stage of estrus cycle. Cows of group 2 were subjected to FSH pre-stimulation before OPU 1 followed by OPU 2, 96h later. Thus, a total of 36 OPU sessions were performed on 18 animals.  The number of follicles available for aspiration (17.89 ± 1.78 vs 27.06 ± 1.75), number of medium (4 – < 8 mm; 4.11 ± 0.69 vs 16.00 ± 1.76) and large follicles (≥ 8mm; 1.06 ± 0.23 vs 6.33 ± 0.79), follicles aspirated (11.95 ± 1.42 vs 17.45 ± 2.07), COCs recovered (5.72 ± 0.78 vs 10.06 ± 1.78), and viable COCs collected (4.23 ± 0.67vs 8.34 ± 1.79) were significantly higher in group 2 than in group 1.The mean number of follicles aspirated, the mean oocyte recovery and the viable oocytes collected were significantly higher at OPU 1 in both the groups than at OPU 2. It was concluded that pre-treatment with FSH increased the OPU efficiency in terms of oocyte yield and viable oocytes collected. OPU 2 performed at shorter interval after OPU 1 is not advantageous due to limited number of follicles available for aspiration at OPU 2 and consequently, reduced oocyte recovery.
 
Publisher Tamil Nadu Veterinary and Animal Sciences University
 
Date 2024-10-09
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/IJVASR/article/view/157986
10.56093/ijvasr.v53i4.157986
 
Source Indian Journal of Veterinary and Animal Sciences Research; Vol. 53 No. 4 (2024): IJVASR July - August 2024; 22-31
2347-2774
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/IJVASR/article/view/157986/56359
 
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