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Efficacy of Intravaginal Progesterone Sponge in Estrus Induction and Fertility Rate in Indigenous Kangayam Cows under Field Conditions

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International Journal of Current Microbiology and Applied Sciences
2020-08
2051-2056
9
Kangayam, Jersey cross, Progesterone sponge and conception rate
;8

The effectiveness of progesterone sponges to treat the anestrus animals and to synchronisation was reported in several previous study using different breeds of cattle and buffalo. The present study was carried out to assess estrus induction potential and conception rate in indigenous Kangayam cows inserted with progesterone impregnated intravaginal sponge. About 10 cows were selected after gynaecological examination and the locally prepared intravaginal progesterone sponges were placed in vagina for 9 days and removed on 10th day. Similarly 10 Jersey cows were selected for the study as control. All the cows were noticed carefully for another 2 to 4 days. The estrus score was calculated based on expressed estrus signs. Sponge retention was 100% in both breeds. Also long duration of hours were taken to induce estrum in Kangayam (62 ± 6.95) than Jersey cows (38±5.66) but available time of estrus signs very low in Kangayam (18±0.26 hrs) than Jersey cows (24± 0.42 hrs). The conception rate in Kangayam breed was 77.78 % and 62.5% in crossbred Jersey cows. This study concluded that Kangayam cows were taken longer duration to induce estrum and good conception rate.

TNV_IJCMAS_2020_9(8)2051-2056

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