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Abstract

The objective of this study was to clarify the effects of a second protocol of ovulation synchronisation starting on day 26 after timed artificial insemination on ovarian profile and days open in dairy cows diagnosed as nonpregnant. Ninety-four Holstein-Friesian cows received intramuscular...

Author(s)
Osawa, T.; Honjou, S.; Nitta, H.; Uchiza, M.; Tameoka, N.; Moro, Y.; Izaike, Y.
Publisher
Society for Reproduction and Development (, Tokyo, Japan
Citation
Journal of Reproduction and Development, 2009, 55, 2, pp 163-169
Abstract

The objectives were to determine the effect of ovsynch plus postbreeding infusion treatment combined with fixed time AI on pregnancy rate in healthy Holstein cows. A total of 36 cows ageing between three and eight were used. Cows were randomly assigned to one of three treatment groups. Cows (n=12)...

Author(s)
Yİldİz, A.
Publisher
Medwell Online, Faisalabad, Pakistan
Citation
Journal of Animal and Veterinary Advances, 2010, 9, 9, pp 1345-1350
Abstract

The objective of the study was to determine the efficiency of ovsynch (OV) versus presynch-ovsynch (P-OV) protocol for synchronization of ovulation and timed artificial insemination (TAI) in female buffaloes. The OV group (n=40) received gonadotrophin-releasing hormone (GnRH) on day 0 (random day...

Author(s)
Oropeza, A. J.; Rojas, Á. F.; Velazquez, M. A.; Muro, J. D.; Márquez, Y. C.; Vilanova, L. T.
Publisher
Springer, Amsterdam, The Netherlands
Citation
Tropical Animal Health and Production, 2010, 42, 6, pp 1149-1154
Abstract

The experiment was conducted to investigate the effect of different doses of Follicle Stimulating Hormone (FSH) using in superovulation program on numbers of corpora lutea, total ova/embryos and transferable embryos in Kamphaeng Saen beef cattle. Cyclic cows (n=4) and heifers (n=4) of Kamphaeng...

Author(s)
Nilchuen, P.; Chomchai, S.; Rattanatabtimtong, S.
Publisher
Medwell Online, Faisalabad, Pakistan
Citation
Journal of Animal and Veterinary Advances, 2012, 11, 5, pp 676-680
Abstract

The study was aimed at induction/synchronization of estrus in postpartum anestrous Kankrej cows of zebu cattle maintained at an organized farm. The study included use of different hormone protocols, viz., Ovsynch, CIDR (controlled internal drug release), Ovsynch plus CIDR, and Heatsynch with...

Author(s)
Bhoraniya, H. L.; Dhami, A. J.; Mehrajuddin Naikoo; Parmar, B. C.; Sarvaiya, N. P.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2012, 44, 6, pp 1191-1197
Abstract

Poor estrus expression and the difficulty encountered in predicting the time of ovulation compromise the reproductive efficiency of Murrah buffalo cows. Synchronization of ovulation and timed artificial insemination are able to precisely control the time of ovulation and thus avoid the need for...

Author(s)
Mirmahmoudi, R.; Souri, M.; Prakash, B. S.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2014, 82, 7, pp 1012-1020

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