Original Article

Secondary Sex Ratio in Gir Cattle and Assessment of Risk Factors

Year: 2021 | Month: February | Volume 11 | Issue 1

References (27)

Banik, S. and Naskar, S. 2006. Effect of different non-genetic factors on replacement rate and its components in Sahiwal cattle. Indian J. Anim. Sci., 76(4): 343-45.

View at Google Scholar

Berry, D.P. and Cromie, A.R. 2007. Artificial insemination increases the probability of a male calf in dairy and beef cattle. Theriogenology, 67(2): 346-352.

View at Google Scholar

Berry, D.P., Kearney, J.F. and Roche, J.R. 2011. Evidence of genetic and maternal effects on secondary sex ratio in cattle. Theriogenology, 75(6): 1039-1044.

View at Google Scholar

Del Rio, N.S., Stewart, S., Rapnicki, P., Chang, Y.M. and Fricke, P.M. 2007. An observational analysis of twin births, calf sex ratio, and calf mortality in Holstein dairy cattle. J. Dairy Sci., 90(3): 1255-1264.

View at Google Scholar

Delesa, E.K., Yohannes, A., Alemayehu, M., Samuel, T. and Yehualaeshet, T. 2014. Calves’ sex ratio in naturally and artificially bred cattle in central Ethiopia. Theriogenology, 82(3): 433-439.

View at Google Scholar

Goshu, G. and Singh, H. 2013. Genetic and non-genetic parameters of replacement rate component traits in Holstein Friesian cattle. Springer Plus, 2(1): 581.

View at Google Scholar

Hayr, M.K., Hess, A.S. and Garrick, D.J. 2015. Impact of including calf gender in models to predict breeding values for lactation yields in dairy cattle. Anim. Industry Report, 661(1): 1-2.

View at Google Scholar

Holland, M.D. and Odde, K.G. 1992. Factors affecting calf birth weight: a review. Theriogenology, 38(5): 769-798.

View at Google Scholar

Hossein-Zadeh, N.G. 2012. Factors affecting secondary sex ratio in Iranian Holsteins. Theriogenology, 77(1): 214-219.

View at Google Scholar

ICAR. 2013. Nutrient requirements of cattle and buffaloes. New Delhi, India: ICAR.

View at Google Scholar

Kaygisiz, A. and Vanli, Y. 2008. Factor influencing sex ration in Brown Swiss cattle. Indian J. Anim. Sci., 78(6): 656-657.

View at Google Scholar

Kaygisiz, A., Vanli, Y. and Cakmak, L. 2003. Estimates of genetic and phenotypic parameters of sex ratio in Holstein cattle. In GAP III. Agricultural Congress, Sanliurfa, Turkey.

View at Google Scholar

Khan, F.A., Sacchan, S.S.D., Singh, M.P., Patoo, R.A., Prasad, S. and Gupta, H.P. 2013. Trivers–Willard hypothesis revisited: Does heat stress peri–insemination alter secondary sex ratio in crossbred dairy cattle? Asian Pac. J. Reprod., 2(3): 218- 219.

View at Google Scholar

Lathwal, S.S. and Kumar, A. 1994. Genetics of replacement rate and its components in Red Sindhi herd. Indian Vet. J., 71(9): 892-896.

View at Google Scholar

Livestock Census. 2020. All India Report. Ministry of Agriculture, Department of Animal Husbandry, Dairying and Fisheries, Krishibhavan, New Delhi, India.

View at Google Scholar

Manzi, M., Junga, J.O., Ebong, C. and Mosi, R.O. 2012. Factors affecting pre and post-weaning growth of six cattle breed groups at Songa Research station in Rwanda. Livest. Res. Rural Dev., 24(4): 68-70.

View at Google Scholar

Mukherjee, K., Tomar, S.S. and Singh, R.B. 2000. Variability in sex ratio in Karan Swiss cattle. Indian J. Anim. Res., 34(1): 24-28.

View at Google Scholar

Patbandha, T.K., Sabapara, G.P., Savaliya, B.D., Dash, S.K., Parikh, S.S. and Ali, M. 2020. Physical characteristics and production performance of Gir cattle in India. Int. J. Livest. Res., 10(8): 1-11.

View at Google Scholar

Pursley, J.R., Silcox, R.W. and Wiltbank, M.C. 1998. Effect of time of artificial insemination on pregnancy rates, calving rates, pregnancy loss and gender ratio after synchronization of ovulation in lactating dairy cows. J. Dairy Sci., 81(8): 2139-2144.

View at Google Scholar

Rezende, E.V., Reis, I.J., Campos, C.C. and Santos, R.M. 2020. Influence of gestation length, seasonality, and calf sex on birth weight and placental retention in crossbred dairy cows. Cienc. Anim. Brasileira, 21.

View at Google Scholar

Roche, J.R., Lee, J.M. and Berry, D.P. 2006. Climatic factors and secondary sex ratio in dairy cows. J. Dairy Sci., 89(8): 3221-3227.

View at Google Scholar

Sawa, A., Jankowska, M. and Glowska, M. 2014. Effect of some factors on sex of the calf born, and of sex of the calf on performance of dairy cows. Acta Sci. Pol. Zootech., 13(3): 75-84.

View at Google Scholar

Seidel, G.E. 2003. Economics of selecting for sex: the most important genetic trait. Theriogenology, 59(2): 585-598.

View at Google Scholar

Silva, H.M., Wilcox, C.J., Thatcher, W.W., Becker, R.B. and Morse, D. 1992. Factors affecting days open, gestation length, and calving interval in Florida dairy cattle. J. Dairy Sci., 75(1): 288-293.

View at Google Scholar

Singh, B., Kumar, D., Singh, H., Prasad, R.B. and Singh, J.B. 2004. Genetic studies on sex ratio in dairy cattle. Indian J. Anim. Sci., 74(9): 986-988.

View at Google Scholar

Trivers, R.L. and Willard, D.E. 1973. Natural selection of parental ability to vary the sex ratio of offspring. Science, 179(4068): 90-92.

View at Google Scholar

Yilmaz, I., Eyduran, E. and Kaygisiz, A. 2010. Determination of some environmental factors related to sex ratio of Brown Swiss calves. J. Anim. Plant Sci., 20(3): 164-169.

View at Google Scholar

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