1. 20th Livestock Census., 2019. Department of Animal Husbandry and Dairying. Ministry of Fisheries, Animal Husbandry and Dairying. Government of India.
2. Aguilar, I., Misztal, I. and Tsuruta, S., 2009. Genetic components of heat stress for dairy cattle with multiple lactations. Journal of Dairy Science. 92 (11), 5702-5711.
3. Atagi, Y., Onogi, A., Osawa, T., Yasumori, T., Adachi, K., Yamaguchi, S. and Iwata, H., 2018. Effect of heat stress on production traits of Holstein cattle in Japan: Parameter estimation using test day records of first parity and genome wide markers. Interbull Bulletin 53, 9–16.
4. BAHS (Basic Animal Husbandry Statistics)., 2020. Department of Animal Husbandry Dairying and Fisheries, Ministry of Agriculture, Government of India. http://www.dahd.nic.in.
5. Becker, W.A.,1975. Manual of quantitative genetics. 3rd Edn. Pub. Program in Genetics,Washington State University, Washington State University, Washington, USA.