1. Anonymous, 19th Livestock Census All India Report, DAHD & F, 2012. Ministry of Animal Husbandry, Dairying and Fisheries, Ministry of Agriculture, Government of India. (www.dahd.nic.in)
2. Anonymous, Food and Agriculture Organization, 2015. Buffalo production and research. (http://www.fao.org/statistics/en)
3. Effect of pour-on alphacypermethrin on feed intake, body condition score, milk yield, pregnancy rates, and calving-to-conception interval in buffaloes;Bifulco;J. Anim. Sci.,2015
4. The Economic Value of Changes in 21-day Pregnancy Rate and What Controls This Value;Cabrera,2011
5. Improving Cow Fertility;Chad Dechow,2008