1. Official methods of analysis 15th edition,1990
2. Acclimatization of calves to hot dry environment;Bianca;Journal of Agricultural Science,1959
3. Brown-Brandl TM, Eigenberg RA, Nienaber JA and Kachman SD 2000. Acute heat stress effects on total heat production, respiration rate, and core body temperature in growing finishing swine. In Transactions of the American Society of Agricultural Engineers. The American Society of Agricultural Engineers, Milwaukee, Wisconsin.
4. Thermoregulatory profile of a newer genetic line of pig;Brown-Brandl;Livestock Production Science,2001
5. WH Close 1981. The climatic requirements of the pig. In Environmental aspects of housing for animal production (ed. JA Clark), pp. 149–166. Butterworths, London