The effect of inbreeding on the quantity and quality of buffalo milk in Khuzestan province

With due attention to increase of population and ahead that necessity of human to use of protein demand body, lead mankind pondered that breeding can provide demand protein of society. The purpose of this study was quantity of inbreeding and it’s changes at recent three decade among of Khuzestan’s buffalo population. The data were collected pedigree of 21,009 heads of buffaloes by the Centre for breeding and improve the country were used during the years 1981 to 2011. The results showed that the number of inbreeding animals at the pedigree was 1200 head. Average inbreeding coefficient of the population and inbred population was estimated 0.8 and 10.77%, respectively. Annual changes in inbreeding was 0.05 which was statistically significant (P <0.01). The negative effects of inbreeding on the quantity and quality of buffalo’s milk would prevent. Rapid rise in inbreeding should be prevented by appropriate management  and application of desired programs to avoid negative effects of inbreeding on quality and quantity of milk production.