author(s)
Ravi Ranjan, Dr. Rampal Singh, Dr. Saravjeet Herbert, Anuj Kumar Shukla and Vikash Kumar

abstract
The present study was conducted on “Influrnce of non-genetic factors on lactation period and dry period in Gangatiri cattle breed at organized farm, Arajiline, Varanasi”. The data were collected from the history sheets of 40 cow maintained in State Livestock Cum Agricultural Farm Arajiline, Varanasi, for the period from 2003 to 2010 to determine the effect of period of birth and effect of season of birth on lactation period and dry period. There is no significant effect of period of birth on lactation period and dry period. Similarly non-significant effect of season of birth on lactation period and dry period.