Study of effective factors on longevity and its relationships with productive traits of buffaloes in khuzestan province
Subject Areas : Large Animal Diseases
Keywords: productive traits, Longevity, : Khuzestan Buffalo, GLM procedure,
Abstract :
The present investigation was undertaken on the data of Khuzestan buffaloes collected by Animal production improvement department of Khuzestan province.These records of Khuzestan buffaloes distributed over 10 years (1379-1389) that were analyzed to study environmental effects. The results showed that herd, season and year of calving had significant influence on milk and fat yield. Only herd effect on longevity was significant. The overall means for lactation milk yield, fat yield, protein yield, lactation length, calving interval, fat percent and age at the first calving were 1613±868 Kg, 98±58, 60±34, 198±86 days, 544±158 days, 6.96±1.76%, 1738±1202 days, respectively
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