The present study was conducted on Sahiwal cows maintained at Uttar Pradesh Livestock-
cum-Agriculture Farm, Chak Ganjaria, Lucknow. A total of 1194 records on age at first …

Indiscriminate selection of animals in order to enhance milk production has led to less
attention to other traits important in dairying, viz. reproduction; owing to negative association …

Aims: To study the genetic parameter (heritability) for production and reproduction traits in
Frieswal cattle under field progeny testing programme. Place and Duration of Study: GB …

FACTORS AFFECTING ON AGE AT FIRST CALVING IN CROSSBRED CATTLE MAINTAINED
AT LES QADIRABAD DISTRICT SAHIWAL INTRODUCTION Page 1 Pakistan Journal of Science …

The study sampled 91 Tharparkar cattle reared at Buchwald Livestock Research Station in
Bikaner over a period of 11years, ie from 2006 to 2016. The data was analyzed to evaluate …

A study was conducted on the performance of Tharparkar cattle maintained at Livestock
Research Station (LRS), Beechwal, Bikaner. The performance records of first lactation …

Age at first calving is consider an important trait as it has direct correlation with both
reproductive and productive performance of an animal. This study was conducted to …

A total of 284 performance records belonging to 63 Tharparkar cows in at least three
lactations or more spread over a period of fifteen years (2002 to 2016) were utilized to …

The present study was conducted on first lactation performance records of 820 Sahiwal
cows maintained at NDRI, Karnal spread over 54 years (1962–2015) to study the effect of …

Reproductive performance has been defined as the number of cows that got pregnant
divided by the number of cows that were eligible to get pregnant. It is generally a measure of …