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RISShort communication: Hair cortisol concentrations in Holstein Friesian and crossbreed F1 heifers
Dynamics of culling for Jersey, Holstein, and Jersey × Holstein crossbred cows in large multibreed dairy herds
Association of SNP in the ExonII of Leptin Gene with Milk and Reproduction Traits in Holstein Iranian Cows
The objective of this study was to consider the genetic variations in the exonII region of the leptin gene for the Iranian Holstein cows. Association between leptin genotype with milk production and reproductive traits were analyzed by a univariate...
comparison between two climatologically environment on milk yield and composition of iranian holstein cows
In order to investigate ...
Response of Holstein Dairy Cows to Different High Content Pectin Sources
lactating Holstein cows (60 ± 23 days
postpartum, weighing 530 ± 60 kg) were assigned into a duplicated 4 × 4 Latin square design.
The treatments were include of 1)10% barely grain, 2)10% sugar beet pulp, 3)10% wheat bran
and 4) 10...
Calf birth weight, gestation length, calving ease, and neonatal calf mortality in Holstein, Jersey, and crossbred cows in a pasture system
Short communication: Factors affecting hair cortisol concentrations in lactating dairy cows
Factors affecting hair cortisol concentrations in lactating dairy cows
lactating black and white Holstein cows (n = 18). Furthermore, we aimed to measure the hair growth rates at different body locations (n = 12) and test hair cortisol levels when resampled over short intervals (n = 37).Both black- and white-colored hair...
Reasons for culling of Holstein dairy cows in Neyshabur area in northeastern Iran
This study was designed to determine the culling rates of 23 Holstein dairy herds (with an average size of 180 cows per herd) in Neyshabur area in northeastern Iran over a period of three years from 2001 to 2003. The average annual culling rate...