Risk factors affecting the culling of Iranian Holstein dairy cows

Increasing roughage: concentrate in the diet of cows increased milk fat production, confirming results of other studies (Loor et al ., 2005) in which it was observed that

chopped sugarcane-based diets containing citrus pulp improved the nutritional quality of milk fat from Holstein x Gyr dairy cows as a result of the increased content of

taxa in prepartum and postpartum samples were associated with increased or reduced average 394. milk production, milk fat percent, and milk protein percent for the first 150

The basic traits of milk production and somatic cells count (SCC) in evaluated breeding herds of dairy cows Slovak Simmental breed are presented in Table 1.. Similar tendency

Table 4 Effect of breed, class of somatic cell counts, farm on cortisol concentration in milk and plasma (ln of pg/ml) of dairy cows in study 1.. FA to FD farm A to farm D, se

Feeding linseed products to dairy cows reduced medium chain saturated fatty acids and increased the level of long chain fatty acids in milk fat while

Adjustment vari- ables included: herd, year, parity, calving period, calving to service interval, herd size, proportion of North American Holstein-Friesian genes, peak milk yield,

Productive and reproductive traits of different dairy cows based on farm type, genotype and season.. Average Milk