Simple Summary Metabolic disorders are a key problem in the transition period of dairy
cows and often appear before the onset of further health problems. Problems derive from …

From 1917 to 2017, dairy grazing systems have evolved from uncontrolled grazing of
unimproved pastures by dual-purpose dairy-beef breeds to an intensive system with a high …

Relationships among milk production, body condition score (BCS), body weight (BW), and
reproduction were studied using logistic regression on data from 6433 spring-calving …

In temperate regions of Europe where grass grows for most of the year, grazed pasture is the
lowest cost feed for milk production. Grazed pasture can make a contribution to dairy cow …

Trends in average days open and services per conception from 1976 to 1999 were
examined in 532 Holstein and 29 Jersey herds from 10 Southeastern states. Three-year …

Common health problems observed during peripartum include milk fever, mastitis, fatty liver
disease, ketosis, dystocia, retained placenta, metritis, hypomagnesaemia and abomasal …

In pasture-based dairy systems, supplementary feeds are used to increase dry matter intake
and milk production. Historically, supplementation involved the provision of the same …

Selection for a higher milk yield increases metabolic load via a higher yield per se and/or via
physiological processes that facilitate milk yield, and it is difficult to differentiate between …

The data presented in this review show that past selection for increased milk production in
Ireland over a 14-year period (1990 to 2003) resulted in increases in milk production per …

Interactions between genotype and environment are becoming increasingly important as
cattle genotypes are being managed in a diverse range of environments worldwide. The …