The transition period, from 3 wk before to 3 wk after parturition, is critically important to
health, production, and profitability of dairy cows. Most health disorders occur during this …

Dairy cows pass through a period of negative energy balance as they transition from late
gestation to early lactation. Poor adaptation through this period, expressed as excessively …

Gluconeogenesis is a crucial process to support glucose homeostasis when nutritional
supply with glucose is insufficient. Because ingested carbohydrates are efficiently fermented …

Increased liver blood flow (LBF) resulting from elevated feed intake in lactating dairy cows
may increase steroid metabolism. Continuous infusion of bromosulphthalein (BSP; …

Physical and chemical processing of feed ingredients and feeding management strategies
are major instruments of manipulating amount and site of starch digestion in the …

The objective of this review was to explore the relationship between lactational performance
and health. We focused on lactational incidence rates (LIR) of the production diseases that …

Dairy production causes unavoidable losses in respiration, feces, and urine, which may
become an environmental burden as contributors to the “greenhouse” effect (CO 2, CH 4) or …

The efficiency of N utilization in ruminants is typically low (around 25%) and highly variable
(10% to 40%) compared with the higher efficiency of other production animals. The low …

All dairy cows visit a state of negative energy balance (NEB) as they transition from late
gestation to early lactation. This imbalance in energy is the result of both an increase in …

Growing cattle in the United States consume up to 6 kg of starch daily, mainly from corn or
sorghum grain. Total tract apparent digestibility of starch usually ranges from 90 to 100% of …