Simple Summary Oxidative stress occurs within biological systems when free radicals,
classified as reactive oxygen species and reactive nitrogen species, are in excess. The …

The transition period of dairy cattle is characterized by a number of metabolic, endocrine,
physiologic, and immune adaptations, including the occurrence of negative energy balance …

The present review focuses on methyl donor metabolism and nutrition in the periparturient
and lactating dairy cow. Methyl donors are involved in one-carbon metabolism, which …

Simple Summary Heat stress (HS) is a complex phenomenon which triggers a variety of
animal response mechanisms that have negative impact on livestock welfare and their …

The periparturient period is the most critical phase in the productive cycle of dairy cows and
is characterized by impairment of the immune system. Our objective was to evaluate the …

The periparturient period is one of the most challenging periods in dairy cows and
encompasses the 3 wk prior to and 3 wk after parturition. The nutrient requirements of dairy …

Dairy cattle undergo dramatic metabolic, endocrine, physiologic and immune changes
during the peripartal period largely due to combined increases in energy requirements for …

Impaired fertility during periods of heat stress is the culmination of numerous physiological
responses to heat stress, ranging from reduced estrus expression and altered follicular …

Dairy calf nutrition is traditionally one of the most overlooked aspects of dairy management,
despite its large effect on the efficiency and profitability of dairy operations. Unfortunately …

Objectives were to evaluate the effect of feeding rumen-protected methionine (RPM) in pre-
and postpartum total mix ration (TMR) on lactation performance and plasma AA …