Many opportunities exist to reduce enteric methane (CH 4) and other greenhouse gas
(GHG) emissions per unit of product from ruminant livestock. Research over the past century …

The average productive lifespan is approximately 3 to 4 years in countries with high-
producing dairy cows. This is much shorter than the natural life expectancy of dairy cattle …

Seven years after the introduction of genomic selection in the United States, it is now
possible to evaluate the impact of this technology on the population. Selection differential …

Compost-bedded pack barns (CBP) are receiving increasing attention as a housing system
for dairy cows that has potential to improve animal welfare. This article reviews current …

In its simplest form, longevity is defined as the ability to live a long life. Within the dairy
industry, longevity has been defined and measured in many different ways, and the aim of …

Dairy industries and individual farmers are concerned about mortality and culling of dairy
animals. This is because the timing and fates of animals that exit dairy farms have important …

Dairy cow longevity is an essential economic trait that can supplement the breeding value of
production traits, which is related to the herd time and lifetime milk yield of dairy cows …

A retrospective cohort study was performed with the objective of determining whether the
serum concentrations of nonesterified fatty acids (NEFA), β-hydroxybutyric acid (BHBA), or …

In comparison to monogastric species, ruminant animals are generally considered to be less
susceptible to the adverse effects caused by contamination of feeds with mycotoxins. This is …

Contagious diseases are a threat to animal health and productivity, both nationally and at
the farm level. This makes implementation of biosecurity measures to prevent their …