Over the past 100 yr, the range of traits considered for genetic selection in dairy cattle
populations has progressed to meet the demands of both industry and society. At the turn of …

Excellent reproductive performance in both males and females is fundamental to profitable
dairy and beef production systems. In this review we undertook a meta-analysis of genetic …

The physiological functions; pathogenesis, clinical signs, diagnosis, treatment and
prevention of copper deficiency disorders; sources; copper content in feeds and forage; …

Genetic selection has increased production levels of livestock species considerably.
However, apart from a favourable increase in production, animals in a population that have …

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 …

The immune system is a life history trait that can be expected to trade off against other life
history traits. Whether or not a trait is considered to be a life history trait has consequences …

Genetic correlations between milk yield and reproductive measures in dairy cows are
unfavourable. This suggests that successful selection for higher yields may have led to a …

This fifth edition book is a comprehensive guide to the behaviour and welfare of domestic
animals. It provides practical information for those involved with farming, pet animals and …

The aim of this study was to investigate the relationship between measures of body
condition score collected from calving until wk 26 of lactation and reproductive measures …

The literature concerning selection for mastitis resistance in dairy cattle is reviewed and the
reasons for including mastitis resistance in dairy cattle breeding programs are described …