In Animals as Biotechnology sociologist Richard Twine places the question of human/animal
relations at the heart of sustainability and climate change debates. The book is shaped by …

Breeding objectives always involve consideration of multiple traits, even in situations where
output of a single trait is dominant. We review literature dealing with formal definition of …

Mastitis is a problem in the sheep industry, and its incidence varies widely with how it is
recorded, the breed of sheep and the farm. Virtually all the published information about the …

With financial pressures on farm labour, development of increasingly sophisticated and
informed consumer attitudes and decoupling of payments to farmers following revision of the …

The objectives of this study were 1) to estimate the heritability of lamb survival and growth in
the Scottish Blackface breed; 2) to examine the relationship between lamb survival and live …

Ruminant livestock are raised under diverse cultural and environmental production systems
around the globe. Ruminant livestock can play a critical role in food security by supplying …

The economic value of a trait in a breeding objective can be defined as the value of a unit
change in an individual trait, while keeping all other traits constant and are widely used in …

Breeding objectives for meat sheep in Ireland have been defined and used in the
development of selection sub-indices to provide commercial producers with an economic …

A deterministic bio-economic model was developed to support breeding of indigenous
chicken and used to evaluate biological and economic variables that characterise …

The objective of this study was to define breeding objectives and consequently determine
optimum crossbreeding levels for goats in the smallholder production systems. Profits and …