Andrew Janczak

Introduction:Automatically collected feeder data may be used to predict tail biting in finisher pigs.Materials and Methods:Pen-level feeding behaviour and growth were investigated in relation to injurious tail biting (ITB), defined as visible wounds, from 10 weeks before to 4 weeks after the first ITB case in the pen. The data set included 36 pens of 10-12 intact boars between 43 and 148 kg, with ...

Appropriate rearing is essential for ensuring the welfare and productivity of laying hens. Early experience has the potential to affect the development of fearfulness. This study tested whether rearing in aviaries, as opposed to cages, reduces the fearfulness of laying hens after transfer to furnished cages. Fear responses were recorded as avoidance of a novel object in the home cage. Lohmann Sele ...

INTRODUCTIONAnimals must be able to perceive, store, and retrieve information in order to navigate their environment and maximize the ratio of benefits to costs. Birds should have good spatial cognition, allowing them to remember specific routes and landmarks so as to optimally utilize resources such as food, water, perches, and nests. They also need to use their knowledge of routes and landmarks ...

IntroductionFollowing the EU Council Directive ban on conventional ‘battery’ cages (99/74/EC) which came into full effect in January 2012 [1], concerns for the welfare implications of certain rearing and production system combinations have arisen. Previous studies indicate that rearing conditions affect the welfare of birds in the producing stage. Nicol et al. [2] found that previous e ...