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Measuring foot-pad lesions in commercial broiler houses. Some aspects of methodology
For monitoring purposes there is a need for a protocol to measure foot-pad dermatitis (FPD) on-farm. Therefore, we studied the effect of number of birds sampled, number of locations sampled and sampling location in a broiler house on the accuracy of measurement, in order to construct a protocol that can be applied in practice. Samples […]
Automated monitoring of behavioural-based animal welfare indicators
On-farm scoring of behavioural indicators of animal welfare is challenging but the increasing availability of low cost technology now makes automated monitoring of animal behaviour feasible. We discuss some of the issues with using automated methods to measure animal behaviour within the context of assessing animal welfare. Automated feeders (eg for dairy calves) can help […]
Developing measures to audit welfare of cattle and pigs at slaughter
Since 1999, animal welfare auditing programmes that utilise five numerically scored core criteria have been used successfully by major restaurant chains to monitor animal welfare in slaughter plants. They had to achieve specific numerical scores in order to remain on the approved supplier list. The five numerically scored criteria (critical control points) are: i) Percentage […]
Responses of wild reindeer (Rangifer tarandus tarandus) when provoked by a snow-kiter or skier: A model approach
We compared reindeer (Rangifer tarandus tarandus) fright responses towards a directly approaching snow-kiter or skier in Norefjell-Reinsjøfjell, Norway during winter in 2006–2007. Fright response distances sampled in the field were significantly longer when approached by a snow-kiter than by a skier. A simulation model predicts a different outcome of daytime disturbances for reindeer from free […]
Foraging opportunity: a crucial criterion for horse welfare?
This study aimed at determining the effect of the increase of foraging opportunities on the behaviour and welfare of breeding mares housed in individual boxes but allowed outside 6 h a day in a bare paddock. One hundred Arab breeding mares were divided into two groups of 50 according to the treatment and allowed outside […]
Role of early experience in the development of preference for low-quality food in sheep
Domestic ruminant selectivity induces floristic changes in pasturelands, risking sustainability and limiting the subsequent availability of susceptible plant species. Development of preferences for species of lower nutritional quality may help to overcome those problems. In this study, we tested the hypothesis that early experience of sheep with a low-quality food (LQF) in a nutritional enriched […]
Effects of weight, temperature and behaviour on the circadian rhythm of salivary cortisol in growing pigs
In farm animals, salivary cortisol has become a widely used parameter for measuring stress responses. However, only few studies have dealt with basal levels of concentration of cortisol in pigs and its circadian rhythm. The aim of this study was to examine the effects of ambient temperature and thermoregulatory behaviour on the circadian rhythm of […]
Assessing chimpanzee personality and subjective well-being in Japan
We tested whether the cultural background of raters influenced ratings of chimpanzee personality. Our study involved comparing personality and subjective well-being ratings of 146 chimpanzees in Japan that were housed in zoos, research institutes, and a retirement sanctuary to ratings of chimpanzees in US and Australian zoos. Personality ratings were made on a translated and […]
Sexing of mid-incubation avian embryos as a management tool for zoological breeding programs
Skewed sex ratios in zoo breeding programs may require housing single birds of an overrepresented gender, increasing demands on limited resources that could otherwise be diverted to breeding pairs or other important species. The ability to selectively incubate and hatch eggs of a desired sex represents a significant improvement in the long-term management of avian […]
Sleeping Tree Selection of Cao Vit Gibbon (Nomascus nasutus) Living in Degraded Karst Forest in Bangliang, Jingxi, China
We studied the sleep-related behavior of two Cao Vit gibbon (Nomascus nasutus) groups in Bangliang Nature Reserve in Jingxi County, China between January 2008 and December 2009 to test four hypotheses related to sleeping tree selection (predation avoidance, thermoregulation, food access, and range defense). Gibbons entered sleeping trees 88 ± SD 37 min before sunset […]