This study was conducted to investigate the effects of the density of cage stocking on laying performance, chronic stress. and mortality of hens and to propose a guideline for stocking density in conventional cages. A total of 240 Boris Brown hens, at 17 weeks of age, were randomly allotted to the...

This experiment investigated the cracked egg ratio and dirty egg ratio in conventional, enrichable, and enriched cages, with 1250 Boris Brawn hens from 24 to 64 weeks of age in an experimental windowless house at Gifu University. At the same time, the influence on the cracked egg ratio and the...

The effect of the stall layout on utilization of the feeding place and stall by cows in free-stall housing was investigated. Behaviour of the cows was observed continuously for 24 h on 2 commercial farms with free-stall housing. Two rows of stalls were used in each layout. In Housing-A, the stalls...

There have been requests in recent years to build a all-in-all-out (AIAO) stable pig flow. The purpose of this study was to construct a stable pig flow with AIAO using a judgment tool for multiple pig farms with different breeding styles. The pigflow judgment tool was developed using Microsoft...

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Wild chimpanzees possess various behavioral skills that allow them to respond flexibly and so adapt to complex environments. However, we lack quantitative data on the number of captive chimpanzees housed in zoos within Japan, with such behavioral skills. In this study, we conducted a survey of...

Twelve 22-week-old White Cornish cocks that had been reared on litter floors were housed individually in conventional cages without (C) or with perches (P), or in perched cages 1.7 times larger than C (PW) for 36 weeks. C and P cages were 605 mm³ whereas PW cages were 605 mm wide, 705 mm high and...

Resting behaviour in 2 types of cow housing was compared at Muramatsu farm, Niigata University, Japan. The behaviour of 7 Holstein cows was observed in either loose housing, which permitted free association, or stanchion stalls, which restricted their behaviour. One h between milkings, resting ...

Shelter medicine is an emerging veterinary medicine which involves animal shelters. It is originally defined as herd medicine for companion animals. The goal of shelter medicine is to not only improve animal welfare for homeless animals in the community, but also to improve public health through...

We aimed to investigate the surveillance system and control measures against highly pathogenic avian influenza (HPAI) in captive and rescued wild birds. We administered questionnaires and an interview survey to employees of zoos, aquariums, wildlife rescue centers, and the animal welfare and...