Behavioural responses of piglets to castration: the effect of piglet age [0.03%]
公猪阉割对断奶仔猪行为的影响及不同去势日龄的差异研究
A A. Taylor,D M. Weary,M Lessard et al.
A A. Taylor et al.
It has long been assumed that neonatal animals are less sensitive than older animals to pain, and this reasoning has been used to recommend that routine surgical procedures be performed at an early age. In this study we tested if vocal and ...
Behaviour of calves at introduction to nurse cows after the colostrum period [0.03%]
初乳期后犊牛引见给育成母牛时的行为反应
M Vaarst,M B. Jensen,A -M. Sandager
M Vaarst
In traditional housing systems for dairy herds, calves are very often placed in single boxes and fed milk from a bucket, which may lead to abnormal behaviour. In organic herds, for whom the aim is optimal animal welfare, there is interest i...
Dairy cows' fear of people: social learning, milk yield and behaviour at milking [0.03%]
奶牛对人的恐惧：社会学习、产奶量以及挤奶行为
L Munksgaard,A M. DePassillé,J Rushen et al.
L Munksgaard et al.
We examined the effects of the presence of an unfamiliar, a gentle or an aversive handler during milking on behaviour and milk yield, and whether cows can learn to approach or avoid a handler by observing the neighbouring cow's responses. I...
A cautionary note regarding the use of nutritional L-tryptophan to alter aversion-related behaviour in mice [0.03%]
关于使用营养L-色氨酸改变小鼠厌恶相关行为的使用的警示注意事項
A M. Janczak,M Bakken,B O. Braastad
A M. Janczak
Nutritional L-tryptophan is reported to have positive effects on the behaviour of several farm animals. The present experiment describes some effects of nutritional L-tryptophan on the aversion-related behaviour of male mice selected for hi...
Development and validation of a novel method for evaluating behavior and temperament in guide dogs [0.03%]
导盲犬行为和气质评价的新方法的建立及验证
J A. Serpell,Y Hsu
J A. Serpell
Most guide and service dog organizations would benefit from the development of accurate methods for the early evaluation of canine temperament traits. This paper describes the development and validation of a novel questionnaire method for a...
Spatial distribution and behaviour of laying hens housed in an alternative system [0.03%]
笼养换羽蛋鸡空间分布和行为研究
C E. Channing,B O. Hughes,A W. Walker
C E. Channing
The spatial distribution and behaviour of perchery housed laying hens were compared at a constant stocking density (18.5 birds/m(2)) in eight pens with colonies of five different sizes (323 birds (N=1), 374 birds (N=2), 431 birds (N=2), 572...
The use of olfactory and other cues for social recognition by juvenile pigs [0.03%]
仔猪利用嗅觉及其他线索进行社会识别的行为研究
H H. Kristensen,R B. Jones,C P. Schofield et al.
H H. Kristensen et al.
Social recognition is essential for the maintenance of a stable group structure. Failure to recognise familiar conspecifics in social groups of juvenile pigs may initiate agonistic encounters that can compromise welfare and productivity. Cu...
Evidence of a limited role for prolactin in the preparturient activity of confined gilts [0.03%]
关于限位妊娠母猪分娩前催乳素作用的证据
J Rushen,S Robert,C Farmer
J Rushen
To investigate the role of peripheral prolactin in stimulating the preparturient activity of pigs, 12 cross-bred gilts housed in standard farrowing crates either received orally 10mg of bromocriptine three times per day from day 110 of gest...
N M. Keil,W Langhans
N M. Keil
Intersucking, i.e. sub-adult or adult cattle sucking at the udder of herd-members, is a problem often reported in dairy herds that leads to udder health problems. The causes of intersucking are virtually unknown, and until now all available...
Mother-young relationships in Belgian Blue cattle after a Caesarean section: characterisation and effects of parity [0.03%]
比利时蓝牛剖腹产后的母子关系及其胎次的影响
M Vandenheede,B Nicks,A Désiron et al.
M Vandenheede et al.
The systematic use of Caesarean section in "double muscled" Belgian Blue cattle can induce ethical concerns. The aims of the following study was to characterise mother-young relationships in such a situation and to assess the effect of pari...