Mother-offspring bonding in farmed red deer: accuracy of visual observation verified by DNA analysis [0.03%]
饲养梅花鹿母子配对:通过DNA分析验证视觉观察的准确性
D Vanková,L Bartos,D Cízová-Schröffelová et al.
D Vanková et al.
The accuracy of a maternity assessment based on visual observation was tested during the post parturient phase in farmed red deer. The mother of the calf was determined using visual observation of the hind's peri-parturient and early matern...
Influence of prior exposure to wood shavings on feather pecking, dustbathing and foraging in adult laying hens [0.03%]
啄食前接触木屑对产蛋鸡采食、尘浴的影响实验报告
C J. Nicol,A C. Lindberg,A J. Phillips et al.
C J. Nicol et al.
It has been proposed that chicks acquire substrate preferences during an early 'sensitive' period. If a suitable substrate is absent during this period birds may develop alternative preferences for pecking at feathers. The aim of this study...
Feather eating in individually caged hens which differ in their propensity to feather peck [0.03%]
个体笼养蛋种鸡采食羽毛行为的研究
D E.F. McKeegan,C J. Savory
D E.F. McKeegan
Two experiments examined the responses of 16 individually caged laying hens to the presentation of feathers plucked from dead birds of the same genetic line. In the first experiment, hens known from a previous experiment to be either feathe...
R C. Newberry,I Estevez,L J. Keeling
R C. Newberry
To test the hypothesis that young domestic fowl perform less perch-related antipredator behaviour with increasing group size, White Leghorn pullets were reared in four replicate groups of 15, 30, 60 and 120 at a constant density of 5 birds/...
Day-old chicks categorised on latency to peck, exhibit a stable fear pattern until 15 days of age [0.03%]
延迟啄反射分类的新生雏鸡在15日龄前表现出稳定的恐惧模式
N A. Salvatierra,A Arce
N A. Salvatierra
Day-old chicks of both sexes were individually categorised on the latency to peck pebbles and termed as high latency (HL), moderate latency (ML) or low latency (LL). Anxiolytic doses of diazepam diminished the latency only in the HL categor...
A note on hair whorl position and cattle temperament in the auction ring [0.03%]
关于牛拍卖圈中的毛旋位置和牛的脾气的一点说明
J L. Lanier,T Grandin,R Green et al.
J L. Lanier et al.
The objective of this study was to further describe the relationships between facial hair whorls and temperament in cattle. Cattle (n=1636) from six commercial cattle auctions in Colorado and Texas were observed. Whorl location was classifi...
A M. Sisto,T H. Friend
A M. Sisto
The objective of this research was to determine if confinement of 8-day-old calves for varying lengths of time is associated with an increase in motivation to perform locomotor behaviors. Holstein heifer and bull calves (N=48) were used in ...
Relationship between some chemical components of herbage, dietary preference and fresh herbage intake rate by the Japanese serow [0.03%]
日本山羊草食选择和食入率与其饲料化学成分的关系研究
Y Deguchi,S Sato,K Sugawara
Y Deguchi
The serow is a native Japanese mammal and has been designated as a special natural treasure. However, it has been a pest of crops since the 1970s. Since the serow is an indigenous and protected species, it must be controlled without endange...
Reducing feather pecking when raising laying hen chicks in aviary systems [0.03%]
笼养系统下降低育雏期产蛋鸡啄羽行为发生率
B Huber-Eicher,F Sebö
B Huber-Eicher
Aviary systems for laying hens offer several advantages over battery cages. However, pecking the feathers of conspecifics remains a serious problem that negatively affects the welfare of the birds as well as the economy of a farm. From expe...
How do miniature pigs discriminate between people?. Discrimination between people wearing coveralls of the same colour [0.03%]
小猪是如何辨别人之间的差异的?穿着同色工装的人之间的辨别
Y Koba,H Tanida
Y Koba
Seven experiments were conducted on four miniature pigs to determine: (1) whether the pigs can discriminate between people wearing the same coloured clothing; (2) what cues they rely on if they could discriminate. For 2 weeks before the exp...