Vocal responses of piglets to castration: identifying procedural sources of pain [0.03%]
仔猪去势的发声反应：识别疼痛来源
AA Taylor,DM Weary
AA Taylor
The aims of this study were to identify which aspects of castration are painful to piglets, and to determine if less painful methods are available. Previous work has shown that piglets produce more high frequency calls (>1kHz) when castrate...
Some factors affecting the behavioural manifestation of oestrus in cattle: a review [0.03%]
影响牛发情行为表现的一些因素：综述
A Orihuela
A Orihuela
The development of more efficient and cost-effective oestrous detection techniques for cattle depends on a thorough understanding of the changes in behaviour and physiology of the female during its oestrous cycle. Variability in the express...
Taste threshold determination and side-preference in captive cockatiels (Nymphicus hollandicus) [0.03%]
笼养琴鸟（Nymphicus hollandicus）的味觉阈值测定和边侧偏好试验
KD Matson,JR Millam,KC Klasing
KD Matson
The taste thresholds of caged cockatiels (Nymphicus hollandicus) for aqueous solutions of sodium chloride, citric acid, and sucrose were studied using two-choice taste-preference tests. The effects of location on the threshold were tested b...
Pecking preferences and pre-dispositions in domestic chicks: implications for the development of environmental enrichment devices [0.03%]
鸡的啄食偏好和倾向：发展环境丰富设备的意义
RB Jones,NL Carmichael,E Rayner
RB Jones
Environmental enrichment is thought likely to benefit chickens and farmers in many ways; these include reduced fearfulness and feather pecking and improved productivity. Enrichment devices would intuitively be more effective if they reliabl...
Do female broiler breeder fowl display a preference for broiler breeder or laying strain males in a Y-maze test? [0.03%]
母型肉鸡在Y迷宫实验中是否对不同种系的公鸡表现出偏好？
ST Millman,IJ Duncan
ST Millman
In recent years, the commercial broiler breeder industry has reported problems of male aggression towards females [Millman, S.T., 1999. An investigation into extreme aggressiveness of broiler breeder males. Unpublished PhD Thesis, Universit...
The vocal expression of feeding motivation and frustration in the domestic laying hen, Gallus gallus domesticus [0.03%]
家养产蛋鸡（Gallus gallus domesticus）摄食动机和受挫的发声表达
PH Zimmerman,P Koene,van Hooff JA
PH Zimmerman
Thwarting of feeding behaviour in the laying hen results in an increase in stereotyped pacing, displacement preening, and the gakel-call. These behaviours therefore reflect the frustration arousal caused by the thwarting of feeding behaviou...
Thwarting of behaviour in different contexts and the gakel-call in the laying hen [0.03%]
母鸡在不同情境中的行为抑制和咯喀尔叫声
PH Zimmerman,P Koene,van Hooff JA
PH Zimmerman
Earlier studies have shown that thwarting of feeding behaviour in the laying hen is expressed through a specific vocalisation, the gakel-call. The first aim of this study was to investigate whether the effect of deprivation per se on the oc...
Threat assessment by domestic ducklings using visual signals: implications for animal-machine interactions [0.03%]
家鸭雏鸟利用视觉信号进行威胁评估：对动物-机器互动的启示
JV Henderson,CM Wathes,CJ Nicol et al.
JV Henderson et al.
There are increasing opportunities for robots to work amongst animals in agricultural systems. One potential application is in herding animals prior to catching or transportation. An effective herding robot must be able to interrupt ongoing...
Behavioural evaluation of methods for assessing fear responses in weaned pigs [0.03%]
断奶猪恐惧行为反应评估方法的评价研究
IL Andersen,KE Bøe,G Foerevik et al.
IL Andersen et al.
Models of anxiety and fear of novelty were evaluated using correlations and principal component analysis. A total of 84 pigs (LandracexYorkshire) from nine different litters were subjected to a tonic immobility (TI) test at the age of 2.5 w...
Deprivation of straw bedding alters PGF(2alpha)-induced nesting behaviour in female pigs [0.03%]
无垫草对猪产前行为的影响
TH Burne,PJ Murfitt,CL Gilbert
TH Burne
Sows are highly motivated to build a maternal nest on the day preceding parturition. A model for nest building has been established in pigs, in which exogenously administered prostaglandin F(2alpha) (PGF(2alpha)) may be used to elicit nesti...