搜索结果: 46-60 共查到“知识库 家畜行为学”相关记录68条 . 查询时间(1.252 秒)
Aggressiveness Influences Behavioral Patterns of Local Chickens
aggressiveness behavioral pattern feeding activity local breed management
2009/7/31
In order to utilize local chicken, aggressiveness and behavioral patterns of six breeds of Asian local chicken were studied from eight to 18 weeks of age. Local breeds studied were Hua-Tung, Hsin-Yi,...
Gonadotropin-Inhibitory Hormone (GnIH):Discovery,Progress and Perspecitive
Laboratory of Brain Science,Faculty of Integrated Arts and Sciences,Hiroshima University,and Integrative Brain Science Center at Hiroshima University
2009/7/30
Probing undiscovered neuropeptides that play important roles in the regulation of pituitary function is essential for the progress of avian endocrinology and neuroendocrinology. Neuropeptide control o...
Leptin Signaling and Action in Birds
avian leptin receptor signal transduction physiological action
2009/7/30
The discovery of leptin has led to an understanding of the regulation of energy expenditure and food intake in a number of vertebrates. Leptin is also implicated in diverse physiological functions. In...
Effects of Molt-induction Period on Induction of Molt and Post-molt Performance in Laying Hens
layer molt diet molt-induction molt-induction period post-molt performance
2009/7/29
This experiment was conducted to determine the effects of molt-induction period on molting and post-molt performance of laying hens. White Leghorn hens at 64 weeks of age were used. After a 4-week pre...
藏獒血液蛋白多态性研究
藏獒 血液蛋白多态性 有效等位基因数 Nei氏平均预期基因杂合度
2009/12/23
［目的］了解藏獒血液蛋白基因座的遗传变异状况，为藏獒品种资源保护及合理开发利用提供理论依据。［方法］ 采用不连续垂直板聚丙烯酰胺凝胶电泳技术，对河曲藏獒、青海藏獒、青海藏狮犬和青海土种犬共4个群体103只犬的7个血液蛋白基因座（Tf、Po、Sα2、Hb、Alb、Pr、Amy）的多态性进行研究，并分析不同群体的群体内遗传变异。［结果］ 4个犬群中，Tf、Po和Sα2 3个基因座上存在多态性，其中...
The Effects of Skin Pigmentation on Physiological Factors of Thermoregulation and Grazing Behaviour of Dairy Goats in a Hot and Humid Climate
Skin Pigmentation Heat Stress Physiological Factors Grazing Behaviour Goat
2016/4/29
The aim of this study was to understand the effects of skin pigmentation on physiological parameters of thermoregulation and grazing behaviour of dairy goats in a hot and humid climate. The study used...
Changes in Behaviour of Laying Hens Following Beak Trimming at Hatch and Re-trimming at 14 Weeks
Laying Hens Beak Trimming Behaviour Pain
2016/4/27
For many years beak trimming has been a controversial subject, particularly since the 1980??s when the practice came under close scrutiny by animal welfare groups. In Australia it is considered an ess...
冬季暖床对断奶仔猪躺卧行为的影响
断奶仔猪 躺卧行为 暖床
2007/12/17
为了了解新型局部加热设施——暖床在断奶仔猪舍内的使用情况，本文通过测量挂帘与不挂帘暖床内外的温度和定时观察仔猪在暖床内外的躺卧情况，以分析暖床挂帘与否对仔猪躺卧行为的影响。试验结果表明，当舍内温度维持在13.0℃时，挂帘暖床和未挂帘暖床内部温度分别达到28.6℃和17.9℃；当舍内温度低于9.9℃，仔猪日龄小于48日龄时，超过98.9％仔猪选择挂帘暖床躺卧。随着仔猪日龄的增长，仔猪在挂帘暖床内躺卧...
Effect of Dietary Hyacinth Bean (Lablab purpureus) on Broiler Chicks Performance
Hyacinth Bean Broiler Chicks
2010/11/10
The experiment was conducted to determine the effect of decorticated Hyacinth bean on the
performance of broiler chicks and some blood parameters. One hundred and twenty eight one day old unsexed bro...
Chromosome regions affecting body weight in egg layers
Egg laying chickens QTL mapping body weight
2010/8/9
We have previously mapped quantitative trait loci (QTL) affecting egg production and quality traits using a reciprocal cross of two divergent egg-layer lines. The lines differ also in body weight, and...
Feeding Behavior of Pregnant Dairy Heifers during Last Trimester under Loose Housing System
Drinking Heifer Eating Pregnant Rumination Time Budget
2016/4/26
Thirty pregnant heifers (Jersey, Holstein Friesian and Hariana) were divided into three groups (10 animals/group) according to their stage of pregnancy viz. seven-month (181-210 days) pregnancy (SMP),...
Comparison of part-time grazing and indoor silage feeding on milk production
milk production restricted grazing dairy cows protein supplementation
2010/8/10
Cows were assigned randomly to indoor silage feeding (with 2 h outdoor exercise) or part-time grazing treatment in two different experiments. One group was kept in confinement with ad libitum grass si...
Influence of Aluminum Chloride and Ascorbic Acid on Performance, Digestibility, Caecal Microbial Activity and Biochemical Parameters of Rabbits
Rabbit ascorbic acid aluminum chloride digestion biochemical parameters
2010/11/8
The effects of aluminum chloride (AlCl ), ascorbic acid (AA) and/or their combination were 3
investigated on the performance, digestibility, nitrogen balance, caecal microbial activity and biochemica...
Effect of Thermal Stress on Sexual Behaviour of Superovulated Bharat Merino Ewes
Sheep Synchronization Estrus Thermal Stress Sexual Behaviour
2016/4/20
The present study was undertaken to study the effect of thermal stress on sexual behaviour of superovulated ewes. Fourteen adult Bharat Merino ewes with an average body weight of 29.4 2.34 kg were ran...