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The objective of this study was to replace fishmeal with maggot meal in pullet and layer rations to verify its effect on......
Influence of different intensive housing systems on performance characteristics of egg-type chickens
The shift onto the use of alternative housing systems for egg-type chickens to eliminate stress and improve their welfar......
Nutrition intake during growth strongly influences ovarian follicle development and egg laying in chicken hens,yet the u......
Abstract Modern ecological breeding has the characteristics of protecting the ecological environment， health， nutrition， de......
Dietary L-citrulline supplementation modulates nitric oxide synthesis and antioxidant status of layi
Background:L-citrulline(L-Cit),a non-protein amino acid,has been implicated in several physiological functions including......
Searching the global optimal value in heat exchanger network synthesis (HENS) becomes more difficult along with the incr......
Sexual maturation in hens is not associated with increases in serum leptin and the expression of lep
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
资源和能源的可持续发展使得换热网络综合不仅要考虑经济性，同时要满足柔性、可靠性、可操作性和环境影响度等指标的要求。目前，换热......
试验选用1日龄海蓝褐蛋雏鸡120只,分为4个组,每组30只,对照组饲喂基础日粮,试验组在基础日粮中分别添加益生素107cfu· kg^-1......
选取40周龄的海兰褐蛋鸡200只为研究对象,检测笼养和平养鸡舍内NH3和H2S气体的浓度,研究笼养和平养模式对海兰褐蛋鸡的生产性能、......
目的制备一种新的抗蝰蛇毒卵黄抗体，并研究其免疫特性。方法将产卵母鸡分为低剂量（A组）和高剂量（B组）免疫组。以甲醛减毒法制备的蝰蛇毒......
用约束最大似然法(REML)估计纯种与杂种蛋鸡饲料利用率及其相关性状的遗传参数,材料源于一个正反反复选择(RRS)品种洛岛红和浅花苏......
用小鹅瘟SRM<sub>1</sub>强毒株鹅胚尿囊液、GD弱毒株鸭胚尿囊液分别接种健康产蛋鸡,经琼扩免疫扩散（GAID）试验检测,发现SRM<sub>1</......
缩宫素对123例本地成年母鸡产蛋滞留难产症的临床治疗观察,其结果:缩宫素组与对照1、2组的治愈率比较,均具有极显著性差异(P【0.01......
本试验用不同比例的各种原料,加入不同量的水制曲,来优选制曲配方,优选粗蛋白含量高的发酵血粉载体及鲜血加入量。研究用塑料袋法......
垂体和肾上腺在摘除卵巢的雌性动物性激素合成过程中起到重要作用。为研究去势对白来航母鸡垂体和肾上腺的影响,实验对6只9周龄白......
对临床发现的由鸡大肠杆菌引起的以鸡输卵管炎和腹膜炎为典型症状的传染病诊治情况进行论述。采用大肠杆菌分离培养、生化试验和药......
采用促性腺激素释放激素类似物诱导母鸡快速换羽已作为一种模式研究母鸡羽的内分泌机制，并与自然换羽进行比较，研究结果表明：（１）试验组血......
目的探讨抗蛇毒卵黄抗体应用于蛇毒检测的可行性.方法以甲醛减毒的眼镜王蛇毒抗原免疫莱航母鸡,制备抗眼镜王蛇毒抗体;采用过碘酸......
运用中医学理论对鸡淋巴细胞性白血病的临床症状进行辨证施治.采用补脾保肝、清热解毒的中草药防治此病,有效地控制了此病的发展,......
试验利用天津汉沽盐场有限责任公司辖区内丰富的卤虾资源作为主要喂养饲料，辅以天然生物饲料，常规方法饲养蛋鸡，获取到具有极具保健价......
某种鸡场一群艾维菌父母代种鸡中出现“假性母鸡”，剖检发现输卵管畸形。这批种鸡在17日龄时发生过某传染病。进行发病情况调查、对......
本试验旨在探讨微生态制剂对蛋鸡生产性能、免疫功能、蛋品质及粪便排放的影响。选用3 000只320日龄海兰褐蛋鸡,随机分为2组,每组3......
本文报道了蛋鸡饲料利用率及其相关性状和孵化率的杂种优势。材料来源于一个正反反复选择饲料利用率的试验,8个世代共有蛋鸡13408......
通过流行病学调查、病鸡剖检、血清学调查和病原分离鉴定,诊断贵州省某场鸡群发生了非典型新城疫。采取新城疫疫苗紧急接种,并投喂......
为评价 LFA_3(降脂添加剂)对产蛋母鸡的影响,以含 LFA_30(对照组),50(Ⅰ组)和100(Ⅱ组)g/kg 日粮饲喂215日龄罗曼蛋鸡8周,检测蛋的......
以输出功率的１３毫瓦的８４－２型兽用Ｈｅ－Ｎｅ激光治疗机扫描照射蛋鸡的内眼角和鸡冠部，每只鸡辐射１０秒钟，连续照射１０天，观察５周，结果表明，Ｈｅ－Ｎｅ激光对提高蛋鸡产蛋率......
经过对鸡血和兔血凝固现象的比较研究,发现二者之间存在一定差异,可能是受纤维蛋白原和凝血因子的影响,而与温度、钙离子无关。......
将两歧双歧杆菌、保加利亚乳杆菌和嗜热链球菌分别制成每克含活菌1亿的微囊,等量混合而成生态制剂,按0.125%添加在蛋鸡基础饲料中,......
本文根据近年来国内外关于鸡组织碱性磷酸酶同工酶的研究资料,对鸡碱性磷酸酶同工酶的组织分布、分离、分型、性质、遗传特性及与......
选择1日龄蛋鸡216只,随机分成6组,分别为对照组(1组),混饲镉化合物2×10-7组(2组)、1×10-6组(3组)、2×10-6组(4组)......
将ＣＢ－ＨＲＰ分别注入母鸡输卵管蛋白分泌部的前半段和后半段，以研究其神经分布的差异，结果表明，支配前半段与后半段的神经元分布位置和数目均有......
Sexual maturation in hens is not associated with increases in serum leptin and the expression of lep
Background: In mammals, leptin is an attractive candidate for mediating the metabolic signal and the reproductive functi......
Effects of dietary phosphorous supplementation on laying performance,egg quality,bone health and imm
Background:Phosphorus is an essential nutrient to maintain poultry health and performance.The objective of this study wa......
Dietary betaine activates hepatic VTGII expression in laying hens associated with hypomethylation of
Background:Vitellogenin(VTG)is a precursor of egg yolk proteins synthesized within the liver of oviparous vertebrates.Be......
试验将60只体重相近的49日龄海兰褐蛋鸡随机分为A、B、C、D、E5组，每组4个重复，每个重复3只。B、c、D、E4组颈部皮下注射新城疫I系疫......
应用熟化葡萄籽粉和葡萄籽粕开展了猪、鸡饲养试验。结果表明:妊娠期母猪以4%~10%的比例添加葡萄籽粕,哺乳期母猪以7%的比例添加熟......
Effects of Probiotics and Enzyme Preparation on Cholesterol,Triglyceride and Serum ALT and POD in Eg
[Objectives]This study was conducted to investigate the effects of probiotics and enzyme preparation on cholesterol,trig......
为了研究鸡卵巢、输卵管子宫部、输卵管漏斗部FSHR及LHR基因表达水平差异,实验从海兰褐蛋鸡的子宫部、卵巢、漏斗部中提取总RNA,利......
在298日龄的海兰（褐）商品蛋鸡日粮中加入一定量复方碘、锌、钦盐添加剂,采用L<sub>9</sub>（3<sup>4</sup>）正交设计,饲喂10天后每枚鸡......
In this paper we described the effect of administrated CoQ10, and alfa-lipoic acid on the concentration of total CoQ10 i......
The study evaluated the effect of time and fatty acid (FA) composition in eggs of laying hens supplemented with tuna oil......
Effect of Supplemental Oregano Essential Oils in Diets on Production Performance and Relatively Inte
This study was designed to investigate the effects of dietary oregano essential oils on 150 30-week-old Hy-Line Layers’......
A Combination of Wheat Bran and Vegetable Oils as Feedstuff in Laying Hens’ Diet: Impact on Egg Qual
Wheat bran (WB) is an important side product of the milling industry and plays an increasing role in animal feeding. Des......
Infections due to Escherichia coli and Salmonella are of the major constraints for the laying hen’s industry as they ca......
在基础日粮（含碘０．２００８ｍｇ／ｋｇ）中添加１２５０ｍｇ／ｋｇ碘，对Ｈｉｓｅｘ蛋鸡连续饲喂５周，使其卵巢皮质内初级卵泡的闭锁率较对照组升高差异极显著（Ｐ〈０．０１），次级卵泡的闭锁率上升差异显著......
在当前的养殖业行业,蛋鸡养殖属于投入产出比较高、风险较小、见效较快的发展项目,在当前的农村具有广阔的发展前景,成为了群众增......
目前,多种哺乳动物的核移植已相继成功,禽类仍处于探索之中.造成这种滞后的原因,一方面是由于禽类卵子大且卵黄多,因而去核困难,不......
