鸡日

夏季，产蛋鸡日粮中添喂动物脂肪的试验组，与不添喂的对照组，两组产蛋率分别为85.7%和79.2%，两组差异显著（P0.05）；

In summer , the laying rate of the layers in treatment group fed on the diets with animal fat and that of the control group without animal fat were 85.7 % and 79.2 % respectively .

在产蛋鸡日粮中添加0,2%，5%和8%胡麻油，对蛋黄和鸡肝脏的脂肪酸组成有显著影响：蛋黄中的α-亚麻酸直线增加，DHA含量也呈增加趋势。

Effectiveness of α linolenic acid to enrich DHA and EPA in egg yolk was studied . Ninety six laying hens were fed four diets supplemented with 0,2 % , 5 % or 8 % linseed oil for six weeks .

桃源鸡日粮不同营养水平的饲养效果初探

The feed effect of Taoyuan chickens ration on different nutrition level

不知她会不会相信今天是乔治鸡日。

I wonder if she 'd believe it was chicken George day .

夏季产蛋鸡日粮中添加动物脂肪对提高产蛋性能的效果

Effects of Adding Animal Fat into Layer Diets in Summer on Laying Performance

本文研究了三种不同的丁酸盐产品在产蛋鸡日粮中的应用效果。

Effects of three kinds of butyrate salts were studied by adding in layer diets .

产蛋鸡日粮添加不同油脂对生产性能、血脂及蛋黄胆固醇的影响

High Lipid Diet Effects on Laying Performance , Blood Fat and Cholesterol Concentration of Egg Yolk

杨树叶对鸡日粮中蛋白质和脂肪利用率的影响

The influence of poplar leaf on the utilization rate of the protein and fat in laying hen

相同剂量免疫时，免疫鸡日龄越小，抗体上升越慢，上升幅度越小。

Under the same immunizing dosage , the younger the immunized chickens were , the slower the antibody level increased , and the smaller the increasing amplitude was .

本文对柑桔皮粉的制备、常规和微量营养成分含量测定及柑桔皮粉在肉仔鸡和产蛋鸡日粮中的利用进行了较详细地论述。

The preparation , Utilization of Citrus peel meal in diets of broilers and laying hens , and content determination of nutrient composition in proximate and mico-ingredient of Citrus peel meal were discussed inyo detail .

试验通过蛋公鸡排空强饲法研究了2种木聚糖酶在5种能量饲料和6种产蛋鸡日粮中代谢能的当量值。

The experiment was carried out to determine the metabolizable energy equivalent value of two xylanase enzymes in five kinds of energy feed ingredients and six kinds of diets for layers by force feeding cockerels .

在产蛋鸡日粮中，以3%经水解，酶解两步加工的新型羽毛粉取代同等比例的水解羽毛粉和豆粕，以1.5%的比例取代鱼粉。

The new type feather meal made by hydrolysis and enzymolysis substituted the hydrolyzed feather meal and the soybean meal for 3 % respectively and substituted the fish meal for 1 . 5 % in the laying-hen feeding diets .

8组鸡21日龄时经传染性法氏囊病毒（IBDV）抗体测定均为阴性。

IBDV antibodies in serum samples of all chickens were negative at 21-day-age .

泰和鸡雏鸡日粮的能量和蛋白质水平的研究

Studies on tre dietary energy and protein levels for Taihe chicks

并且随着鸡只日龄的增加，小肠食糜的酶活逐渐增强。

It was also showed that the phytase activity increased with the chickens aged .

结果BWEL-SPF鸡1日龄各项生理指标不存在性别差异；

Results The physiological values of 1 day old show no differences between male and female ;

成都白鸡育雏日粮锌的适宜添加量及缺锌对含硫氨基酸利用的影响

The appropriate dietary zinc supplementation for white Chengdu chicks and the effect of zinc deficiency on sulfur amino acid utilization

根据总需要量和平均日采食量就可以计算出黄胫丝羽鸡的日粮氨基酸水平。

Amino acid levels for diet in Yellow-shin-silkie chickens were calculated according to the general requirement and the average daily feed intake .

在固始鸡后期日粮中只有甘氨酸和丝氨酸的水平与我国肉用仔鸡后期标准相当，其它必需氨基酸的水平都偏低。

But in the lately diets of GuShi chicks , levels of essential amino acids were lower than the recommendations of 1986 standard except Gly and Ser .

鸡种和日粮能量、粗蛋白水平对Gompertz模型参数的影响

Effects of chicken breeds and Feed Nutritive levels on the parameters of Gompertz growth model

试验组鸡从10日龄开始往饲料中添加0.8ppmβ－肾上腺素能受体激动剂Clenbuterol（简写CL）；

Chickens in the experiment group were fed on a diet with 0.8 ppm Clenbuterol ( CL ) supplementation from 10 to 59 days of age .

隐性白羽鸡产蛋中期日粮蛋白适宜区间的探讨

Research of optimum crude protein diets in middle-laying period on Hidden white-feather breeding hen

试验3组鸡，10日龄、15日龄宰杀时病变很明显。

Group 3 kill 10-day and 15-day chicks , their pathological changes are very clear .

结果表明：采食1%CLA日粮的鸡在21日龄时溶菌酶活性显著升高（P<0.05）。

Chicks fed 1 % CLA diet produced more lysozyme at age of 21 d compared with the control group ( P < 0.05 ) .

北京白鸡5～18日龄胚胎消化器官的显微结构

The Microstructure of the Digestive Organ of the Chick Embryo

结果表明，能量为11.70MJ/kg，粗蛋白为17%的日粮，对贵妃鸡日增重、日采食量、饲料转化率影响效果最好，且经济效益最大。

The result showed that the group with metabolizable energy for 11.70 MJ / kg and crude protein for 17 % was the best feeding result of daily gain , daily intake , feed conversion rate and economic effect .

结果表明，鸡的总产热量（THP）、显热量（SHP）与鸡日龄间存在着显著的相关性；

The results showed that the total heat production ( THP ) and sensible heat production ( SHP ) have significant correlation with pullet ′ s day old ;

对7日龄已免疫新城疫弱毒苗的鸡群，用3种不同的免疫程序分别免疫3组鸡，在10日龄和18日龄分别检测新城疫HI抗体。

Three groups of chickens were vaccinated with attenuated vaccines of Newcastle disease on 7 day-old , with three different immune procedures . HI antibodies were detected on 10 day-old and 18 day-old .