Sixteen 400-day-old Hy-line Brown adult roosters were used to study the amino acids availability in alfalfa oligopeptide,leaf protein,and meal.
将苜蓿寡肽、苜蓿叶蛋白和苜蓿草粉轮流强饲16只400日龄海兰褐父母代种公鸡,测定氨基酸利用率。
Hy-line brown adult roosters of400-day-old were used to study the correlativity between the endogenous nitrogen losses and endogenous energy in the endogenous excreta of fowls.
用32只400日龄海兰褐父母代种公鸡来研究鸡内源排泄物中内源氮损失量与内源能排出量的相关性。
16 Hy-line Brown adult roosters of 400-day-old we.
试验一 优质蛋白玉米的代谢能值测定 采用400日龄海兰褐父母代种公鸡16只，分为2个处理，每个处理4个重复，每个重复2只鸡，测定优质蛋白玉米和普通玉米的代谢能，结果为： 优质蛋白玉米和普通玉米的总能(GE)分别为18。
Comparisons of feed utilization between emus and cocks or turkeys;
鸸鹋、公鸡和火鸡饲料利用率比较
The cock conflict was a behavior of animal combats.
公鸡斗架是常见的一种动物争斗行为,作者通过对公鸡斗架行为的根源、方式和结局的分析,说明公鸡斗架行为是由基因控制的,是自然选择的结果,斗架的本质是繁殖斗争,目的是取得与更多异性交配的机会,留下更多的后代。
In order to explore the relationship between oxidative stress and apoptosis, the cocks were used as experimental animals and CdCl2 150 mg/kg was added in their diet.
为了探明镉中毒时氧化应激与细胞凋亡的关系,以公鸡为试验动物,在日粮中添加CdCl2150mg/kg,肝脏、肾脏和血清中谷胱甘肽过氧化物酶(GSH-Px)活性、超氧化物歧化酶(SOD)活性、丙二醛(MDA)含量以及肝、肾细胞凋亡的检测显示镉使鸡血清、肝脏和肾脏中GSH-Px和SOD活性降低,MDA含量增多,并诱导肝肾细胞凋亡的发生。
In this experiment,48 Hy-Line Brown cockerels and 48 Peking drakes with the same weight and old(18 weeks)were employed to bioassay AME,TME and endogenous energy of 9 plant feedstuffs,including paddy,corn grain,wheat grain,wheat bran,soybean oil,beef tallow,soybean meal,cottonseed meal,peanut meal and corn starch.
选用18周龄健康、体重基本一致的海兰褐佳蛋公鸡和北京Z系公鸭各48只,以Sibbald“真代谢能(TME)”法测定了公鸡和公鸭常用谷物、饼粕和油脂等3大类9种常用饲料的代谢能。
Comparative Study on Digestibility of Amino Acid in Plant Feedstuffs between Cockerel and Drake;
20)kg的海兰褐佳蛋公鸡和北京Z系公鸭各48只。
Effect of Clomifene Citrate Treat on Cocks with Symptom of Poor-quality Semen;
克罗米芬对少精症公鸡的治疗效果
Comparative study of digestive performance on dietary fibers in Emus, Turkeys and Cocks;
鸸鹋与火鸡和公鸡对饲料纤维消化性能的比较研究
The cocks were randomly divided into five groups.
本研究以新扬州鸡为试验素材，选择22周龄体重基本一致的公鸡75只，随机分成5组，每组15只。
The shrill cry of a cock.
鸡啼公鸡发出的尖叫声
The cock is pecking at the hen.
那只公鸡正在啄母鸡。
A rooster trained for cockfighting.
雄斗鸡为斗鸡而培养的公鸡
Good morning, Mr Rooster!
“上午好，公鸡先生！
Listen, the rooster is crowing.
听，公鸡正在报晓。
The rooster chases and bites him.
公鸡会追他、咬他。
Egg-laying cock, the fighter jet of the cocks. Oh!Yeah!
下蛋公鸡，公鸡中的战斗机，哦耶!
the cry of a cock (or an imitation of it).
公鸡的叫声（或模仿公鸡的叫声）。
convert a cock into a capon.
把公鸡阉割了，让它成为一只阉鸡。
He strut around like a rooster in a hen house..
他像鸡舍里的公鸡一样昂首阔步。
Rooster, we have chicks now.
公鸡先生，我们现在有小鸡了。
The characteristic cry of a rooster early in the morning.
鸡啼声清晨公鸡特有的鸣叫
The rooster make more racket than the hen that lay the egg.
公鸡比生下了蛋的母鸡嚷叫得更响。
What was hatched a hen must not try to be a rooster!
直译：孵出来是母鸡就别想冒充公鸡！
As the old cock crow, the young cock learns.--Walter Scott
老公鸡鸣叫，小鸡就跟着去学。——司各特
The cocks crowed all morning.
公鸡整个早晨都在啼叫。
An iron rooster/not a feather can be pulled out
铁打的公鸡,一毛不拔
A cock is valiant on his own dunghill.
自家粪堆上，公鸡称英雄。