roosters

From how to handle roosters ’ crowing to common ailments like bumblefoot , Silkie owners often discuss and share tips for raising Silkies in online community groups .

运动按摩治疗师GloriaSharp虽然是第一次养鸡，但她表示自己得到了新加坡养鸡者社区的大力支持。从如何处理公鸡的啼叫到常见的疾病，比如鸡趾瘤症，乌鸡的主人经常在网络论坛上讨论和分享饲养乌鸡的技巧。

Effect of Different Protein Level of Feedstuffs on Endogenous Energy Losses of Roosters

不同蛋白质水平饲料原料对鸡内源能排泄量的影响

New research says the latter : roosters crow because of internal time cues .

新的研究应证了后一说法：公鸡打鸣是因为“内时钟”。

Study on Nutritional Value of DDGS from Different Sources in Adult Roosters in China

我国不同来源DDGS对家禽营养价值的评定研究

The effect of androgen inoculation on the sexual performance of mature roosters

雄激素免疫对成年公鸡性机能的影响

Then , for two weeks , the roosters lived in constant dim light .

然后，让公鸡持续在微弱的光线中度过两个星期。

Effects of Different Dietary Levels on ND Antibody Titre of Breeder Roosters

不同营养水平对种公鸡新城疫抗体水平的影响

The chicken farm is going to select some good roosters to raise as breeding stock .

鸡场将优选出来的公鸡当作种鸡饲养。

The Impact of the Level of Androgen on the Quality of Sperm in Mature Roosters

文昌鸡血清雄激素水平对精液品质的影响

Roosters are usually given a break of at least an hour before taking on another opponent .

一般来说，斗鸡在两场比赛之间有至少一小时的休息时间。

Introduction of dry chick faeces into the diet of young roosters to increase egg production

干燥鸡粪饲料饲喂蛋仔公鸡试验

Like all birds , roosters call in a daily cycle determined by circadian rhythms .

和其他鸟类一样，生理节律决定了公鸡每天都要打鸣。

The only complaints in recent years have been that the roosters are too loud .

近年来对他们唯一的不满就是啦啦队的声音太大了。

They strut around like roosters down here .

在这儿他们象公鸡一样趾高气扬.

GLU content of roosters feeding low protein diet was slightly higher than the other two groups ( P > 0.05 ) .

低蛋白组葡萄糖含量稍高于另两组（P>0.05），甘油三酷含量极显著地高于高蛋白组（P<0.01）；

Japanese researchers say they have proof that an internal clock helps tell roosters when it is time to crow .

日本研究人员表示，他们已经证实有一个内部时钟可以告诉公鸡该何时打鸣。

They had black crusts and they crowed like roosters !

它们有着黑色的外壳，它们会像公鸡一样啼叫！

The birds also crowed in response to sudden light , and to the sounds of other roosters .

为了响应突然亮起来的光线和其它公鸡的叫声，公鸡也会鸣叫。

Roosters greet the rising sun with crowing sound .

公鸡总是以报晓声来迎接朝阳。

However , the researchers also noticed that the roosters ' sense of time grew worse the longer they stayed in the experiment .

然而研究人员同时观察到，这些公鸡在实验环境中待得越久，它们对时间的敏感度就越弱。

The results show that : Effect of Anti-stress agent on breeder roosters intake , the volum .

近年来研究发现铬在抗应激和提高免疫机能上有特殊的作用。

Comparative Study of Proteinase Activities and Digestibility of Amino Acids of Feedstuffs Between Roosters and Broiler Chicks

蛋公鸡和肉仔鸡蛋白消化酶活性及饲料氨基酸消化率的比较研究

And because their internal clocks are sometimes set a bit early , some roosters begin crowing well before sunrise .

又因为公鸡的生理钟有时候设置得早一些，所以，一些公鸡打鸣在日出前。

Roosters are territorial creatures and don 't much like other roosters trespassing on their land .

公鸡有领地意识，自己的领地“决不许其它公鸡侵犯”。

Body weight of aged roosters was not affected by the different dietary of crude protein and calcium levels ( P0.05 ) . 2 .

说明不同粗蛋白和钙水平日粮对成年种公鸡的体重没有明显的影响（P＞0.05）。

The roosters were crowing and the dawn was not far off .

雄鸡报晓，黎明即将来到。

The Influences of Ambient Temperature and Removal Period of Digesta on the Residual Amounts of Dry Matter in Digestive Tract of Adult Roosters

环境温度、排空期时数对成年公鸡消化道残留内容物含量的影响

I have fourteen roosters and fifteen hens .

我有十四只公鸡和十五只母鸡。

But why must roosters crow as they prepare to start their day , and why do some roosters sound off before dawn ?

但是，为什么公鸡会打鸣呢？而且偏偏是在黎明前呢？

Garrett 's expertise in roosters ... was the cornerstone of our plan to avoid contact with Juli Baker .

伽利特对公鸡的精通是我们避免与朱莉·贝克接触的基石