roosters

Consistent with the pre-dawn noises observed in wild fowl, the roosters began to crow about two hours before their rooms lit up.

公鸡在房间被照亮前2个小时就开始鸣叫了，这与在野外观察到的、公鸡黎明前报晓的时间一致。

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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。

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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

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Roosters greet the rising sun with crowing sound.

公鸡总是以报晓声来迎接朝阳。

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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。

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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。

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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

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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

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Roosters crowed the sleeping barnyard up.

公鸡的啼声把沉睡的场院唤醒.

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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Gloria Sharp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。

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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!

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

雄鸡报晓,黎明即将来到.

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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”。

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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

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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

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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

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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？

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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。

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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。

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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。

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If the roosters are sick they cannot go to the cockpit.

如果这些公鸡病了,它们就无法去斗鸡场了.

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As the roaring rocket rose the restless roosters rollicked.

随着喧哗的烟火上升,不安宁的公鸡在闹玩.

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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

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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.

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At the first crow of roosters she wakes up, looks at the dark room, listens to the sound of silence before daybreak, and falls back into a light sleep.

头鸡刚叫的时候，她就会醒过来，看一看黑黑的房间，听一听黎明前寂静的声音，再浅浅地睡过去。

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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。

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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。

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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

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Country wallpaper and border include apples , birdhouses, washboards, outhouses, roosters and so much more.

乡村壁纸和它的边缘的图案都包括了苹果、鸟笼 、 洗衣板 、 外屋 、 公鸡等等.

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They strut around like roosters down here.

在这儿他们象公鸡一样趾高气扬.

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