约在5周龄时内脏器官重超过饲养阶段的平均数。
The weights of the internals organs at 5 weeks old were over the average of the feeding term.
一是根据奶牛各饲养阶段对营养需要的不同进行科学合理的饲料搭配与管理；
One was scientific feeding and management on the basis of different nutrient requirement for different developing stages of dairy cows.
通过3个饲养阶段，每阶段28天，研究赖氨酸前期限制后期足量供给对生长猪性能的影响。
The effect of Lys restriction followedby a repletion period on the performance of growing pigs was studied during 3feeding phases, each lasting 28 d.
为了验证这一假设，研究人员将处于第四和第五阶段发育期的幼年龙虾放在能够操纵牡蛎片的实验室环境中饲养。
To test this hypothesis, researchers raised lobsters in the juvenile fourth and fifth stages of development in a laboratory environment in which the lobsters could manipulate oyster chips.
阶段饲养对饲养肉用幼兔的经济效益无影响。
The phase feeding has little effect on raising growing meat rabbits.
本试验是为23—92公斤阶段生长肥育猪筛选配合饲料最佳配方的单因子饲养试验。
A single factor feeding experiment of sifting optimum formula feed prescriptions for local growing-finishing swine of 23-92 KGS.
详细介绍了果子狸的规模化驯养条件，在不同季节、不同生理阶段的饲养管理以及繁殖习性。
Conditions needed for masked civet domestication in reasonable scale, management in different seasons and at different biophysical stages and breeding of the animal were introduced in details.
同时，比较了饲养层细胞类型、生长因子、胚胎发育阶段等因素对绵羊胚胎干细胞分离培养效果的影响。
The effect of feeder cell type, growth factors, and embryo developmental stage on establishment of sheep embryonic stem cell was also studied in present experiment.
为测定安哥拉毛兔营养需要量，笔者连续4年，共用各生理阶段的兔1465只次，进行了106组饲养试验、79组消化试验。
To determine the nutrient requirements of Angora rabbits, 1465 Angora rabbits at different physiological stages were used for 4 years in 106 feeding experiments and 79 digestive experiments.
结论：在复苏后早期阶段ES细胞培养中，不宜单独应用BRL条件培养基，须用MEF饲养层或合并应用BRL条件培养基和MEF饲养层。
Conclusion: ES cells should be cultivated on MEF feeder layer or in BRL conditioned medium plus MEF feeder layer at the early stage after recovering.
这也在全国范围内掀起了一股饲养蛙类的热潮，但是现阶段的饲养绝大多数是半人工半散养，而且饲养中尚存有很多问题亟待解决。
The frogs breeding were booming all over the country, but at present only semi-artificial and semi-wild, and there were many problems need to solve.
最后他们仍须抓住猪的饲养上的几个关键阶段。
Finally, they need to recognize the critical periods in swine feeding.
在低龄若虫、高龄若虫和成虫阶段，人工饲养地鳖虫蛋白酶活力比野生地鳖虫低，人工饲养地鳖虫淀粉酶和脂肪酶活力比野生地鳖虫高；
The protease activity in the midgut of artificially reared insects was higher than thats of the wild insects in the same growth stage, but the amylase and lipase activities were lower.
研究了日本弓背蚁的社群生活史；结合室外观察和室内饲养方法，对日本弓背蚁社群生活史各阶段社会行为进行了初步研究。
Many social behaviours in each step of it′s colony life circle are investigated by observing the natual life and culturing the colony in lab.
饲养密度：在育雏阶段是指单位育雏面积上饲养的雏鸡只数。
Breeding density: brood stage is refers to the unit in the area of feeding bird-flu brood only number.
可见，阶段饲养新技术充分发挥了高产奶牛的产奶性能。
It is concluded that the phase-feeding bring the milking performance of high yield cows into for play.
本研究在第一次试验基础上，将筛选出肉用仔鸭0 ~2周龄阶段的基础日粮优化配方与两个不同类型的预混料配方进行组合，采用饲养试验方法，研究出0 ~ 2周龄阶段肉用仔鸭预混料及全价日粮优化配方。
On the basis of the first experiment, two optimum basic diet formula for meat ducklings aged from 0 to 2 weeks and two different kinds of feed additive premix formula were combined.
限饲饲养广泛应用于家禽、猪等动物的特定生产阶段，可有效提高机体的免疫机能和抗病力。
Feed restriction has been widely used in specific production phase of poultry, pigs and other animals, and it can effectively improve body immune function and disease resistance.
然而，处于半 野生状态的驯鹿，现阶段还不能适应圈养和舍饲，于是驯鹿和饲养驯鹿的主人们重返森林，继续着他们千百年来的生产生活方式。
However, the reindeer often in half-wild state could not accustom to be tamed in fence or house, so the tamer and the animal had to return to the forests and go on the long lasted life.
然而，处于半 野生状态的驯鹿，现阶段还不能适应圈养和舍饲，于是驯鹿和饲养驯鹿的主人们重返森林，继续着他们千百年来的生产生活方式。
However, the reindeer often in half-wild state could not accustom to be tamed in fence or house, so the tamer and the animal had to return to the forests and go on the long lasted life.
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