1.
The maternal antibody at that point generally prevents any reaction to the vaccine.
1日龄雏鸡的母源抗体一般可阻止雏鸡对疫苗产生应答。
2.
Morphological study on neurons in layer H of optic tectum in 3-d-old chicks
三日龄雏鸡中脑视顶盖H层神经元形态研究
3.
Day-old vaccinations in the hatchery with either live or killed products have been attempted with limited success.
在孵化场使用活苗或灭活苗对1日龄雏鸡进行免疫效果有限。
4.
Studies on the Immunity Effect of Newcastle Disease Complex Vaccine in One-day Old Common Chick
新城疫复合物疫苗对1日龄雏鸡免疫效果的研究
5.
Effects of dietary riboflavin supplementation on iron absorption and accumulation of 28 day-old New Yangzhou chickens
日粮添加核黄素对28日龄新扬州雏鸡铁吸收和储存能力的影响
6.
Chicks reared under natural light are frequently debeaked at 1 day of age or a few days after delivery to the brooder.
在天然光线下饲养的小鸡，经常是在一日龄时或在进入育雏室后几天内断喙。
7.
arbor acre broilers were randomly divided into four groups,110 broilers each group.
选择同来源出壳1日龄的爱拔益加肉用雏鸡440只，随机分为4组，每组110只。
8.
Effect of Dietary High Fluorine on Immune Organs in Chickens
高氟日粮对雏鸡免疫器官影响的研究
9.
The Relationship between Nutrition Levels and Intake of Chicks;
肉用雏鸡日粮营养水平与采食量的关系
10.
Mechanisms of the Immune Functional Impairment Caused by Dietary Selenium in Chickens
日粮硒对雏鸡免疫功能影响的机理研究
11.
Group 3 kill 10-day and 15-day chicks, their pathological changes are very clear.
试验3组鸡,10日龄、15日龄宰杀时病变很明显。
12.
Supplementation of the Maternal Diet with Various Carotenoids: Effects on the Antioxidant System of the Developing Chicks
种母鸡日粮中添加类胡萝卜素对雏鸡抗氧化性能的影响
13.
The hen rears her brood.
母鸡孵育一窝鸡雏。
14.
The hen sheltered her chickens under her wings.
母鸡用翅膀保护鸡雏。
15.
Not all chicks were capable of responding to vaccination at the same age.
鸡只不会在同一日龄对免疫有应答。
16.
Effects of Chicken Infection Age on Coccidia Single Oocyst Separation
感染鸡日龄对球虫单卵囊分离的影响
17.
Research on the Requirement of Met for 21～42 Days Broiler;
21～42日龄肉仔鸡蛋氨酸需求量的研究
18.
Effects of High Dietary Selenium on the Proliferation Function and Subset of Peripheral Blood T Lymphocyte in Chickens
日粮高硒对雏鸡外周血T淋巴细胞增殖功能和亚群的影响