| 1. | 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。 |
| 2. | A few showed active response to vaccination as 18 days of age
一些实验表明最早在18日龄免疫是有效的。 |
| 3. | Chicks for meat before 2 - day old
二日龄前之肉用雏鸡。 |
| 4. | 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。 |
| 5. | In a 20 - day old larva , all harmone cells in the pituitary have differentiated
20日龄稚鱼脑垂体内各种激素分泌细胞完全分化。 |
| 6. | 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。 |
| 7. | Effect of epidermal growth factor and insulin - like growth factor on endocrine functions of 21 - day weaned piglet
对21日龄断奶仔猪内分泌功能的影响 |
| 8. | A low level of cpges immunostaining was detected in oocyte cytoplasm on day 5 after birth
5日龄小鼠的卵巢中，卵母细胞质中有较弱的cpges免疫染色。 |
| 9. | Except for the gh cells in the ppd , no other hormone cells were found differentiated
11日龄稚鱼脑垂体中除ppd内gh细胞已分化外，未见其它激素分泌细胞分化。 |
| 10. | 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。 |
