| 1. | Effect of dietary daidzein on immune function in laying hens 大豆黄酮对产蛋鸡免疫功能的影响 |
| 2. | Formula feeds for replacement pullets , layers and broilers 产蛋后备鸡产蛋鸡肉用仔鸡配合饲料 |
| 3. | Formula feed for replacament pullets , layers and broilers 产蛋后备鸡产蛋鸡肉用仔鸡配合饲料 |
| 4. | Concentrate feeds and trace mineral premixes for broilers and layers 肉用仔鸡产蛋鸡浓缩饲料和微量元素预混合饲料 |
| 5. | Effect of feeding different oils to laying hens on the lipid content and fatty acid composition in egg yolk 产蛋鸡饲粮中不同油脂对蛋黄脂质含量和脂肪酸组成的影响 |
| 6. | In the same time , the growth of the egg - laying poultry s germinal organs slowed down or even stopped 同时,机体免疫器官发生广泛损伤,产蛋鸡生殖器官发育迟缓或停滞。 |
| 7. | This time aiv is charactered as dying suddenly and highly death rate . the subject is involved all ages from just hatch from eggs 3 days " chicken to the hen 此次禽流感大流行以突然死亡,高死亡率为特征,涉及的对象从刚孵化3天的小鸡到产蛋鸡,各日龄阶段的鸡只均有发病。 |
| 8. | One group was immunized with cdv vaccine , and the other group was cav . serum samples and eggs were collected weekly for detected antibody titers . high titer egg yolk was collected for following igy extraction 分别用cdv 、 cav的疫苗免疫产蛋鸡,每周检测鸡血清和卵黄中的抗体水平,收集抗体水平高的鸡蛋用于提取纯化卵黄抗体igy 。 |
| 9. | Limit cottonseed meal with high gossypol content to 5 % of the layer diet ( recent work indicates that up to 10 % of some solvent - extracted cottonseed meal products can be safely used as they have low levels of gossypol due to newer varieties and improved processing ) 要限制高棉酚的棉籽粕在产蛋鸡日粮中的用量不超过5 % (最近有研究表明,一些用浸提工艺处理的棉籽粕可以用到10 % ,因为经过一些新品种以及加工工艺的改善,可以降低棉酚的含量) 。 |