1. 23 Avian leukosis in egg-type chickens is infectious neoplastic disease caused by avian leukosis viruse subgroup J( ALV-J).

2. (iii) the agar gel immuno-diffusion test for enzootic bovine leukosis,

3. 13 These results showed that the subgroup J avian leukosis virus infections existed in the layer populations in Hubei Province, but the infection rates were different among the 4 breeds.

4. In case of haematopoietic illnesses (acute leukosis), thyroid gland illnesses (adenoma, cancer), diseases of other organs and malignant tumours, children and teenagers have the right to assistance as stipulated in article # of the present law

5. In the case of serious illness of haematopoietic organs (acute leukosis), the thyroid gland (adenoma, cancer) and of other organs with malignant tumours, children and teenagers have the right to facilities provided under article # of the present Law

6. In the case of serious illness of haematopoietic organs (acute leukosis), the thyroid gland (adenoma, cancer) and of other organs with malignant tumours, children and teenagers have the right to facilities provided under article 7 of the present Law.

7. In case of haematopoietic illnesses (acute leukosis), thyroid gland illnesses (adenoma, cancer), diseases of other organs and malignant tumours, children and teenagers have the right to assistance as stipulated in article 7 of the present law.