The immune status of chicken flocks is three commercial farms for newcastes disease and avian infectious bronchitis
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| Format: | Book |
| Published: |
Serdang :
UPM ,
1985
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| Subjects: |
| Item Description: | Thesis (Doctor of veterinary Medicine)-UPM, 1985 |
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| Physical Description: | vi, 22p. ; 29cm. |