Translations:Basic Field Epi: Course Resource Book/237/en
{{example|Soleh vaccinates his chickens against newcastle disease virus (NDV). A month later he introduces some unvaccinated chickens into his flock.
{{example|Soleh vaccinates his chickens against newcastle disease virus (NDV). A month later he introduces some unvaccinated chickens into his flock.
Halaman ini terakhir diubah pada 27 Maret 2015, pukul 17.40.