នេះ Link មិន​មាន​ក្នុង​ភាសា​របស់​អ្នក, មើល​ក្នុង: English (en),
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www.cop-ppld.net/cop_knowledge_...ge_base/detail/

This is an article on the webpage of Community of Practice for Pro-poor Livestock Development (CoP-PPLD), an on-line sharing network for practitioners, managers, researchers and other actors involved in pro-poor livestock development.The article presents the results of a successful ACIAR program established in Africa to vaccinate village chickens against Newcastle disease.