The poultryman or farm manager frequently has difficulty in assembling a crew of people who are available and knowledgeable about handling poultry. 养禽业业主或鸡场经理经常不易找到懂得管理家禽的人。
The Eimeria species, causative agents of the disease coccidiosis, are genetically complex protozoan parasites endemic in poultry. 摘要鸡球虫病是严重危害养禽业的一种寄生虫病。