Hatching Eggs by Hens or in an Incubator

This Agrodok booklet describes two hatching systems and the possibility to hatch without a thermostat. 2 Copies 

出版物详细信息

• 已出版: 2004
• 出版者: CTA
• ISBN-10: 9072746686
• Dewey Decimal: 636.5
• ECHO 图书馆: 636.5 VAN
• ECHO亚洲书库: AB.015