发明授权
US4233939A Poultry cage feeding system 失效
家禽饲养系统

Poultry cage feeding system
摘要:
A cage battery e.g. for chickens wherein the feeding assembly extending in front of the cage row consists of a feed conveying trough containing a conveyor element and a separate feed trough extending parallel with the conveying trough and recessed into the bottom of the cages.
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