具有装精液和输精两种用途，80ml的每箱50包共500只，用于瘦肉型母猪的输精，其特点是瓶盖上有一个瓶塞，用于输精结束后插接输精管，防止精液倒流(80ml bottle is for large sow and its characteristic is that tere is a plug on the bottle cap for preventing semen backward from uterus by plugging inseminator after finish AI)