非洲雁苗批发-焦作非洲雁苗-西彦孵化厂有保障(查看)

从八个方面可以看出鸡，鸭，鹅的健康状况。 1.健康活禽冠，肉质红，冠直立，非洲雁苗价格，肉质柔软。健康的活鸟有一大眼睛，焦作非洲雁苗，眼球灵活，没有分泌物。 3.健康的活禽口紧闭，干燥。健康的活袋里没有气体，水和食物。健康的活禽靠近身体，羽毛紧实，整洁有光泽。 6.绒毛附近的健康活家禽门是干净的，帮派门是干燥和微红的，没有粪便附着力。 7.健康的活家禽胸肌充满弹性，略带红色。 8.健康的活家禽爪强壮有力，非洲雁苗批发，可自由活动。

The cold insulation performance of the duck house should be excellent. The roof should have ceiling or heat insulation. The north wall should not leak air. The height of the eaves is 2.6~2.8 meters. The ratio of window to ground area is 1:8. The area of the south window is comparable. The north window is 1 times larger， the south window is 60-70 cm above the ground， and the north window is 1 to 1.2 meters high from the ground. In order to make the summer well ventilated， the north side can open the foot and window. But without glass， only iron bars or lead wire mesh are installed to prevent animal damage. In the cold season， it is sealed with tarpaulin or plastic cloth to prevent air leakage. In addition to setting up drainage ditch， there is also a place for breeding ducks to lay eggs in the evening. Single-row type duck house， the walkway is on the north side， the drainage ditch is next to the walkway， the barbed wire or wooden strip is covered， the drinker is placed on the wire mesh， and the south side is on the side of the wall. The terrain is slightly higher， and the nest box can be placed. The egg laying box is 30 cm wide and 40 cm long. It is nailed with wooden boards， without bottom， and the front is lower for the ducks to enter and exit. The other three sides are 35 cm high， and the bottom of the box is covered with wood chips or short clean mats. Each box can be used for 3 egg type ducks or 4 meat type ducks.xx

不同年龄雏鸭的率差异很大。随着年龄的增长，小鸭体内的病毒可以增强，并且si的率降低。 6.该病主要与甘，沙门氏菌，曲霉菌，锯缘青蟹和黄病毒混合或。 7.发病率高达100％，可导致95％至100％的雏鸭。这种疾病全年都在发生。大多数小鸭突然发病，表现出抑郁，食欲不振，头部下垂，后出现神经系统症状，如抽搐和颈背。他们不在路上，眼睛半闭，半闭，显示，脚不稳，颈部呈拱形。背部表现为运动障碍，身体转向一侧，翅膀下垂，两只脚反复踢。在颜炎正的陪同下，有不同程度的腹泻，绿色或白色液体稀薄的粪便，泄殖腔常有粪便，并迅速。