Ventilation is done in closed broiler chicken house！

 The first ventilation. 

1. First ventilation time: closed chicken coop.

Spring and autumn we first ventilation time is generally in the third day of age, winter according to the house environment and the outside temperature to control the first ventilation time; summer, especially the rainy season, according to the indoor air humidity to freely adjust, if the humidity in the house for a long time more than 75%, you should consider early ventilation, otherwise the moisture within the chicken manure is too late to evaporate in time, resulting in chicken feathers are soaked through and pasted on the body, while also increasing the risk of high body temperature.

2. Amount of ventilation

The first ventilation is just a preview of normal ventilation to let the chicks get used to the air circulation, we can take mechanical ventilation or natural ventilation by opening small windows to do so.

For example, 20,000 chickens in a cage house, the first day with a large 1.4-meter fan can be set at 5 seconds every 300 seconds or a 1-meter fan for 10 seconds every 300 seconds, here we have to consider the drop in body temperature, if the humidity in the coop drops by more than 20%, the amount of ventilation should be reduced (for example, at 32 ℃, humidity drops by 20%, the body temperature drops by about 3 ℃). 

If we are a single coop, we can freely increase or decrease the amount of ventilation according to the good or bad environment in the coop. 

Bucket for trough material

 1. The first time you use the trough, we can appropriately increase the thickness of the feed and hand-draw the feed to the side of the trough with chickens, so that the chicks can easily feed

 2. Once you start using the trough, you should withdraw the bucket that has been eaten, otherwise some chickens will not go to the trough to look for food because they depend on the bucket.

 3. Paddle the leftover material to the side of the trough regularly, so that the chickens can develop the habit of eating the material from childhood.

Water line 

   1. The third day you can adjust the height of the water line according to the height of the chicks, 10 days before the height of the chicks drinking water should not be too high, the neck and the water line 45 degrees angle can be. 

  2. Flush the water line once at the age of 6 days, and then flush it once every time you eat a crop of medicine, and manage it diligently.

Weak or disabled chickens are picked out in time to eliminate, do not let it infect other healthy chickens in the flock.

Temperature

Drop about 0.7 per day, in 6 days of age to maintain at about 30.5, do not shy away from cooling, too high a temperature will affect the chicken's feed intake, resulting in 7 days of age weight does not meet the standard. 

Other: 3 days old by observing the feces, timely prevention of glandular gastritis. In many regions the onset of glandular gastritis is earlier than 7 days of age, pay attention to this.

Immunization and herd management at 7 days of age.

7 days old immunization and flock management. 

1.7 days old immunization (oil injection and live vaccine eye and nose drops) is a considerable stress for the flock. So 6-8 days of age can drink vitamins to reduce stress and at 7 days of age to raise the target temperature of the coop by 1 ℃, immunization in various ways, etc.

2.Such as immunization in the warm season, can be directly in the immunization when the flock, it is recommended to divide the middle and upper two layers, but also at 7 days of age and three layers are separated, of course, so divided in space is conducive to the growth of chickens and avoid the stress that may be caused by the second flock, but even in summer, the temperature difference between the lower and middle layers is often more than 2 ℃, if we can not balance the temperature difference between the lower layers, try to still bother a little more, and later down the flock.

Dividing time: the first flock in summer can be 7 days old, the second flock should not exceed 18 days old, spring, autumn and winter and other colder seasons, the first flock is often between 10-14 days old, the second flock between 19-25 days old, the degree of advanced equipment, the flock time is different.

The number of chickens in each cage of the first flock: two ways, each with advantages and disadvantages: one is to divide half to the upper layer (or middle layer), this division of the chicken density is the same, the flock uniformity is higher, the disadvantage is that the second division of the cage to be tired a little. The second is to divide one-third to the upper layer and two-thirds in the middle, the advantage is that the second division of the flock is convenient, the disadvantage is that the density of the layer chicken weight is small, uniformity is poor.

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