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The egg production rate is high. This is because, in terms of the living environment of the laying hens, although each egg cage also raises 4 chickens, 4 chickens in the deep cage cannot be eaten at the same time, often the chicken in the back is Hungry people, who are often weak, are many, about a quarter, which affects egg production. According to the experiment, the average rate of egg production in shallow cages is 4.75% higher than that in deep cages. This means that a 200,000 laying hens (generally producing 4 to 5 million jin of eggs per year) can supply more than 200,000 jin of eggs per year. Each year, a net increase of more than 200,000 yuan can be made. Only this one can recover one-time equipment investment within 3-5 years.

The laying density of laying hens is higher, and cage feeding density is an important indicator to measure the economic efficiency of cage design. In chicken farms that are kept in shallow cages, the cage feeding density is relatively high, generally above 28/m2. Practice has proved that no matter which kind of cage cultivation method, the use of shallow cages has obvious economic benefits, especially the full-step cage cultivation is of special significance.

 

Layer chicken cage
Layer chicken cage

The mortality rate is low, because the feeding conditions of the laying hens in the deep cage and the shallow cage are not the same, and the movement of the laying hens in the layer chicken cages is different. The shallow cages are mostly moved back and forth, and the deep cages travel around the wall. The latter is more active than the previous one; the weak ones have the resentment of not being able to compete, and the result is a high number of diseases and a high mortality rate. According to the comparative experiment, shallow cages have a mortality rate of about 3.8% lower than that of deep cages.

The ratio of feed to egg is the first place in the production cost of laying hens. How to reduce the consumption of feed is one of the first measures for chicken farms to increase their profits. Especially in the case that China’s current feed supply is still not enough, how to reduce the consumption of feed is even more important. According to the experiment, the shallow cage is reduced in the amount of exercise of the chicken, the consumption of the feed is reduced, and the deep cage is overdose due to the competition of the chicken. Therefore, the feed consumption of the shallow cage can be reduced by 2.8% on average.

The low rate of broken eggs is mainly due to shortening the residence time of the eggs in the cage and reducing the chance of the eggs staying at the bottom of the cage. It has been observed that the longer the egg stays at the bottom of the cage, the more damage it has. The greater the chance of the egg staying at the bottom of the cage, the more severe it is. In addition, the dry shallow cage shortens the distance between the eggs and reduces the impact of the egg rolling down. Compared with the experiment, the shallow cage is about 2% lower than the deep cage.

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