Thirteen factors that determine flock uniformity

Thirteen factors that affect flock uniformity:

First, chicken breeds or strains

Chicken breeds or strains are congenital and can only be changed if the breeding is enhanced. The homogeneity of some specialized breeds or strains abroad is often high, and some domestic yellow-earth chickens have large variation and evenness within their varieties or strains.

Second, the difference in body weight between the chicks just arrived.

This is mainly caused by the varying size of the hatching eggs, and chicks of different body weights can be bred individually.

Third, chicken dehydration

More than 70% of the chick’s body weight is water. Early dehydration is mainly caused by improper hatching operations, late drinking, or long-distance transportation when the chicks are hot. This will reduce their early weight, and weight uniformity will be reduced within 1-2 days. The number of drinkers generally provided in the first 4-5 hours should be 150-200% of the usual amount, followed by feed.

Fourth, brooding temperature

Chicks have no feathers, only fluff, can not control their own body temperature, very vulnerable to cold, so crowded and even diarrhea without eating, their weight will drop, resulting in early weight loss uniformity.

V. Ventilation conditions

The exhaust gas in the brooding room should be discharged in a timely manner. At the same time, the introduction of a sufficient amount of fresh air, or its respiratory tract will be seriously damaged and susceptible to respiratory infections. Chicks have different levels of air sensitivity, and more sensitive chickens suffer more severe damage. Therefore, it must be ventilated and ventilated in time, but it is necessary to handle the relationship with insulation.

Six, eating characteristics

Chicks are interested in feeding large, tasty feed pellets. Selective eating can lead to imbalanced nutrition of the chicks, resulting in a decrease in the evenness of the flock. It is therefore not possible to feed broiler chicks with comminuted corn, which leads to selective feeding.

Seventh, trough, sink

Insufficient troughs and sinks will cause chickens to drink and eat unevenly. Especially in water, if there is any phenomenon of contending for drinking water in the flock, the evenness of the flock will decrease, and it is necessary to ensure that all chickens can obtain sufficient and clean water at any time, especially when the weather is hot.

Eight, feed quality

To ensure the quality of feed must be done four points: scientific feed formulation, high quality raw materials, feed pellets of appropriate size, and uniform mixing of raw materials. Any problems in any of the above steps will result in imbalance of dietary nutrition, selective feeding and even disease development, which will seriously affect the uniformity of the chicken population.

Nine, chicken density

Crowding is a short-sighted practice. This will cause chicks to grab each other's living space, compete for chutes and drinkers, and reduce the fresh air each chick can get. As a result, weaker chicks will suffer. Crowding also causes the chicks to be stressed. The symbiotic E. coli in the intestines will attack and cause complex diseases such as chronic respiratory diseases. These will affect the flock uniformity.

Ten, cut off

Inconsistent breaks cause the chicks to have different drinking and feeding rates, especially after limiting the feeding of the breeders. It is necessary to strengthen the unity of the operational norms of degrading people and to properly trim off the bad ones.

Eleven, grouping, transfer group

Dividing and grouping are effective means to control uniformity. Must be based on the uniformity of the test to determine whether the grouping, the general brooding period once, the breeding period of 1-2 times, twice the separation interval is valid for at least 4 weeks. Transferring groups is an auxiliary means of grouping and it is a daily work. If the group is well-tuned, the number of groupings can be reduced.

Twelve, feeding

This often occurs in artificially fed caged chickens, resulting in differences in feed intake, especially for restricted stocks. While feeding, the material in the feed trough should be evenly distributed so that the feed intake of the chicken is uniform.

XIII. Diseases

Any disease can seriously affect the uniformity of the flock. Diseases, especially respiratory infections, can start to jeopardize the chicks during transport. Breeding chickens of different ages on the same farm will greatly increase the chance of disease. Even if only 20% of the birds in the flock are affected, other chickens in the flock still suffer from subclinical diseases. Prevention is more important than cure, as long as the system of all-in, all-out, bio-safety, good nutrition and ventilation is adopted, most diseases can be prevented.

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