These are signs of poor immunity in poultry

Poor immunity of poultry has a great impact on chickens. How should we distinguish and how to prevent it?

一.The manifestations of low immunity in poultry are as follows

1. The spirits of the large group are normal, and there are sporadic casualties in some cases.
2. Slow growth and development, uneven individual development, and pecking addiction.
3. The intestinal function of chickens is disordered, the feed is too thin, the absorption rate of nutrients is low, and 3 taels are wasted after eating 1 catties. The ratio of meat to meat is high, and the cost increases.
4. The resistance to bacteria and viruses is decreased, and it is easy to contract diseases.
5. Being in a state of stress for a long time is prone to slow breathing.

二.Factors that cause poor immunity in poultry

1. Mycotoxins: The harm of mycotoxins to animal production performance is well known. Acute mycotoxin poisoning can show obvious disease state, while chronic mycotoxin poisoning is more manifested as poor production performance of livestock and poultry.
2. Immunosuppression; Immunosuppression is a temporary or permanent state of the body’s immune response disorder, which is caused by damage to the immune system and leads to an increase in susceptibility to disease, so it often causes the body to contract diseases and lead to a large mortality rate. increased, the production performance decreased significantly. For example, the onset of immunosuppressive diseases is relatively slow, and the incidence rate varies greatly; most of them do not show clinical symptoms or clinical symptoms are not obvious, and only a few show low mortality.
3. Nutrient Deficiency; Generally, two types of interactions occur between nutrition and immunity.
3.1 Nutrition can affect the immunity of birds and thus the resistance to infectious diseases;
3.2 The immune response caused by infectious disease stress in turn affects the body’s growth, reproduction, metabolism and nutrient requirements. In the young stage, the animal body and immune system and lymphatic organs are developing rapidly, so the lack of nutrients has a significant effect on the immune system.

Pay attention to the sounds in the chicken coop！

三. Chicken house management

Management practices such as ventilation, bird density, house conditions, and daily flock house emptying and cleaning can negatively impact flock immunity and increase farm stress.
1. The impact of poor air circulation on immunity. When chickens are forced to breathe foul air, the immune function of the respiratory mucosa collapses due to overload.
2. Vaccination; itself is a kind of stress, a brutal immune operation, which further reduces the immune response ability of chickens.

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