Piglet yellow and white pupa is also the piglet jaundice and piglet white pupa, both diseases are caused by pathogenic E. coli. If the prevention and treatment measures of these two diseases are not timely, they will eventually lead to a large wholesale disease or even death, which will bring huge economic losses to the farms and farmers. Let's learn about the causes and prevention measures of piglet yellow and white diarrhea.
1. The incidence of yellow and white piglets
1.1 Piglet White Pelican
Piglets have more onset in piglets that are less than a month old, especially piglets from 10 to 20 days old. The incidence of piglets is more severe in January and above. The incidence of white piglets is higher, which can reach more than 30%. If not enough attention is paid, the fatality rate can reach 50%, causing huge losses to the farmers.
1.2 Piglet jaundice
Piglet jaundice is more common in piglets within one week of age, and is affected by the climatic environment. The continuous rainy weather will greatly increase the incidence of the disease, and it has the characteristics of acute morbidity and high mortality. Piglets produced in primiparous sows are highly susceptible to disease, and piglets produced by sows are less likely to develop.
2. Causes of the disease
2.1 sows have fewer births
The incidence of yellow and white mites has a great relationship with the parity of the sows. As the number of sows increases, the chances of diseased piglets will decrease. When the sow is infected with the disease, it can form a corresponding immune response system in the body. The corresponding maternal antibody will appear in the breast milk. Therefore, the breast milk can improve the immunity of the piglet and improve the defense ability of the piglet to the disease.
2.2 The environment of the pig house
The body regulating function of newly born piglets has not yet fully developed, resulting in insufficient immunity and being susceptible to the external environment. Although E. coli in the intestine of pigs is a normal flora, it may cause pathogenicity for some reasons. If the environment of the pig house is poor, the manure containing the pathogenic bacteria will not be removed in time, and the pathogenic bacteria will adhere to the pens and sows, causing the pollution to be indirectly transmitted to the piglets. The digestive system and immune system of the piglets are still not perfect and cannot be effective. The killing of pathogenic bacteria invading the body causes the bacteria to multiply in the intestines, disturbing the digestive tract function of the piglets and causing diseases such as diarrhea. In the summer and autumn, the climate change is obvious, and the adjustment ability of the pig house is poor, resulting in uncontrolled temperature and humidity, which can easily lead to sick pigs. The environment in the pig house is dark and damp, and poor drinking water and germs can cause yellow and white piglets.
2.3 Improper feed selection
Postpartum sows consume a lot of energy. If the lack of essential nutrients in the feed can result in insufficient sow milk secretion or poor breast milk quality. If piglets are unable to obtain sufficient nutrients and trace elements from breast milk, they will also induce yellow and white sputum.
3. Symptoms
3.1 Clinical symptoms of piglets
The clinical feature of piglets after pubic palsy is sudden diarrhea, which is about five to six days. After the illness, the piglets were sluggish and the weight loss was obvious. The stool is abnormal, the stool is too thin, can not be formed, the color is white, and in severe cases, there will be a pungent smell and bloodshot. The skin of sick piglets is darker than normal piglets, accompanied by chills and loss of appetite. The anatomy of the sick piglets revealed that the intestinal mucosa was congested or even shed, and there was bleeding at the fundus.
3.2 Clinical symptoms of piglet jaundice
Because of the rapid onset of jaundice, some piglets will develop after 12 hours of birth. The specific clinical symptoms are that the piglets are weak, accompanied by diarrhea and a large smell of feces. Piglets have obvious dehydration, no appetite, can not actively suck breast milk, and eventually lead to piglet failure and death. The anatomy of the sick piglets revealed inflammation of the intestinal mucosa, and the liver and kidney organs also had lesions, and the lymph nodes showed swelling.
4. Comprehensive control measures
The incidence of yellow and white piglets is mainly caused by poor sanitation and poor management of pig farms. In order to reduce the incidence of piglets, we can strengthen daily feeding management, timely timely heatstroke prevention and cooling measures in the summer when the incidence is high, and pay attention to the insulation of the pig house in winter to prevent the environmental temperature fluctuation of the pig house from causing disease. Also pay attention to the sanitary conditions of the pig house, remove the feces in time, and carry out regular sterilization activities to reduce the proliferation of pathogenic bacteria. It is also possible to adopt self-property and all-in-one feeding methods to reduce the infestation of foreign pathogenic bacteria.
4.1 Strengthening the management of sow feeding
Sows should provide a nutritious and comprehensive feed during pregnancy and quality and quantity. Within a few days before the sow is about to be put into production, the concentrate can be appropriately reduced to ensure that the emulsion concentration of the sow is appropriate, so as to prevent indigestion of the piglets. It is also necessary to carry out disinfection work before delivery to ensure the cleanliness of the pig house. The sow's genitals and breasts should also be cleaned and a small amount of lotion should be squeezed to prevent bacterial infections in the piglets. Daily drying and cleaning of the pig house where the sow is located is also required after the birth.
4.2 Strengthen piglet feeding management
Insulation of newly born piglets can effectively reduce the incidence of yellow and white mites and improve the survival of piglets. An incubator can be placed in the pig house to set a suitable constant temperature depending on the different stages of the piglet. Also ensure that piglets eat breast milk as early as possible to obtain maternal antibodies.
4.3 Vaccine prevention and drug treatment
It is necessary to prenatally inject a three-valent inactivated vaccine against Escherichia coli in pregnant piglets so that the sows produce antigen in the emulsion, so that the piglets produce antibodies after smoking.
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