Winter pig protection against "five fear"

A cold

The suitable temperature for pig growth is: newborn piglets 35-32°C, nursery pigs 26-20°C, medium pigs and big pigs 23-15°C. The effect of low temperature on growth and weight gain of pigs is extremely serious. When the temperature of the pig house is lower than the lower limit of the suitable temperature, the daily weight gain can be reduced by 17.8 g for each 1 °C decrease; if the temperature continues to fall below 4 °C, the increase in temperature will increase. Heavy speed can be sharply reduced by 50%, increasing feed consumption by more than 1 time. To this end, winter breeding pigs and pregnant pigs should take comprehensive measures to keep warm (such as pigskin covered with plastic film, etc.), feeding pigs and nursery pigs should be heated by heating equipment, geothermal, hot blast stoves, central control and incubators And other heating equipment to reduce the consumption of the body's metabolism in order to improve the efficiency of feeding.

Two afraid of the tide

Humidity generally does not affect the pig's weight gain at the appropriate temperature. When the ambient temperature is low, the relative humidity will make the pig feel cold. This low-temperature and high-humidity environment will seriously affect the pig's production performance, especially for young pigs. Piglets in pig houses with high relative humidity in winter have an average weight gain of about 48% lower than that of the control group, and are likely to cause diseases such as diarrhea and enteritis. The relative humidity requirements for different pigs are: 50-70% for piglets and 80-110 kg for finishing pigs 40-80 kg for finishing pigs, 80% for finishing pigs and 55-80% for breeding sows to prevent pigs Internal moisture, ensure dry, can be solved by ventilation, increase light, increase warm litter and other methods.

Three afraid of cool

The temperature of drinking and foodstuffs in winter pigs is closely related to the growth and health of pigs. If the water temperature and material temperature are 0°C, increase the temperature of these water and material to a body temperature of 39°C. The pig body will consume 682-878 kilocalories of heat energy, which means that 0.5-0.75 kilograms of sperm per day is needed. The material was consumed in vain to maintain body temperature. Winter sows feeding cold water can also cause miscarriage and other adverse consequences. Therefore, raising piglets and sows in the winter, it is best to feed warm and warm water, the water temperature is maintained at about 37 °C.

Four afraid of the wind

Pigs are most afraid of “dragon style” and “thief style” in the winter, because the two kinds of wind blowing into the pig house not only reduce the temperature, but also cause diseases such as swine cold, stroke and rheumatism. To this end, the winter barns must be wind-tunneled, hung curtains, paste windows, shut doors and windows tightly, and prevent rat holes, cracks, gaps, broken tops, door edges, window seams, etc. in the circle from blowing in. Affects pig growth and development.

Five afraid of disease

If the pig house is cold in winter, has high humidity, poor sanitation, and poor ventilation, pigs are susceptible to disease. Therefore, we must strengthen the feeding and management, keep the ventilation and cleanliness of the pens, clean and dry, regular irregular housing disinfection, it is best to use the flame disinfection method. At the same time to achieve "five observations", that is, the concept of form, view of the spirit, view of food intake, observation of excrement, breathing, once diagnosed as soon as possible, as soon as possible isolation treatment.

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