Autumn animal husbandry must do "four defenses"
After entering the autumn, the temperature changes greatly, and the temperature difference between day and night reaches about 10°C, which will have an impact on the growth of animals. The temperature is too high or too low, which affects the normal growth of animals. Practice has proved that as long as appropriate measures are taken to maintain the proper growth temperature of animals, animals can also grow normally in the autumn; specifically, fall prevention measures should be prepared in advance in the fall:
First, cold:
1. Renovate the animal homes, block the area where the air leakage occurs, and use the straw or plastic film to prevent the cold wind from invading the animals.
2. Keep hay on the animals in the house and do not let the grass be damp.
3. Increase the stocking density in an appropriate amount to allow the animals to sleep and sleep, both to warm each Other and increase the temperature of the bar. Feed more heat-intensive feed to increase the body's calories.
4. Conditional farmers can build a greenhouse in the corner of the animal shelter. The size of the greenhouse can be determined according to the number of animals.
Second, disease prevention:
In autumn, animals are susceptible to diseases such as Eperythrozoonosis and animal streptococcal diseases, which can cause losses to farmers. Actively cooperate with the epidemic prevention personnel to do a good job in autumn animal epidemic prevention.
1. Animal eperythrozoonosis (erythroderma). The typical clinical symptoms are declining performance of the breeding stock, deterioration of the broiler's constitution, anemia, increased intestinal and respiratory tract infections, early psychosis of the finishing pigs, increased body temperature to 39.5-42°C, trembling or unwilling to stand, and outliers. Lying down, constipation or diarrhea occurs. Sickness of the ear, neck, chest, lower abdomen, the inside of the limbs and other parts of the skin red purple, finger pressure does not fade. The treatment of Eperythrozoonosis can be treated with blood worm net (Bernier), aphanelic acid in combination with long-acting oxytetracycline, supplemented with raw blood medicine or feed additives.
2, pig streptococcus disease. The disease is secondary to mixed infections. Animals have secondary colds
The disease will cause the body temperature of the sick pig to rise above 41°C, reduce or stop eating, conjunctival flushing, runny nose, and some pigs develop arthritis, claudication, crawling, or unable to stand; some have ataxia, empty chewing molars, etc. Neurological symptoms; sick pigs constipation after the first alternating diarrhea or constipation and diarrhea alternating, late breathing difficulties, often within 1 to 3 days of death. Treatment should be given as soon as possible. Streptococcus suis has been resistant to various antibiotics. The use of potent amoxicillin, ofloxacin, enrofloxacin, etc. can effectively control the disease.
Third, anti-mildew:
1. In the autumn, in addition to strengthening conventional feed management, the animals raised in the farm should pay special attention to the prevention of mildew in the feed, and should also make good use of animal feed reserves and fattening and fattening.
2. At this time, the appropriate temperature is a good season for animal growth and development. The use of supplements is green and succulent, and its feed sources are adequate. For example, sweet potatoes, peanut pods, and soybean stalks are good feeds after smashing or feeding animals after fermentation. Tubers, legume pods, etc. can be dried and crushed before being fed to animals.
Fourth, wind protection:
1. According to weather changes, the appropriate way to reduce the humidity of animal barns is to improve the ventilation of the animals. The most effective measure for ventilation is to open a ventilation hole on the ceiling of the animal shelter. It will be able to expel as soon as possible a large amount of moisture and bad gas in the house and exchange fresh air.
2, ventilation should be restrained, sunny, warm days and more ventilation, cloudy, cold days, less ventilation, ventilation and insulation to achieve the coordination and create a good home environment.
In fact, the ambient temperature felt by pigs is the combined effect of ambient air temperature, relative humidity, wind speed, heat radiation, etc. The appropriate ambient temperature varies according to different categories. For example, sows and piglets have large differences in temperature requirements. The temperature in the house mainly considers sows to consider piglets. Usually, the temperature is preferably 15-29 degrees Celsius. Newborn piglets are 30-34 degrees Celsius, and then drop by about 0.5 degrees Celsius daily; early piglets are used to raise early (about 3 weeks old) weaned piglets, initially 26-29 degrees Celsius, and then down about 1.7 degrees Celsius every week; piglets For feeding piglets 7-11 weeks old, the temperature in the house should be 21-27 degrees Celsius; the temperature in the finishing pig house and the pregnant sow house is 10-29 degrees Celsius; the breeding house should be 13-29 degrees Celsius.
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