Many pig farmers have reported that the sows after their own production suddenly do not eat much, and some sows do not eat directly. Is this what is going on? To know that sows do not eat, the piglets can provide less nutrients. It is understood that the longest course of this symptom has reached two or three months, and the shortest is also ten days. Causes and solutions for pigs not eating after childbirth.
First, the cause analysis
1, variety
The sows of the first generation of sows that have been selected locally are more likely to suffer from postpartum non-feeding disease than the sows that have been selected after the birth of the third child. The onset time is 8-15 days after delivery, which is characterized by initial snacking. In the third and fourth days, the piglets are red, white, and thin. The sows are not willing to breastfeed the piglets. Most of the breasts are red-swelled and lying on the ground; the local breeds are sows. It is manifested in restlessness, less food, and more water. When the piglets are breast-feeding, the amount of milk is small, and then parked. The piglets are hungry and callable. The sows are sensitive to the surrounding environment. Antibiotics and antipyretic analgesics are effective for a small number of pigs.
2, age
Early-stage primiparous sows and old sows showed intermittent insufficiency or lack of food. They were treated with antibiotics and antipyretic analgesic needles. They relapsed after three or four days, and some even weaned due to stress, resulting in littermates. death.
3, seduction
Relevant experts analyzed 20 sick sows, suspected to be caused by hidden estrus, with boars as lure, only 5 were sensitive, willing to accept mating, 15 no response, even leave, boar also There is no desire to climb the sow, the course of disease is 10-13 days, most of which can be self-healing, with vitamin C, dilute estrone, vitamin B12, vitamin B6, once every minute, normal feeding after three days, normal breastfeeding.
4, breast examination
Breast examination of the sick sows, the milk in the three days of illness is slightly thick, the amount of milk is small, 20% of the breasts are hard, not red and swollen, the milk is three to six days less thick and thick, with milk Clot, breasts are hard, slightly red and swollen, body temperature rises °C, piglets are less breast-feeding, susceptible to red, white sputum, pig body weight loss, 60% more with antibacterial anti-inflammatory drugs, if supplemented with human biochemical soup oral, cure rate More than 90%, with sows through the milk or stop licking milk spirit, Zimu Kang, maternal An have a certain effect.
5, vaginal and uterine examination
Use the instrument to check the cervix and vagina of the sick sow, see the contraction is good, about 4% of the uterus has micro-inflammation, wash the pig with soda water, Reifol liquid every day, usually three to four days can resume normal mining food.
6, feed
Sows fed liquid feed within 4 days after birth are less likely to have the disease, while sows fed dry or semi-dry wet material are susceptible to onset 10-15 days postpartum, especially in high-protein concentrates or high-copper additives in the diet. It is easy to get sick, and it is the least sick with the soybeans mixed with soybeans, rice beans and corn.
7, feeding conditions
Dry and clean barns are less ill; less trees are raised than those in the field; less green and more raw materials are less likely to eat more concentrates; less prenatal maternal supplements have less incidence; Feeding through the milk within one week or one week after delivery, the incidence of milking and repairing the milk is higher than that of the unmedicated sow; the prevalence of postpartum or poor postpartum management makes the sow feed the prevalence of the placenta The highest is about 90%.
8, stranger interference
When a sow is born, if there is a living person, it will aggravate its nervous state, panic and anxiety, standing and not lying, the labor process is prolonged, the disease is relatively advanced, and some even have two to three days after birth, in the heat of calving The treatment is not cured, and the antibiotic combined with the stress response needle is effective.
9, prevention and treatment
Two or three days after the birth of the sow, the piglets are injected with nutrient needles such as hemoglobin, iron-rich or vaccination-immunized needles such as swine lyophilized bacteria, and the piglets scream for a long time, and the sows are chaotically smashed in the column, or Alcohol, iodine and other stimulating drugs to disinfect the skin and the bar, the sow is prone to postpartum non-feeding.
Second, take countermeasures
1. For sows within one week after delivery, high-quality high-protein liquid feed should be fed, high-copper and zinc-based feeds should be banned, feed should not be too full, and the principle of feeding less meals should be adopted. Juice feed.
2, for postpartum milk is less, you can use the drug sold in the market such as Tongru San, but try to use papaya, brown sugar and other Chinese herbal medicine hair cream, now available.
3, improve the environment, reduce the adverse effects caused by stress, such as piglets breastfeeding do not immediately rush to the sow or feeding, stimulate with bait; avoid strangers loudly talk; change the piglet nutritional supplement pathway, use the sow oral, through the milk Immunity.
4, the use of hormonal drugs for more than 20 days of aphrodisiac, promote the occurrence of pregnancy reactions, thereby changing the body's stress state, restore health, but should supplement vitamins and calcium preparations, so as to avoid adverse reactions.
5. Do a good job in the delivery of sows and strengthen nursing.
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