The issue of breeding barriers for sows has always been a problem that plagues owners of pig farms. Sows are not estrus, long-term estrus after weaning, regrowth, miscarriage, stillbirth, etc. Many pig farms continue to occur for better control and prevention. In this type of problem, we have provided some analysis of the causes of sow reproductive disorders in the summer, and we hope to learn from the majority of pig owners. First, the sow reproductive obstacles in the main performance of the summer farms sows abortion, stillbirth, no heat, sympathy, fewer litter size, weak and so on. Common problems in sow production: postpartum triad (mastitis, endometritis, agalactia); repeated infertility, pseudopregnancy; no estrus, ecstasy; yellow and white piglets; Not neat. Second, the cause of causes of sow reproductive disorders Causes of sow reproductive problems in summer are: mycotoxin, blue ear disease, parvovirus, Japanese encephalitis, pseudorabies, endometritis, high temperature heat stress. 1. The control of mycotoxins has become the primary task for the control of reproduction barriers and the control of swine diseases in pig farms! The mycotoxin should be re-recognized now. In recent years, after the onset of pigs, clinical diagnosis and laboratory tests often lead to the following results: Blue ear disease, circovirus, swine fever, Haemophilus parasuis, etc. stable. After several twists and turns finally understand that the mycotoxin blame! Mycotoxin harm to sows: pregnant sows showed miscarriage, stillbirths, mummified children and postpartum estrus is not normal; newborn piglet eight legs, mortality increased. Young sows: The young sows have swollen vulva, increased uterine volume and weight, and show signs of estrus or labor. Lactating sows: The performance of a gradual antifeedant, the performance of persistent estrus or prolonged estrus cycle, affecting the survival rate of suckling pigs during lactation. Sows experience rectal and vaginal prolapse. 2. The blue ear disease is the pig farmer's most worried pig disease. The main manifestations are: miscarriage, stillbirths, and weak babies during the second trimester; common blue ear disease: fever or no fever, anorexia, flu-like symptoms, skin redness, reproduction obstacle. Highly pathogenic blue ear disease: Vomiting, neurological symptoms. Blue Ear disease drug health plan: Sow health care: Add 1,000 mg Wooni Kang + Fukansan 500g per ton of formulated feed, once a month for 7 days each time; Weaned pigs, Nursery pigs: Feed per ton Add 500-1000g of Lankangsan Powder and 1,000g of easy-to-disperse powder for seven days. In the later stage of nursery or middle-large pigs, add 1,000 grams of Wonikang and 400 grams of Pulmonary Clearance to each ton of formulated feed for seven days. 3. Abortion and mummification of pregnant sows caused by pseudorabies in pigs, mainly due to stillbirth. The number of neonatal piglets died (incidence on the second day, peaking at 3-5 days), and weaned piglets died (morbidity 20-40%, mortality rate 10 - 20% - neurological symptoms, diarrhea, vomiting), infertility in breeding pigs (during spring, difficulty in sow breeding in autumn, return rate up to 90%), boar swollen testis, atrophy, etc. The disease is controlled mainly by vaccine immunization. Sows: positive populations are immunized 3-4 times a year, negative populations are immunized twice a year; gilts are immunized twice before mating; boars are immunized twice per year; pigs: first Free: Intranasal 1-3 days old; Second exemption: 8-10 weeks old intramuscularly. 4. Porcine Parvovirus: Pregnant sows, once infected with PPV, can develop viremia and cause reproductive problems; placental infections occur with the bloodstream to the placenta, producing most of the stillbirths, mummies, and weak larvae; the sows themselves often There are no obvious symptoms; the performance of the sows during the period of pregnancy is different. Immunization procedures: gilts: generally 2 times, immunized twice at intervals of 3-4 weeks before mating; sows raised: if necessary, immunized once after weaning; boars: 6-7 months 2-3 weeks Inoculate 2 times, and then inoculate once a year. 5. Swine encephalitis B occurs at the end of the summer and early fall. This is determined by the media, mosquitoes. Symptoms: elevated body temperature (40~41°C), sleepiness, unwillingness to walk, loss of appetite, but hi drinking water, dry stools, and ineffective antibiotics. Abortion of pregnant sows, unexpired fetuses, stillborn or mummified, pre-producing pigs, some normal, some limbs can not walk, and some poor health, not a few days of death. The boar is mainly orchitis, with severe swelling, which can be 2 to 3 times normal, and is often swollen on one side. Preventive methods for vaccination, while doing a good job of mosquito prevention and mosquito control. Third, postpartum inflammatory control of sows 1, the feed to add melamine, milk anti-120 prevention; 2, intramuscular injection of amoxicillin sodium or ceftiofur sodium; prevention of endometritis with net uterus promote pregnancy perfusion, in particular It is summer. Fourth, the sows are not estrus, repeated infertility with the measures: 1, conventional adjustment: exercise, feed, light, boar stimulation (or boar semen, urine) 2, nutrition regulation: including limiting and feeding (View Physical condition), no mildew feed, no abuse of demycotic agent 3, endometritis, postpartum triad: use "treatment, conditioning, aphrodisiac" three steps: (1) treatment: systemic treatment: cephalosporin + general Treatment, intramuscular injection; Local treatment: uterine perfusion: net Palace pregnancy promoting fluid 200ml + oxytocin 4ml, usage: first irrigation liquid irrigation, to the vulva began to flow out syrup. (2) Conditioning: Mixing: Molinex + Powerful Detoxification, Usage: According to the instructions, feed the entire estrus interval. (3) Aphrodisiac: The first three days before the heat, the aphrodisiac was fed for 4 days, 1 pack/day, and the pig was given a chloropregnenol sodium (simultane, auxin, PG600) on the third night. 4. Hormonal regulation: (1) 200-300 μg of cloprostenol sodium and 1000 IU of maternal serum (PMSG), with heat in 7 days after injection. (2) If estrus is not possible, injection of aphrodisiac or chloroprednisone may be given 1 to 10 days after injection; (3) Note: gilts are naturally estrus after breeding twice. 5, estrus is unwilling Mating: Intramuscular aphrodisiac midwifery, but also for boars or artificial insemination; or forced mating when thick mucus. 6, to strengthen the pig's body surface and environmental sanitation work.
Syndromes of deficiency of Qi and blood (shortness of breath, laziness, white face, light tongue, or even deficiency of fat, weak pulse, etc.) can be used with Codonopsis Pilosula combined with Atractylodes macrocephala, Poria cocos, licorice, angelica, Radix Angelicae sinensis, Radix Paeoniae alba, and Ligusticum chuanxiong (such as Bazhen Decoction), in order to achieve the effect of both qi and blood Moreover, the previous experience believes that tonifying Qi can promote blood, strengthening spleen can help blood, so in the treatment of blood deficiency syndrome, Codonopsis pilosula is often used to tonify Qi and spleen to help blood. According to recent experiments, this product can increase hemoglobin and erythrocyte through spleen stimulation. In recent years, it has been used to treat various anemia with Angelica sinensis, Paeonia lactiflora, raw land and cooked land.
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