Summer sow nutrition and management

The pig has no sweat glands and can't regulate the body temperature by evaporating heat from the skin. When the ambient temperature exceeds the optimal temperature range, the pig's heat production is greater than heat dissipation. In addition to enhancing respiratory evaporation and radiation heat, the pig also reduces body heat production by reducing feed intake. Adjust body temperature balance. When the body temperature balance of the body cannot be maintained by increasing heat dissipation and reducing heat production, the body temperature of the pig is raised and the appetite is reduced.

The four months of 6, 7, 8 and 9 are when heat stress is high. The feed intake of sows is generally reduced by 1/3. When more, the feed intake (daily) can be reduced by about 2 kg. Feeding in lactating sows in winter can reach about 6kg, while in summer it averages around 4kg. The nutrients needed for the sow milk are mainly from the feed. The decrease in feed intake will lead to insufficient nutrition, so the milk is less. When the feed is not nutritious, the sow mobilizes the body fat to produce milk, the milk is too fat (milk water), and the piglets are easy. When the nutrition is not enough, the sow has poor resistance, the antibody in the milk is small, and the resistance of the piglet is poor; the sow is thin during weaning, the estrus is slow, and the reproductive disorder is... So nutrition is fundamental.

Summer sows have low feed intake and must increase nutrient intake by increasing feed nutrient concentration. Therefore, it is best to use high proportion, high quality and high nutrient concentration of lactating sows in summer to improve milk and improve sow health. 612 adopts high nutrition level, and the same feed intake has higher nutrient intake; 612 also passes Jiuding's unique “cooking” process, high level of Lys content, high quality raw materials (imported fishmeal, homogeneous emulsified oil powder, etc.), attracting The agent, crushing particle size (600-800mm) and other ways to improve the palatability of the feed and the appetite of the sow. With the above advantages, 612 is suitable for summer lactating sows.

The use of the product, feeding management and disease will affect the effect of the product. 612 The following feeding management is required in order to maximize the performance of the sow.

1,612 material mode

1) 54+612 mode

612 feedstock: 20kg/head of primiparous sows; 24kg/head of sows.

Or 24 days before the birth - 50% of the full price of the finished bed with 612 (without bran formula) +54 full price of 50%

2) 515+612 mode

Feeding amount: 15kg/head of primiparous sows; 18kg/head of sows.

On the production bed---the full price of 612, the full price of 50%+515 is 50%

Note: 24 days before delivery to the delivery bed can not directly use 612 recommended formula 2 (breast-free formula), easy to make the sow partial fertilizer; it is best not to directly switch to 612 from 54 or 515, the extreme drop in nutrition will lead to Constipation or other stress (sows should reduce stress).

2, 612 feeding method

Note: Feeding in the summer when the weather is cool (feeding in the morning, feeding in the evening) and feeding 4 times a day are very helpful for the increase in feed intake.

3,612 feeding plan

Note: Do not let the sow too fat during the period of the fetus (too fat easily lead to fat deposition of the breast, dystocia, weaker litter, increased stillbirth at birth, prone to inflammation after childbirth, low postpartum feed intake, etc.) The carcass is 2.8 points for 90 days of pregnancy, 3 points for 105 days, and no more than 3.5 points for childbirth; the amount of feed for 3 days after delivery should not exceed the above maximum feed amount (the amount of feed exceeding the maximum feed amount will affect the late feed intake) Rapid rise); 612 can be fed in the summer after weaning, the feeding amount is about 1.8kg/day, and the leanness is appropriately increased (so that the sow can quickly estrus after weaning).

4, feeding management

Pay attention to cooling in summer (blower, wet curtain + exhaust fan + roller blind, ceiling plus insulation, dripping water in the head of the sow, greening); be sure to keep sufficient clean and cool drinking water (to prevent the water pipe from being sunburned), water flow The speed reaches 1.5-2.0L/min; the barn is quiet and dry (do not wash the delivery room at will), clean (cleaning the bed in time, no feces).

Sows must not fight up after eating, and at least let the sow drink water (postpartum sows, poor appetite, too lazy to move); conditional pig farms are best to use wet mix; pay attention to clear trough To prevent the feed from metamorphosis.

Corn and bran require low impurities and no mildew. When the quality is uncontrollable, please pay attention to adding mold remover (mycotoxin will cause miscarriage, stillbirth, postpartum inflammation and no milk). 2.5-3.0 sieve is required for crushing (too thick too Finely affect palatability).

Stir well during the ingredients (uneven mixing will lead to uneven nutrition and affect production performance).

Pay attention to the shelf life of 612 in summer, do not match too much at one time; 612 should be placed in a ventilated, cool, dry place. (to prevent affecting palatability)

5, make prenatal and postnatal care

1) Prenatal care

Thoroughly disinfect the front bar of the upper bed, disinfecting and deworming the sow on the day of the bed

1 hour before delivery, three washes

Clean the stool on the day of birth and postpartum bedtime

In vivo deworming is usually carried out in 3-4 months and September-October of each year, mixed with dingfeng (Ivermectin, fenbendazole) in feed for 1 week (4-5 kg), or 1% The ivermectin injection is administered subcutaneously at a dose of 1 ml/33 kg; it can also be dewormed as described above half a month before delivery or on the day of delivery. The body surface deworming is carried out on the day of the upper bed, and trichlorfon or Bite can be used.

1 week before and after childbirth: Mixing mother 50g / head. Add to the diet in the day or add 0.5% of the dose; also use Novartis's "Golden Sambo" (added to the trough), lignanmycin, cephalosporin, Linke + spectinomycin and sand star Among the materials, the principle of selection of antibiotics is to reduce the drug resistance by rotation.

3) Special care

First, the sows with inflammatory secretions from the vulva during pregnancy; the second is the sows with prenatal anorexia; the third is the sows with weak body weight; the fourth is the sows with stillbirth and mummies; the sixth is the abortion Sows; seven are sows with long labor.

Infusion in the mid-production (3-4 heads): the first bottle of supplemental energy, 10% glucose 500ml, VB120ml, VC20ml, angelica 20ml; the second bottle of anti-inflammatory, 0.9% NaCl 500ml, Houttuynia 20ml, antibiotic (levofloxacin, Amoxicillin, cephalosporin, Lin Ke + spectacular / neomycin, etc. according to the choice of the pig farm), if the sow is not productive enough, add 30 units of oxytocin in the second bottle, or multiple injections of muscle (3 -4 times, 10 units each time)

Wash the skin with 500-1000ml of normal saline on the 2-4th day after birth, and then use the effective drug to enter the uterus after 5-10 minutes. It can also inject 10-15ml of meconazole without the drug, or 50-100ml of Gongyanjing.

4) dystocia sow care

The labor is more than 3h or the interval between births is more than 45 minutes, which is judged to be dystocia. It is necessary to push the breast back and forward for midwifery; the muscle points are first injected with cloprostenol 0.2mg (1ml), and then oxytocin is injected (multiple injection, 3-4 times, 10 units/time, about 10 minutes) 1 time) or increase the supplemental energy solution

5) Individual care

Intra-productive disinfection, health care and care negligence resulted in the injection of PG: 0.5 mg/head, 1 time, and intramuscular injection of cefazolin sodium 2 g once daily for 3 days. For sows with abnormal feeding, intravenous injection of cefazolin sodium 2g + 10% glucose sodium chloride 500ml, Houttuynia 20ml + VC 20ml + Angelica 20ml + 450ml normal saline, intravenous injection, for 3 days.

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