15-20 kg of piglets were purchased, kept for about 100 days, and their weight reached the slaughter standard of 90-100 kg. There are eight key technical points that must be considered for the rapid fattening of pigs:
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One, eliminating good poison
Before entering the column, in addition to doing a good job in preventing cold, heat insulation, ventilating, lighting, lighting, drainage, moisture proofing, cleaning, and removing fecal debris, the focus is to use 20% lime water suspension or 20% Bleach fluid completely sterilizes the pen.
Second, choose a good seedling
? Choose piglet packing, from the varieties to choose the binary cross-breeding pigs or pick the best "Duchangda" three-way hybrid lean-type piglets; from the group to select the weight of the standard, uniform piglets; from the individual You should buy a strong, lively, and willing piglet with a deep mouth and a thin white hair, and a round, rolling, feeding, and moving feet.
Third, the formula
According to the nutritional requirements of pigs at different stages of growth, feed formulations, 20-35 kg, per kilogram of feed containing digestive energy 3100-3200 kcal; 17-18% of crude protein; 35-60 kilograms per kilogram of feed containing digestive energy 2900-3000 kcal, crude protein 14-15%; 60-90 kilograms, digestible energy per kilogram of feed 2900-3000 kcal, crude protein 13-14%.
Four, drive insects
? Live pigs often come in contact with the ground. Feeding raw materials, they are susceptible to parasites, affecting pig development, gaining weight, and even causing death. Therefore, the purchased piglets must be dewormed in vivo. Anthelmintic drugs can use levamisole hydrochloride, 8 mg per kilogram of body weight, or with trichlorfon tablets, 0.1 grams per kilogram of body weight, mixed feed into the feed, the drug dose must be accurate to prevent poisoning.
Five, good stomach
After the pigs have been dewormed, each piglet uses 10 grams of soda tablets and is fed into the feed in the morning to feed gastric lavage. After two days, each piglet is fed with 5 grams of rhubarb soda tablets and stomach.
Sixth, playing a good needle
When the pigs entered the field, they were observed for 7 days without disease. The pigs were given the swine fever vaccine for the first time, and the paratyphoid vaccine was given to the pigs. After another 7 days, if there is no problem in the pigs, the pigs are given a second injection of erysipelas and porcine combined vaccine. After another 7 days, if there is no response from the pigs, the pigs will be given a third injection of Streptococcus suis. The injection and oral administration of the vaccine are strictly in accordance with the instructions on the label.
VII, go to good potential
• Both male and female pigs used for fattening must be castrated in a timely manner. After the piglets are castrated, their temperaments become docile, promote appetite, increase weight gain, and improve meat quality. Small boars should generally be emasculated before the appearance of male traits (such as climbing). The gilt should be castrated after sexual maturity, that is, after the first estrus.
Eight, timely and good column
It is uneconomical for pigs to raise more than 100 kilograms without slaughter. From the point of view of the development of pigs, the early growth is fast and the daily gain reaches a peak. After the peak period, weight gain decreased, followed by slow growth or even stagnation. When the finishing pigs weigh more than 100 kg, not only the feed remuneration is reduced, but the energy needed to maintain survival is greatly increased. In general, live pigs with a live weight of about 100 kg are the most suitable for slaughter, with a slaughter rate of 75%, a net meat rate of 66%, and good economic returns.
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