It has been reported that piglets are feasible at 35-42 days of weaning. The test confirmed that early weaning of piglets had no adverse effects on litter size, growth and development of piglets, piglet rearing, and finishing performance.
Second, timely weaning
Early weaning of piglets is feasible for improving production levels. Research data showed that weaning time was advanced to 35 days of age and had no adverse effect on sow's useful life, piglet production, and fertility.
Third, sow management
Firstly, the production sows are organized and mated according to the breeding plan, a detailed pregnancy feeding and management plan is formulated, the estrus period is accurately identified, and breeding is carried out at the right time; secondly, the boar management is strengthened to ensure the high breeding ability and the supply of excellent semen is used for breeding; When the sow is not matched, take remedial measures in time to make it estrus and breed. If it does not cure for a long time, consider eliminating it.
Fourth, pay attention to piglet breeding
The ration used must be full of nutrition, and it is necessary to ensure the balance of feed ingredients in order to meet the growth and development needs of piglets after weaning. It is suggested that the proportions of the feed formula are: protein content 18%, fat content 3%, cellulose content 4%, calcium content 0.7%-0.9%, phosphorus content 0.6%-0.8%, and moisture guarantee 13%.
Five, all in and out
In order to implement this system, the design of pig houses, the area used for pigs, the arrangement of beds, etc. must all be made in accordance with a certain production process. If there is a problem in one of the links, the entire process will be run improperly and the basic requirements cannot be met.
Sixth, preferred breeder pig
The selection of a batch of pigs with mixed rafts and severe separation in the aquiculture management will result in large, small, and small pigs in the breeding process, and it is difficult to achieve full-entry and full-out. Therefore, in the standardization of lean-type pig breeding, the selection of pig species must be standardized.
Seven, full price with diet
Standardization of feeding, try to use the full price with the diet, to maximize the production potential of breeding pigs, in order to achieve the cultivation standards. If the use of full-price diets does not meet the ideal fattening standard, it may be considered as a problem of pig breeds.
Eight, temperature and humidity control
Under normal circumstances, the appropriate temperature control of newborn piglets: 3 days of age set at 32 ~ 30 °C, 4 ~ 7 days of age set at 28 ~ 30 °C. Strictly controlled within this temperature range, too high or too low will not be conducive to piglet growth. Studies have confirmed that poor ventilation and inadequate temperature control are important causes of piglets' poor growth and development and stiff pigs.
Nine, high bed birth and online cultivation
1. High-bed birth. High-bed litters are used, a nursery rack is placed on the net bed, a sow lying area is at the bottom of the nursery frame, piglets are placed on both sides of the nursery bar, and the piglets are lying on one side for rest. There is also a sow trough on the net bed. Automatic feeding boxes and drinking fountains for piglets, infrared lamps, soil heating, and ventilation fans are also provided in the rooms to ensure that sows and piglets have a good living environment.
2. Piglets are bred online. Reinforced welded steel mesh and rebar mesh use better. Each breeding bar has a metal automatic food box and an automatic drinker. The weaned pig house is a window-closed pig house with a full-bed wide manure ditch with a length of 2 meters and a depth of 0.8 meters. The manure is regularly removed and a ventilation fan is installed. When the weather is cold, the window is covered with plastic film and the soil heating is installed.
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