1, the meaning of conservation:

The general pig 21 to 28 days weaning, and then in the bed to be a week to transfer care, conservation in general to raise the age of 70 days under the bed, in the conservation time of more than 40 days; "conservation" stage is mainly for the conservation of piglets Survival, "development" to create a favorable environment and provide material conditions, to give care and care of piglets carefully care and "raising" to help its physical and functional development, promote its "physical and mental" healthy development.

Second, the conservation stage of several indicators:

Generally 21 days weaning weight to reach 6 kg, 28 days weaning important to 7.5 kg, conservation period of meat than the general in the 1.45 or so, the daily intake of about 600 grams, the daily gain of about 420 grams, 70 days of weight Target 25 kg.