It is the key for the majority of pig farmers to obtain good economic benefits to do a good job of feeding pigs, and the selection of commodity piglets is a prerequisite for good pig rearing. So how do you choose a product piglet?
First, choose from pig species
1. The improved varieties grow faster than the native varieties and should be selected as far as possible to improve the growth rate.
2. Lean pigs grow faster than fat pigs, with good meat quality and high feed utilization.
3. Hybrid pigs grow faster than purebred pigs and have heterosis.
4. The piglets produced by the high-yield male and female sows have faster growth than the piglets produced by the low-producing male and female sows. It is better to select the parent's production record (transproductive) of the piglets for the selection during the selection.
Second, choose from individual aspects:
1. Requirements:
(1) When selecting piglets, the body should be selected for major use. As the saying goes: “One or two babies are born, one pound of weaned milk, and a few dozen of catties are slaughtered at the same time.â€
(2) The physique is robust, the action is lively, and the tail swings powerfully. For piglets with large head and large hips and abdomen swelling, most of them are early malnutrition, growth retardation, or diseased pigs (such as white pupae). The finishing effect of pigs is not good.
(3) The development of the various parts of the body is uniform and good.
2. Method: "Eight look" selection method (refers to the selection of hybrid generation piglets):
When you look at your eyes, your eyes are big, prominent, and flexible.
Second, look at the mouth, asking for a mouth-shaped oblate, thin lips, flush lips.
Listen to the ear, the request is both large and thin, and it can be up and down or extend.
Look at the amount and ask for a forehead that is flat, slightly wide, and free of wrinkles.
Look at the nose and ask for nostrils.
Watching the foot six times requires that the back foot is tall and straight, and the back foot is frequently mentioned when eating.
Seven to see body, requires a long body, large waist straight.
Eight to see the chest, requiring sparse nipples, the connection was oval, chest wide developed.
Intestinal localization was administered to reduce adverse effects.
Targeted site-specific release:
Two hours in gastric juice will not disintegrate or crack, dissolve within thirty minutes of disintegrating juice, providing a perfect solution for protein and peptide drugs and probiotics.
Enteric coated gelatin hollow capsule is made of gelatin and enteric coating material in gastric juice it will not collapse, but will release in the intestines as a collapse of a target product . It is often used for special packaging of drugs and health cae products which are irritating to the stomach or unstable under acid, or dissolved and effected in the intestine.
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