How to use pig premix correctly

1 feed additive classification

Supplying full-price feed to pigs aims to increase their feed conversion rate, which is the desire and requirement of the majority of breeders. Under the condition that energy and protein are basically satisfied, the use of appropriate amounts of amino acids, vitamins, trace elements and other additives can improve the full price of the compound feed, thereby reducing feed consumption, improving production levels and economic benefits.

1.1 nutritional feed additives

There are mainly amino acids, vitamins, minerals and so on. The use of such additives is to supplement the under-nutrition of the basal diet to achieve a balanced nutrient (ie full-price).

1.2 Improve feed quality additives

There are mainly antioxidants, fat inhibitors, fungicides, flavoring agents, etc.

2 pre-mixing precautions

The use of premix can improve the nutritional value of the compound feed, but the premix is ​​an intermediate product for the production of compound feed. The type and requirements of the feed vary greatly. It is difficult to fully consider the premix production. All kinds of full-price feed production are matched. To use live premix, pay attention to the following points.

2.1 Correct selection of models

The premix is ​​scientifically designed according to the nutritional needs of different pig breeds and their different growth stages, so the user should select different stages of premix according to the actual situation of the pig. Some users use the pig material instead of the piglet in order to be cheap, but I don't know that "the pig is 1 kg, the big pig is 10 kg". The lack of nutrition in the piglet stage will affect its later development. This is not worth the loss.

2.2 Strictly match the recommended dosage

Many breeders often change the recommended formula when using the premix. Some users can reduce the proportion of the premix in the batch to reduce the cost, so that the nutritional indicators can not meet the growth needs of pigs in different periods; some users Arbitrarily increase the proportion of premix, which not only increases the cost, but also causes poisoning. What's more, the premix is ​​used as "MSG", and the premix is ​​added to the full-price feed, which destroys the "full price" of the feed.

3 Avoid application errors

3.1 The darker the stool, the better?

The ratio of feed is reasonable, the pigs are well digested and absorbed, and the stool is good. The correct method of identification is to “look at it” and “smell one smell”, not only to look at the color, but also to look at the degree of moisture, hard or thin water-like stools are abnormal; in particular, pay attention to whether there are undigested corn and cake.粕 granules, if there are undigested granules in the feces, you can be sure that the feed is not completely digested, and the feed formula may be unreasonable; smell it again, and some pathological changes may cause odor in the stool; in addition, if the gluten is large in the formula, The vegetable meal will be a little bit more, and the stool will turn black. High copper can make feces black, but this is by no means the purpose of using high copper; at present, domestic and international studies agree that copper has a growth-promoting effect in the piglet stage (before 30kg), and the effect varies with environmental changes; In the diet, there must be sufficient protein, amino acid and a certain level of iron and zinc, together with the corresponding antibacterial drugs, in order to play a high copper growth-promoting effect; high copper is only several times higher than the required amount (ie copper content 125-250mg) /kg) can only play a role of fecal black, but more than 250mg/kg will make the liver accumulate a large amount of copper, causing pig poisoning, causing hemoglobin reduction and jaundice; excessive copper also affects hormone secretion activity, causing its activity to drop to a critical state .

3.2 Is the pig skin red?

Bright hair and rosy skin are healthy expressions of pigs. Skin red is divided into normal ruddy and drug red. Artificially added arsenic acid in the feed, and some unscrupulous manufacturers even directly add red arsenic or white phosphorus to make the pig skin rosy. The main purpose of adding arsenic acid is not to make the skin red, but to use its antibacterial and growth promoting effect. At low dosage, it has bactericidal, bacteriostatic, dysentery and growth promoting effects. If the dosage of the drug red is reached blindly, the arsenic poisoning will occur.

3.3 Can pigs eat and sleep?

In general, low-energy, low-protein feeds have high feed intake, high-energy, high-protein feed intake is low, and pigs are fully self-controlling to ensure their own nutritional needs. Such as big cockroaches, in fact, no nutritional value, or even a negative value, added to the feed, the feed intake will increase. Therefore, in addition to observing the environment and health conditions of the pigs, it is also necessary to pay attention to the quality of the feed (such as feed mold, soybean meal, calcium phosphate failure, etc.) and the proportion of miscellaneous cakes that affect palatability. As long as the feed intake of the pigs is reasonable, it should be very quiet; but if the stocking density is too high, the premix ratio is unscientific, the pigs suffer from skin diseases, and the pigs have insufficient nutrient intake or imbalance, the pigs will be excited.

3.4 granules are visible, is the price really real?

Many farmers believe that blue particles can be found in premixes. In fact, these particles are often unpretreated copper sulfate. The solubility and absorption in the gastrointestinal tract are poor. Poisoning in pigs. Some manufacturers in pursuit of high profits, the copper sulfate raw materials used are mostly large-grain crystals, without drying, pulverization and other treatment processes, the crystal size of the crystal is 1.5mm, large even 3.0-4.0mm, natural naked eye See "blue particles".

3 flexible use of recommended formula

To properly use the production formula, it can be prepared according to the product description, but it is allowed to make appropriate adjustments in view of the differences in the nutritional value of the pigs, the type of feed, the different origin of the raw materials, and the climate change.

(1) When used in soil pigs and binary hybrid pigs, the proportion of corn and soybean meal can be appropriately reduced, a part of corn can be replaced by secondary powder and rice bran, and some soybean meal can be replaced by vegetable meal and cotton aphid.

(2) Adjust according to the season. In winter, the proportion of energy feed such as corn should be increased, and the proportion of protein feed such as soybean meal should be reduced appropriately, but the crude protein should not fall by more than 15 percentage points. In summer, due to the decrease in feed intake, the proportion of energy feed such as corn should be reduced, and protein such as soybean meal and rapeseed meal should be increased. Feed ratio and appropriate increase in calcium content.

(3) If dried fish powder or casing powder is used, the amount of salt can be reduced. When the pigs are fighting, the salt can be increased, and the content can be increased to 0.5% or more.

(4) Correct selection of raw materials. Some users always purchase low-priced raw materials in order to reduce costs, but they are low in quality. For example, fishmeal, the true fishmeal has a high nutritional value, and once adulterated, it is better than not.

(5) Premix should not be used directly. When using the premix, it cannot be added directly. The double dilution method should be used and it should be stirred evenly.

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