In 2006, the main maize producing areas in northern China experienced continuous rainy weather during the maturation period, and the corn was not completely dried. According to the author's observation in the farmers, the corn water purchased by the breeding shoulders was all over 17-18%, and the feed standard Requirements of corn moisture should reach 14% or less. This relatively humid corn was stored and fed, showing various adverse reactions in production. Here are some of the performance and countermeasures of the author's wind to the following briefly for the user's reference.
1. Due to the feeding of wet corn, the increase of feed intake, reduction of egg production, short peak hours, or no negative effects during the peak season, due to the feed energy, most of the design energy is 2650 kcal/kg. If corn moisture exceeds the standard by more than 4 percentage points, the total caloric energy provided by the full-price feed will actually be 2,550 kcal/kg, which will also affect production.
2. The corn with large water content has internal fever after storage period or after shredding and bagging, resulting in toxins. Chickens cause chronic accumulative poisoning after eating, resulting in poor mental status of chickens. Production rate drops by 10-30%. , resistance decreased, and susceptible to other diseases.
3. Recently, pig sows, sow edema, and vaginal prolapse have appeared on all pig farms. The cause of the disease is not known to the user. This phenomenon is mainly caused by the production of gibberellin during the storage of wet corn, which leads to the excessive secretion of hormones in pigs. We generally pay attention only to Aspergillus flavus and Penicillium rubra. However, due to the lag in the study of other bacteria, the information provided is relatively small. In addition, wet corn does not show mildew on the surface during short-term storage, so it does not cause enough strains for the fish farmers. Pay attention.
After the above situation occurs, the user must carefully analyze the reasons instead of blindly taking measures. The following options are available for users to refer to in practice.
1. Of course, the best way to deal with the negative impact of excessively high-moisture corn feeding on livestock is to not use this kind of corn. However, for users with limited conditions, it is necessary to take measures in order to ensure their production. Performance, the formula must be adjusted to increase the energy (metabolic energy) content of the full-priced feed. Some users only adopt the method of increasing the proportion of livestock and poultry concentrates is not scientific, but also do not achieve the purpose of improving energy, should increase the allocation of corn Ratio, and add grease to full-priced feed. We recommend adding 0.8-1.5% vegetable oil such as soybean oil and corn oil to the full price material. After testing, the effect is good. The effect is obvious in terms of increasing egg production and reducing feed intake.
2. For corn that has been fed mouldy or spoiled toxins, (because the corn looks good, it does not mean that the toxin does not exist, add to the mycotoxin is colorless, and do not think that the direct effect of the toxin is not seen on the results Failure to achieve the pathogenic effect, because the toxins will accumulate over time, the lesions are synthetic, rather than a single occurrence.For the pigs damaged by mycotoxin, do not leave for planting, because its ovaries, fallopian tubes and other reproductive organs have been affected Loss, production performance will also be greatly reduced.For acute poisoning, we must first add mold and fresh in the feed, add 1: 2,000 cupric sulfate in drinking water, and increase the amount of vitamins to increase their resistance, pigs Injectable urotropine, or sodium camphorsulfonate, and oral sodium bicarbonate or magnesium sulfate solution.
3, the treatment of herds should not be simply started from the aspect of Aspergillus flavus, but consider the following aspects:
One is the use of microbial agents, such as the bbsh797 formulation, which can produce a special enzyme in the animal's intestine that can be used to inactivate mycotoxins and eliminate toxicity.
The second is the potent treatment to completely decompose the accumulated mycinin in the animal, such as moldy Lexin compound preparation, demyelin and so on.
The third is to strengthen the detoxification function of the liver and accelerate the detoxification of toxins
Fourth, for uterine prolapse, surgical reconstruction should be performed, and Buqi Yiqi Pills and oral anti-inflammatory injections should be given.
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