Corn with higher humidity is stored after storage and exhibits various adverse reactions during production. Now I will briefly describe the several performances and countermeasures I have encountered for the user's reference.
1. Due to the feeding of wet corn, the feed intake of the flock is increased, the egg production is reduced, the peak time is short, or there is no peak period and other negative effects, because the current design energy of the feed is mostly 2650 kcal / kg. If the moisture content of the corn exceeds the standard by more than four percentage points, the thermal energy that the full-price feed can provide is actually 2,550 kcal/kg, which in turn affects production.
2, the water of larger corn in the storage period or after crushing and bagging, there is internal fever, toxins, chickens after eating lead to chronic accumulation of poisoning, the emergence of flocks mental state of poor egg production rate decreased by 10-30% The resistance is reduced and it is easy to infect other diseases.
3, recently in the pig farms, the emergence of sows, sows, vaginal edema, vaginal prolapse, the user is still unclear about the cause. This phenomenon is mainly caused by the production of gibberellin in the storage process of wet corn, which causes excessive secretion of hormones in pigs. We generally only pay attention to Aspergillus flavus and red penicillium, and because of the lag of other bacteria, we can provide less information. In addition, wet corn can not see mildew on the surface during short-term storage, so it does not cause enough for farmers. Pay attention to it.
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. For the negative impact of excessive humidity on corn feeding livestock, the best way is not to use this kind of corn, but for users with limited conditions, measures must be taken to ensure their production. Performance, it is necessary to adjust the formula to increase the energy (metabolic energy) content in the full-price feed. It is not scientific for some users to adopt a method of adjusting the ratio of livestock and poultry concentrates, and it is not scientifically possible to increase the energy. Ratio and add fat to the full price feed. We recommend adding 0.8-1.5% vegetable oil such as soybean oil and corn oil to the full price. After the test, the effect is better. The effect is obvious from the aspects of increasing egg production and reducing feed intake.
2, for corn that has been fed with moldy or toxin, (because the appearance of corn alone does not mean that the toxin does not exist, the addition of mycotoxins is colorless, and do not think that the direct effect of toxins is not seen. It does not reach the pathogenic effect, because the toxins will accumulate over time, and the lesions are synthetic and concurrent, rather than single occurrence. For pigs damaged by mycotoxins, do not leave seeds for use because their ovaries, fallopian tubes and other reproductive organs have been affected. Loss, production performance will also be greatly reduced. For acute poisoning, first add mold to fresh feed, add 1: 2000 copper sulfate in drinking water, increase the amount of vitamins, improve its resistance, pigs Injectable urotropin, or sodium camphorsulfonate, and orally sodium bicarbonate or magnesium sulfate solution.
3, the treatment of pigs should not simply start with aflatoxin, but consider the following aspects:
One is to use microbial preparations, such as bbsh797, to produce a special enzyme in the intestines of animals that can inactivate the mycotoxin molecules to eliminate toxicity.
The second is to effectively treat the decomposition of the accumulated bacteria in the animal, such as mold and fresh combination, demycolin and so on.
The third is to strengthen the detoxification function of the liver and accelerate the detoxification function of the toxin.
Fourth, the operation of the uterus prolapse should be rectified, and the use of qi and Yiqi pills, oral injection of anti-inflammatory injections.
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