In general, the addition of 2% to 4% fat to the broiler diet can significantly increase the daily weight gain. Addition of 1% to 2% fat to the feed during the laying period of the broiler also significantly increases the egg production rate and eggshell quality. Adding fat to feed can also overcome poor chicken production performance caused by high temperature environment. When adding fat to compound feed, mix well. Due to the high degree of oil-binding, it is difficult to mix with other substances. It is best to apply grease evenly to the feed to prevent it from sticking to the feed. The amount of fat in the compound feed should not be too high. Otherwise, due to the high energy value of the feed, the relative deficiency of other nutrients will cause the feed intake of the chicken to decline, and the production performance will be weakened. Oils added to feeds can be divided into animal oils and vegetable fats. Most of the vegetable oils are consumed by humans. Although they can be used as feed, they are expensive. Animal fats and oils are mainly bovine, mutton fat and chicken fat. They contain more unsaturated fatty acids such as linoleic acid and linolenic acid.
In the process of feed processing and storage, unsaturated fatty acids will react with oxygen in the air due to the effects of high temperature, ultraviolet radiation, etc., and become corrupted and deteriorated, resulting in decreased protein digestion and utilization. Even cause chicken diarrhea, liver disease and other adverse reactions. Therefore, when we use feeds with added fat, we should pay attention to the storage time should not be too long, generally can not exceed 1 month. If a certain amount of antioxidant is added to the feed, the oxidation reaction process can be slowed and suppressed, and the storage time can be prolonged.
In the process of feed processing and storage, unsaturated fatty acids will react with oxygen in the air due to the effects of high temperature, ultraviolet radiation, etc., and become corrupted and deteriorated, resulting in decreased protein digestion and utilization. Even cause chicken diarrhea, liver disease and other adverse reactions. Therefore, when we use feeds with added fat, we should pay attention to the storage time should not be too long, generally can not exceed 1 month. If a certain amount of antioxidant is added to the feed, the oxidation reaction process can be slowed and suppressed, and the storage time can be prolonged.
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