The continuous development of animal husbandry has promoted the rapid development of the feed industry, and more and more accuracy and precision are required for the inspection and testing of feed. Feed inspection has become an important part of the control of product quality. In order to be able to evaluate the nutritional value of feed, this step is absolutely essential. This can also provide a scientific basis for the animal's nutritional needs. The crude fibre content in the feed is an important manifestation of its nutritional value, for which purpose the determination of this content can generally be determined using a coarse fibre meter.
After our analysis of feed nutrients for many years, we found that the particle size of the feed sample had a certain influence on the measured value of crude fiber, and therefore the formulation of the nutritional requirements of livestock was also affected. Crude fiber is the general term for all organic substances in feed which are insoluble in dilute acid, dilute alkali, ethanol, ether and water. It is made up of cellulose, hemicellulose, polypentose and inlaid substances, lignin, keratin etc. The crude fiber is the main component of the plant cell wall. It is determined only under certain conditions, and the prescribed capacity, a certain concentration, and a certain period of time are stipulated. After boiling, it is maintained at 2"7?@-, only under such mandatory conditions. The measured value is recognized, but our testers can not be ignored, the impact of the sample thickness on the measured value, in the national standard of% * +1 years, the sample requires a 3 "mesh sieve, found in our test There is a big difference between the results of the 3" and 3" screens.
The determination of feeds of different coarseness and fineness using a coarse fiber measuring instrument revealed that the determination was also carried out under specific conditions. Since the sample sizes were different, the measured values ​​were different, and the difference was extremely significant. Therefore, the coarse fiber content we have now measured is actually lower than the true value. The large or small particle size of the sample has a great influence on the measured value, and the particle size is too large. The damaged material cannot be destroyed, too fine, and the material that should not be destroyed is broken.
After our analysis of feed nutrients for many years, we found that the particle size of the feed sample had a certain influence on the measured value of crude fiber, and therefore the formulation of the nutritional requirements of livestock was also affected. Crude fiber is the general term for all organic substances in feed which are insoluble in dilute acid, dilute alkali, ethanol, ether and water. It is made up of cellulose, hemicellulose, polypentose and inlaid substances, lignin, keratin etc. The crude fiber is the main component of the plant cell wall. It is determined only under certain conditions, and the prescribed capacity, a certain concentration, and a certain period of time are stipulated. After boiling, it is maintained at 2"7?@-, only under such mandatory conditions. The measured value is recognized, but our testers can not be ignored, the impact of the sample thickness on the measured value, in the national standard of% * +1 years, the sample requires a 3 "mesh sieve, found in our test There is a big difference between the results of the 3" and 3" screens.
The determination of feeds of different coarseness and fineness using a coarse fiber measuring instrument revealed that the determination was also carried out under specific conditions. Since the sample sizes were different, the measured values ​​were different, and the difference was extremely significant. Therefore, the coarse fiber content we have now measured is actually lower than the true value. The large or small particle size of the sample has a great influence on the measured value, and the particle size is too large. The damaged material cannot be destroyed, too fine, and the material that should not be destroyed is broken.
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