It is necessary to ensure that the crude fiber in the straw is decomposed under the action of ammonia for a certain period of time. Therefore, the fermentation time of the ammoniated straw should be controlled according to the temperature conditions in different seasons.
Careful identification of the quality of quality aminated straw is mainly through sensory identification. The ammoniated straw is brownish in color, has a scent, has a strong ammonia smell, and is soft in texture. The ammoniated immature stalks have the same flavor as the ordinary stalks, the ammonia smell is light, and the texture does not change significantly. Older ammoniated straws become darker in color and fade in ammonia. If the plastic bag leaks from the straw, it will become moldy, the color will become white, gray, and even black with agglomerates and accompanied by rotten flavour. Such straw must not be used as feed.
Free intake, the appropriate amount of ammoniated straw is almost the same as ordinary straw feeding method, advocating free food intake. Due to the good palatability of ammoniated stalks, most cattle are very fond of it and can completely replace non-ammonified straw. Individual cattle are extremely sensitive to ammonia and can initially incorporate 1/3 to 1/2 unamended straw, but the amount of aminated straw is appropriate to account for 40% to 60% of forage.
Dispense ammonia before discharge and remove it from the ammoxidation tank as required, and put it in a cool place to disperse ammonia. Sunny days to dry 10 to 12 hours, overcast and rainy days need to dry more than 24 hours to disperse the ammonia after ammoniated straw slightly ammonia smell and not to stimulate the eyes and nose better. However, do not leave it dry so as not to affect the feeding effect of ammoniated straw. Ammoxidation tanks should also be sealed after each withdrawal. Ammoniated straw can be stored in the pool for a long period of time. However, it is necessary to frequently inspect rodents, human and animal trampling, wind and rain, etc. to damage the behavior of plastic sheeting. It is found that the holes should be sealed with tape in good time.
With supplemental feeding, due to the increase of energy and non-protein ammonia in ammoniated straw, when feeding ammoniated feed, it is necessary to properly match non-degradable proteins such as bean cakes, cotton cakes, and distiller's grains, and supplement them with vitamins and minerals. Feed to ensure the metabolism balance of the carcass.
The difference between the use of ammoniated straw can only be used as a ruminant feed for cattle and sheep. The effect on pigs is extremely poor, and non-weaned calves and lambs must be used cautiously because the microbial ecosystem in the rumen has not yet fully formed.
Observe and adjust the symptoms such as due to improper feeding found that cattle and sheep have reduced or stopped rumination, excessive saliva secretion, anxiety, trembling, unstable gait and other symptoms of ammonia poisoning, should immediately stop feeding cattle and sheep to outdoor ventilation and shade. At the same time, 1 kg of vinegar, 0.55 kg of sugar, and 3 to 5 kg of water are fed to relieve symptoms of ammonia poisoning.
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