Feed formulation design ideas

Feed formulation design work is a very interesting, very logical work, but also contains many things dialectical method. Not simply a recipe to several raw materials mixed together, not only the need for animal physiology, biochemistry, organic chemistry have in-depth understanding, but also on raising standards, types and characteristics of feed materials using nutrients lies at the chest while keeping the flexibility to apply criteria based on the actual situation. Here is the recipe I have time to do some feelings and experiences in a feed mill for you peer reference.

Quality must be noted that the palatability of feed and raw materials

Some formulators do feed formulation, the only mechanical input to the various feed ingredients to the recipe software, and then click on the "linear programming", as long as the formula of nutrients out of reach, and put the recipe and then submitted to a print production on needed. In fact, doing so is extremely irresponsible, although nutritional supplements reached, but feed the "customers" of animals like it or not is really important. Because poor palatability of feed, animal feed will be little or simply refuse to eat. Therefore, selection of raw materials must choose palatability, no deterioration of fresh raw materials. Formulators should not just do a day in the office at the computer to do recipes, each feed must be done in person before a group to look at the quality of raw materials, the necessary time to personally taste raw palatability. There is a feed made ​​out when you want to test it after feed color, smell whether standards. Some feed mills often like to do some anti-stress, and increase lean meat, and promote animal growth of special packet of materials, because relatively speaking, than the obvious effect of this packet of materials, the profit is relatively high. For example, once I do a control mosquito breeding farm parcels material, the main component of this small material called cyromazine, the main role is used to kill mosquitoes eggs. When do such small material cyromazine did not notice the smell is quite unpleasant, just add some carriers and antibiotics in the recipe. The results reflect the customer antifeeding added this little pig feed material, then adjust the recipe when added flavors and sweeteners, then the market reflects this small material has been very good. Another time a similar thing is that some customers complain about our company a small material (main ingredient is yellow amines and amine synergists yellow) growth-promoting effect is not good, then it has increased the amount of two sulfonamides and trimethoprim times, to keep up with examples like the result, or refuse to eat such a small animal feed, the reason is very simple, because these drugs additives have been bad taste and palatability, the time when the amount of the increase will inevitably increase the unpleasant taste, so the sulfonamides and trimethoprim amount to 1.5 times the original amount, but also adds some flavor, so that the effect will be much better formulations.

Stress that it is important to note the quality of feed ingredients, such as rice bran, wheat bran and other raw materials. Fresh rice bran will have a fragrance smells taste in your mouth sweet side, inside a green shell in general are fresh bran rice bran, rice bran in this compound can be used in 50 percent duck. However, due to the high fat content of rice bran, especially in the summer in the South it is easy to rancidity (5 days or so), so when used in pig feed must pay attention, because the pig is very sensitive sense of smell, can not try to do, you can use cassava to instead. Wheat bran and flour two materials is actually a very easy to rancidity class materials, but many formulators ignores this, so when using wheat bran also pay attention to the freshness of wheat bran, or else there will be poor feeding of animals phenomenon. Fishmeal is a good raw material, but fishmeal adulterated (urea, protein powder) phenomenon is the most serious. There are times I suckling pig feed diarrhea very badly, by reducing the protein, add zinc oxide, citric acid method but the total can not be resolved, then had to take all kinds of raw materials inspection, other raw materials are normal, only fish tested found inside doped ammonium salt. Then put the recipe fishmeal removed, diarrhea problem immediately solved. Because of poor quality fishmeal control, so some companies can buy their dried fish, and then processed into fishmeal. Dried price of 3400 yuan / ton, processing costs 50 yuan / ton, but also cheaper than soybean meal. This not only reduces the cost of fish meal, but also to ensure the quality.

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