Tofu is a by-product of the soy milk and tofu production process. It is rich in crude protein and crude fat, making it an affordable and nutritious feed option for livestock. However, raw tofu contains anti-trypsin and other potentially harmful substances, which can negatively affect digestion. Therefore, it's important to regulate the amount given to pigs. To improve palatability and enhance protein absorption, it's recommended to cook the tofu for 15 minutes before feeding.
When feeding pigs with fresh tofu, the dosage should be adjusted based on their growth stage. For piglets, the inclusion level should be around 5% to 8% of the total diet. In the growing phase, it can be increased to up to 15%, while finishing pigs can have up to 20%. To ensure balanced nutrition, it's advisable to mix tofu with corn, bran, and mineral supplements. Adding some green feed or vegetables can also help meet the pigs’ overall dietary needs.
For poultry such as chickens, the recommended dosage of tofu is generally between 6% and 15% of the diet. During the early stages of growth, it’s best to keep it around 6% to 10%, while in later stages, the amount can be increased to 12% to 15%. It's important to monitor the overall balance of the diet to avoid any nutritional deficiencies.
Ducks and geese have a better ability to digest crude fiber compared to chickens, so they can tolerate higher levels of tofu residue in their diets. The inclusion rate for ducks and geese can be about 5% higher than that for chickens. For ruminants like cows and sheep, the amount of tofu can be increased by 10% compared to what is used for chickens. However, in the late stages of sheep fattening, the dose should not exceed 25% of the diet, as excessive amounts may negatively impact meat quality.
In summary, tofu can be a valuable feed ingredient when properly processed and included in appropriate quantities. Its use varies depending on the species and stage of development, and careful management ensures optimal health and performance in livestock.
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