Some stems and leaves of crops are excellent pig feed. Used to feed pigs, not only nutritious, pigs love to eat, but also save feed and reduce the cost of raising pigs. The following crop residues can be used to feed pigs.
Sunflower plate
Sunflower dish, a sunflower dish that takes off sunflower seeds. In the past, when people harvested sunflowers, they often burned the sunflower plate as waste when the sunflower seeds were threshed. In fact, this is a pity because the sunflower plate can be fed to pigs after processing.
It was determined that in the sunflower dish, it contained crude protein 7-9%, crude fat 6.5-10.5%, crude fiber 17.7%, nitrogen-free extract 43.9%, pectin 2.4-3%, ash 10.1%, crude protein therein The content of nitrogen-free extracts can be comparable to food. The fragrant fructose contained in the sunflower dish can increase the appetite of the pig.
After the sunflower plate is dried in the sun, it is torn into small pieces by hand, and then pulverized by a grinder to make a sunflower dish flour. With this sunflower meal, the nutritional value per 100 kilograms can be equivalent to 60-66 kilograms of corn or 70-80 kilograms of barley.
Because the sunflower dish contains a lot of calcium and more fructose, it is very suitable for feeding piglets and sows. Feeding pigs can promote growth. Therefore, when farmers harvest sunflowers, they must leave the sunflower plate for pig feed and must not be wasted.
Sweet potato vine
In sweet potato harvest season, a lot of sweet potato vines will be produced. If these sweet potato vines are dried in the sun, they are crushed with a pulverizer and then fed to the pigs after saccharification. This becomes a good feed for pigs.
Sweet potato vine powder contains more starch and also contains crude protein, crude fiber, minerals and vitamins, etc., and is a good quality raw meal. At present, many pig farmers mix them directly into concentrates to feed pigs. Although they can save concentrate feeds and reduce the cost of raising pigs, they have low utilization rates and poor palatability.
If the sweet potato vine powder is saccharified to convert the starch into maltose and then used to feed the pig, the utilization rate can be improved and the palatability can be improved.
Sweet potato vinegar powder saccharification method is: the crushed sweet potato vine powder into a clean barrel or cylinder, pour 2 to 2.5 times hot water 80-90 °C, and stir into a thick paste; then, Cover with a wooden lid, do not allow rapid temperature drop in the barrel or cylinder to maintain the temperature between 55-60 °C; about 4 hours, sweet potato vine powder will be saccharification. At this time, sweet potato vine powder is yellow and sweet, so it can be used to feed pigs.
In order to accelerate the saccharification progress of sweet potato vine powder, malt corresponding to 2% by weight of sweet potato vine powder may be added when the sweet potato vine powder is heated and water is stirred. The temperature of saccharification should not be too low, otherwise, sweet potato vinegar powder will not be saccharified and will turn acid. To control the feeding of pigs after the end of saccharification, saccharification in the morning, feed at noon, saccharification at noon, and feed in the evening; even in the winter, saccharification of sweet potato vine powder, storage time should not exceed 10 hours.
Grape slag
Grape residue residue after grape wine, instead of cornmeal to feed pigs, works well.
According to scientific determination, in the dry matter per kilogram of grape slag, it contains 5.7 MJ of digestive energy, 86 g of digestible protein, 13.2% of crude protein, 13.2% of crude fat, 29.4% of crude fiber, 0.67% of calcium, and 0.32% of phosphorus. It also contains a variety of vitamins and trace elements. Compared with corn, 32 grams of more protein per kilogram of digestible protein, 3.7% more crude protein, calcium more than 0.65%, more than 0.09% phosphorus, lysine more than 1.57%. Therefore, in the current situation that the supply of corn is in short supply and the price is high, it is indeed a good method to replace the cornmeal feed with cheap grape slag.
To feed pigs with grape residue, it is better to dry the grape stalks into dried grape stalks and crush them after processing, and replace them with corn hulls to make mixed feeds. The proportion of the mixed feed is generally 10-20%. If the proportion is relatively large, it is necessary to add a suitable amount of green and juicy feed.
According to a pig farm experiment, in the mixed feed, about 15% of the dry powder of grape slag is used instead of corn flour to feed the pig. The pigs slaughtered on average can save about 50 kilograms of corn and reduce the cost by more than 20 yuan.
Soybean leaf
Soybean leaves are rich in crude protein and crude fat, but also rich in calcium and phosphorus. Therefore, in the absence of protein feed, feeding pigs with soybean leaves is an effective way to increase feed protein. There are three specific feeding methods: First, fresh feed. The collected fresh soybean leaves were removed to remove impurities and foreign matter. After being chopped, they were directly mixed into the pig's diet. The amount of feed was about 30% of the diet. For piglets under 30 kg, the chopped soybean leaves can be cooked in pots and fed into the pig's diet.
The second is silage. Soybean leaves have low sugar content and rich protein content. Suitable for semi-dry silage. The method is: the soybean leaves are air-dried to a water content of about 50%, and then rough cut with a knife, and then into a silo, cylinder or plastic silage, compaction seal. When the pigs need to be fed, they are taken out of the diet of the pigs and the amount of feed is about 25% of the diet.
The third is smashing. Soybean leaves are placed in a dry and ventilated place, dried to a moisture content of about 30%, then dried in the sun, dried quickly or placed in a drying room to reduce the moisture content to below 10%, and then pulverized into soybeans using a pulverizer. Leaf powder. This soybean leaf powder can be stored for a long time. When used to feed pigs, they can be directly mixed into the pig's diet, which can account for 20-40% of the diet.
For soybean leaves used for pig feed, the best period for collection is the soybean wax ripening period. At this time, not only is the soybean leaf greener, it has good nutrition, and its crude fiber content is small, and it will not affect the yield and quality of soybeans.
Apple leaves
Every time when the apple is cleared, there will be a lot of fallen leaves on the apple tree. These apple defoliants have higher nutritional value and can be used to feed pigs.
According to the determination of dried apple defoliation, the internal moisture content was 5.1%, crude fat was 11%, crude protein was 10.8%, nitrogen-free extract was 49.4%, crude fiber was 12.1%, crude ash was 10.6%, calcium was 1.9%, and phosphorus was 0.07. %, and contains multiple vitamins.
Feeding pigs with apple leaves can be concentrated when the apple trees are fallen, removing impurities and rinsing them with clean water. Small quantities can be fed directly into the pig's diet; in large quantities, 0.5 to 1 kg of salt per 100 kg of apple deciduous leaf can be stored in the feed pool to prevent mildew and deterioration. When the apple defoliation is stored in the feed pool, it should be layered and compacted, and sealed after filling the pool to ensure the quality of storage. After being stored in the pond for one month, when the apples in the pool are defoliated and fermented, they become soft and slightly yellow in color. When they are slightly scented, they can be used to feed pigs. The palatability is good and the pigs love to eat. During the first feeding, in the first 10 days, the amount of defoliation from apples was gradually increased from 10% of the pig diet to 20%; within the next 15 days, the amount of defoliation from apples was changed from that of pigs. 20% of grain is gradually increased to 50%; then, in another 10 days, the amount of apple defoliation is increased to 60% of the pig's diet, and this amount is maintained.
Sunflower plate
Sunflower dish, a sunflower dish that takes off sunflower seeds. In the past, when people harvested sunflowers, they often burned the sunflower plate as waste when the sunflower seeds were threshed. In fact, this is a pity because the sunflower plate can be fed to pigs after processing.
It was determined that in the sunflower dish, it contained crude protein 7-9%, crude fat 6.5-10.5%, crude fiber 17.7%, nitrogen-free extract 43.9%, pectin 2.4-3%, ash 10.1%, crude protein therein The content of nitrogen-free extracts can be comparable to food. The fragrant fructose contained in the sunflower dish can increase the appetite of the pig.
After the sunflower plate is dried in the sun, it is torn into small pieces by hand, and then pulverized by a grinder to make a sunflower dish flour. With this sunflower meal, the nutritional value per 100 kilograms can be equivalent to 60-66 kilograms of corn or 70-80 kilograms of barley.
Because the sunflower dish contains a lot of calcium and more fructose, it is very suitable for feeding piglets and sows. Feeding pigs can promote growth. Therefore, when farmers harvest sunflowers, they must leave the sunflower plate for pig feed and must not be wasted.
Sweet potato vine
In sweet potato harvest season, a lot of sweet potato vines will be produced. If these sweet potato vines are dried in the sun, they are crushed with a pulverizer and then fed to the pigs after saccharification. This becomes a good feed for pigs.
Sweet potato vine powder contains more starch and also contains crude protein, crude fiber, minerals and vitamins, etc., and is a good quality raw meal. At present, many pig farmers mix them directly into concentrates to feed pigs. Although they can save concentrate feeds and reduce the cost of raising pigs, they have low utilization rates and poor palatability.
If the sweet potato vine powder is saccharified to convert the starch into maltose and then used to feed the pig, the utilization rate can be improved and the palatability can be improved.
Sweet potato vinegar powder saccharification method is: the crushed sweet potato vine powder into a clean barrel or cylinder, pour 2 to 2.5 times hot water 80-90 °C, and stir into a thick paste; then, Cover with a wooden lid, do not allow rapid temperature drop in the barrel or cylinder to maintain the temperature between 55-60 °C; about 4 hours, sweet potato vine powder will be saccharification. At this time, sweet potato vine powder is yellow and sweet, so it can be used to feed pigs.
In order to accelerate the saccharification progress of sweet potato vine powder, malt corresponding to 2% by weight of sweet potato vine powder may be added when the sweet potato vine powder is heated and water is stirred. The temperature of saccharification should not be too low, otherwise, sweet potato vinegar powder will not be saccharified and will turn acid. To control the feeding of pigs after the end of saccharification, saccharification in the morning, feed at noon, saccharification at noon, and feed in the evening; even in the winter, saccharification of sweet potato vine powder, storage time should not exceed 10 hours.
Grape slag
Grape residue residue after grape wine, instead of cornmeal to feed pigs, works well.
According to scientific determination, in the dry matter per kilogram of grape slag, it contains 5.7 MJ of digestive energy, 86 g of digestible protein, 13.2% of crude protein, 13.2% of crude fat, 29.4% of crude fiber, 0.67% of calcium, and 0.32% of phosphorus. It also contains a variety of vitamins and trace elements. Compared with corn, 32 grams of more protein per kilogram of digestible protein, 3.7% more crude protein, calcium more than 0.65%, more than 0.09% phosphorus, lysine more than 1.57%. Therefore, in the current situation that the supply of corn is in short supply and the price is high, it is indeed a good method to replace the cornmeal feed with cheap grape slag.
To feed pigs with grape residue, it is better to dry the grape stalks into dried grape stalks and crush them after processing, and replace them with corn hulls to make mixed feeds. The proportion of the mixed feed is generally 10-20%. If the proportion is relatively large, it is necessary to add a suitable amount of green and juicy feed.
According to a pig farm experiment, in the mixed feed, about 15% of the dry powder of grape slag is used instead of corn flour to feed the pig. The pigs slaughtered on average can save about 50 kilograms of corn and reduce the cost by more than 20 yuan.
Soybean leaf
Soybean leaves are rich in crude protein and crude fat, but also rich in calcium and phosphorus. Therefore, in the absence of protein feed, feeding pigs with soybean leaves is an effective way to increase feed protein. There are three specific feeding methods: First, fresh feed. The collected fresh soybean leaves were removed to remove impurities and foreign matter. After being chopped, they were directly mixed into the pig's diet. The amount of feed was about 30% of the diet. For piglets under 30 kg, the chopped soybean leaves can be cooked in pots and fed into the pig's diet.
The second is silage. Soybean leaves have low sugar content and rich protein content. Suitable for semi-dry silage. The method is: the soybean leaves are air-dried to a water content of about 50%, and then rough cut with a knife, and then into a silo, cylinder or plastic silage, compaction seal. When the pigs need to be fed, they are taken out of the diet of the pigs and the amount of feed is about 25% of the diet.
The third is smashing. Soybean leaves are placed in a dry and ventilated place, dried to a moisture content of about 30%, then dried in the sun, dried quickly or placed in a drying room to reduce the moisture content to below 10%, and then pulverized into soybeans using a pulverizer. Leaf powder. This soybean leaf powder can be stored for a long time. When used to feed pigs, they can be directly mixed into the pig's diet, which can account for 20-40% of the diet.
For soybean leaves used for pig feed, the best period for collection is the soybean wax ripening period. At this time, not only is the soybean leaf greener, it has good nutrition, and its crude fiber content is small, and it will not affect the yield and quality of soybeans.
Apple leaves
Every time when the apple is cleared, there will be a lot of fallen leaves on the apple tree. These apple defoliants have higher nutritional value and can be used to feed pigs.
According to the determination of dried apple defoliation, the internal moisture content was 5.1%, crude fat was 11%, crude protein was 10.8%, nitrogen-free extract was 49.4%, crude fiber was 12.1%, crude ash was 10.6%, calcium was 1.9%, and phosphorus was 0.07. %, and contains multiple vitamins.
Feeding pigs with apple leaves can be concentrated when the apple trees are fallen, removing impurities and rinsing them with clean water. Small quantities can be fed directly into the pig's diet; in large quantities, 0.5 to 1 kg of salt per 100 kg of apple deciduous leaf can be stored in the feed pool to prevent mildew and deterioration. When the apple defoliation is stored in the feed pool, it should be layered and compacted, and sealed after filling the pool to ensure the quality of storage. After being stored in the pond for one month, when the apples in the pool are defoliated and fermented, they become soft and slightly yellow in color. When they are slightly scented, they can be used to feed pigs. The palatability is good and the pigs love to eat. During the first feeding, in the first 10 days, the amount of defoliation from apples was gradually increased from 10% of the pig diet to 20%; within the next 15 days, the amount of defoliation from apples was changed from that of pigs. 20% of grain is gradually increased to 50%; then, in another 10 days, the amount of apple defoliation is increased to 60% of the pig's diet, and this amount is maintained.
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