The economic value of fly maggots in feed
A medium-sized cob of corn provides more than 10% of our daily dietary fibre requirements.
Fibre is fermented by bacteria in the colon. Promising studies are underway to determine the health-promoting effects of fibre fermentation breakdown products, for example, short-chain fatty acids, which may help to maintain a healthy gut.
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The fly maggot contains 55-65% crude protein and 2.62-12% fat. No matter whether it is the original material or dry powder, the crude protein content of the fly maggot is similar to or slightly higher than fresh fish, fish meal and meat and bone meal. The composition is more comprehensive, contains 17 kinds of amino acids needed by animals, and the content of each amino acid is higher than fish meal. The content of essential amino acid and methionine is 2.3 times and 2.7 times of fishmeal respectively. The lysine content is fish meal. 2.6 times. The total amount of essential amino acids in the fly maggot and dry powders was 44.09% and 43.83%, respectively, which exceeded the 40% value proposed by the Food and Agriculture Organization of the United Nations and the World Health Organization. The total amount of essential amino acids and non-essential amino acids They were 0.79 and 0.78, respectively, which exceeded the 0.6 proposed by the Food and Agriculture Organization of the United Nations and the World Health Organization. At the same time, fly maggots also contain a variety of trace elements required for life activities, such as iron, zinc, manganese, phosphorus, cobalt, chromium, nickel, boron, potassium, calcium, magnesium, copper, selenium, tellurium and so on.
Mast fly is an excellent animal protein feed that replaces fish meal
Feeding tests confirmed that the use of fly larvae instead of some or all of the fish meal as feed to feed livestock, fish, etc. have achieved a good breeding effect. If the other conditions were exactly the same, feeding 10% of the fly maggot powder and 10% of the fish meal to the laying hens respectively, the feeding rate of the fly licking meal group was 20.3% higher than that of the feeding fish meal group, and the feed conversion rate was raised 15. In 8%, each chicken increased its income by 72.3%. When the basic diet was the same, 100 grams of fish meal was fed to each pig every day. As a result, the weight of the pigs fed the ground meal increased by 7.18% compared to that of the fish meal. The cost per 1kg of weight gain decreased by 13.2%, the protein content of lean meat was 5% higher than that of fishmeal, and the use of 25% fly maggot powder to feed grass carp fed the grass carp was better than feeding 20% ​​of Peruvian fishmeal. The fish body weight gain rate increased by 20.8%, protein efficiency increased by 16.4%, and the cost per 1 kilogram of fish decreased by 0.29 yuan. These results fully demonstrate that fly maggot is an ideal animal protein feed and is the best alternative to fish meal.
The fly maggot is a delicious live food for special economic animals.
Experiments show that fly maggots can be used as a variety of economic animal fresh live bait, can be directly fed into the special economic animals like oysters, frogs and other live food and feed, but also can replace the fish meal in mixed feed. For example, if appropriate amount of live fly larvae is fed into the mixed feed, feeding crabs, forest frogs, fish, shrimp, cockroaches, scutellaria, eels, cockroaches, otters, etc., the growth is significantly accelerated and the yield increase effect is good. The fly larvae fed the shells for one month and had an average weight gain of 4.53 grams each, and the weight gain rate was 160.27%; while the larvae fed egg yolks gained 1.2 grams, the weight gain rate was 42.61%, the former is 3.8 times that of the latter.
There are two types of dietary fibre - soluble and insoluble - and sweet corn contains both.
According to the American Heart Association, dietary fibre as part of an overall healthy diet can help lower blood cholesterol levels and may reduce the risk of heart disease. It is insoluble fibre that binds to cholesterol, preventing it from being absorbed into the bloodstream.
Insoluble fibre is responsible for promoting regularity and helping to prevent constipation by speeding up the passage of food and waste through the intestines and absorbing water to keep stools soft. Insoluble fibre has been shown to reduce the risk of haemorrhoids.
Fibre-containing foods such as sweetcorn also help to provide a sense of satiety and may therefore help to suppress appetite and aid weight management.
Dietary fibre has also been linked to a reduced risk of type 2 diabetes. A diet rich in fibre helps patients manage their disease.
