Today, we introduced several kinds of bait additives, each of which played a role.
First, animal, plant extracts - bait additives.
Including oysters, shellfish, squid visceral extracts, fern extracts and so on. If you want to increase the food intake of shrimp and increase the frequency and weight gain, then you need to use it as a bait. Because the decoction of body fluids contains high levels of amino acids, especially related to the contents of lysine, glycine, and histidine, as the amount of barium added to the diet increases, the habits of carp, astragalus, etc., on feeding are increased. Degrees have also gradually increased. The viscera of golden squid and squid also contains a large number of amino acids and taurine and nucleotides, which have a good attracting effect. We only need to extract the substances that can be formulated into good attractants to improve the palatability of the feed, thereby increasing the fish catch rate.
Second, Chinese herbal medicine attractant_bait additives.
According to our country's popular folks, we often use it as a fishing bait, weed the grass to trap and catch the yellow peony, etc. Many herbs, tangerine peels, and spices are rich in temptation foods, and some Chinese herbs have a strong stimulating effect and promote fish and shrimp to enhance disease resistance. This effect will be further studied and explained.
Third, amino acids and their mixtures _ bait additives.
Different amino acids have different attracting activities for the same species of fish. L-amino acids are the main components for the aquatic species, and amino acids have different activities for different fish and individuals of different sizes. Eggs and alanine can also increase appetite; carp feed has the best sperm and glutamic acid, and addition of egg and alanine also has an effect of promoting feed intake; cystine has a significant effect on grass carp feed, adding sperm and eggs, Alanine also has an effect. For example, alanine has the stimulating activity for slow fish, but it has no larvicidal activity for squid. Adding a mixture of C, G, C, and H in the feed of squid can stimulate the fish to feed and promote the digestion and absorption of the food. . The effect of methionine on the diet of rainbow trout is best. Alanine, cystine and glycine can also promote food intake.
Fourth, alkaloids _ lure additives.
Also known as sodium glycine trimethylamine, it is a quaternary ammonium alkaloid. For example, betaine has a sweet and umami taste that is sensitive to fish. As long as you add 0.1%-0.3% betaine to fish and shrimp feed, it has a strong sense of smell and taste for all crustaceans such as fish and shrimps. Stimulating effect is the ideal food for attracting food. In addition, its sedative effect also shows synergistic effects with some amino acids, and the effect is really good.
V. Sulfur-containing organics - Bait additives.
Dimethyl-β-propionic acid thiophene (DMPT) has a good attractant effect. It is rich in sea mussels and has limited resources. The process of chemically synthesizing DMPT is relatively difficult and expensive, and it still requires scientific and technological research.
Six, other substances _ bait additives.
Such as sheep oil, aroma, citric acid, sodium trimethylamine (TMAH) and so on. I will not introduce more here.
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