Feed additive for promoting calf growth and improving beef quality

[0020] A feed additive capable of promoting the growth of calves and improving the quality of beef, the preparation method of which is as follows:

[0021] (1) Spread out the collected fresh pine needles, dry them under reduced pressure and ventilate at 45°C, wait until the water content is 15%, crush them into 300um particle size for later use, crush hawthorn into 0.5mm particle size for later use, and grind licorice root into 0.5mm particle size for later use ;

[0022] (2) Take 23 parts of pine needle powder, 12 parts of hawthorn, 12 parts of betaine, 8 parts of daidzein and 5 parts of licorice according to the stated amounts and mix them evenly. Its dosage is 20g per kilogram of concentrate feed.

[0024] A feed additive capable of promoting the growth of calves and improving the quality of beef, the preparation method of which is as follows:

[0025] (1) Spread out the collected fresh pine needles, dry them under reduced pressure and ventilation at 40°C, wait until the moisture content is 15%, and grind them into 300um particle size for later use. Grind the hawthorn with a particle size of 0.5mm for later use, and grind the licorice root with a particle size of 0.5mm for later use. ;

[0026] (2) Get 20 parts of pine needle powder, 10 parts of hawthorn, 8 parts of betaine, 6 parts of daidzein, and 4 parts of licorice according to the weight parts and mix evenly, and the usage amount of feed additive is 10 g per kilogram of concentrated feed.

[0028] A feed additive capable of promoting the growth of calves and improving the quality of beef, the preparation method of which is as follows:

[0029] (1) spread out the fresh pine needles collected, and dry them under reduced pressure and ventilation at 45° C., until the water content is 20%, and crush them into a particle size of 500 μm for subsequent use; crush hawthorn into a particle size of 2 mm for subsequent use, and licorice root to a particle size of 1.2 mm for subsequent use;

[0030] (2) Get 30 parts of pine needle powder, 15 parts of hawthorn, 12 parts of betaine, 8 parts of daidzein, 6 parts of licorice by weight and mix evenly, and the consumption of feed additive is 30g per kilogram of concentrated feed.