The invention provides a
feed additive for controlling recessive
mastitis of a cow and reducing somatic cells and a preparation method thereof. The
feed additive comprises Chinese herbal medicines, vitamins, minerals and probiotics and concretely, comprises 100 to 150g of licorice root, 50 to 100g of radix angelicae sinensis, 80 to 120g of radix astragali, 80 to 120g of
pericarpium citri reticulatae, 50 to 100g of
dandelion, 80 to 100g of fructus arctii, 50 to 100g of
ligusticum wallichii, 100 to 150g of
motherwort, 50 to 80g of Chinese violet, 60 to 100g of seed of cowherb, 50 to 80g of acanthopanax root, 50 to 80g of
myrrh, 50 to 80g of white paeony root, 80 to 120g of
honeysuckle, 80 to 120g of
Houttuynia cordata, 50 to 100g of red sage root, 50 to 100g of pilose asiabell root, 30 to 50g of
vitamin A (500000 IU / g), 20 to 30g of
vitamin D3, 30 to 50g of
vitamin E (5000000 IU / g), 150 to 200g of
zinc hydroxymethionine, 10 to 20g of
yeast selenium, 80 to 120g of
saccharomycetes (20
billion cfu / g) and 10 to 20g of
Bacillus licheniformis (20
billion cfu / g). The
feed additive can improve the physiological functions of dairy cows, reduce the incidence of
mastitis, improve the anti-oxidant capacity, reduce somatic cells and improve the quality of milk.