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Add more nicotine milk
The initial production of dairy cows has a large demand for niacin and needs to be supplemented in a timely manner, otherwise it will affect milk production and even cause ketosis. Supplementation of nicotinic acid to first-born dairy cows should begin from the second week of their milk production and continue until 12 weeks postpartum, and each cow should be supplemented with 5-13 grams per day. For cows already suffering from ketosis, the amount of supplemental niacin should be increased. Each head should be replenished with about 16 grams per day. Feed it for several days, and reduce it after the condition improves. In addition, supplementing 5 grams of niacin to cows every day in the fall can increase milk production, especially for cows that are over-fat.