1. As a new feed additive. Feeding calcium formate to gain weight and using calcium formate as feed additive for piglets can promote piglets' appetite and reduce the rate of diarrhea. Adding 1% ~ 1.5% calcium formate to the piglet diet can significantly improve the performance of weaned piglets. German research found that adding 1.3% calcium formate to the diet of weaned piglets can improve the feed conversion rate by 7% ~ 8%, and adding 0.9% can reduce the incidence of diarrhea in piglets. Zheng Jianhua (1994) added 1.5% calcium formate to the diet of 28 day old weaned piglets. After feeding for 25 days, the daily gain of piglets increased by 7.3%, the feed conversion rate increased by 2.53%, the utilization rates of protein and energy increased by 10.3% and 9.8% respectively, and the diarrhea of piglets decreased significantly. Wu Tianxing (2002) added 1% calcium formate to the diet of ternary hybrid weaned piglets, the daily gain increased by 3%, the feed conversion rate increased by 9%, and the diarrhea rate of piglets decreased by 45.7%. Other matters needing attention are: the use of calcium formate is effective before and after weaning, because the hydrochloric acid secreted by piglets increases with age; Calcium formate contains 30% calcium that is easy to absorb. When preparing feed, pay attention to adjusting the proportion of calcium and phosphorus.

Used in architecture. Fast setting agent, lubricant and early strength agent for cement. It is used in construction mortar and various concrete to accelerate the hardening speed of cement and shorten the setting time. Especially in winter construction, it can avoid too slow setting speed at low temperature. Demoulding is fast, so that the strength of cement can be improved and put into use as soon as possible. Application of calcium formate: all kinds of dry mixed mortar, all kinds of concrete, wear-resistant materials, flooring industry, feed industry and leather making. Calcium formate dosage and precautions: the dosage of dry powder mortar and concrete per ton is about 0.5 ~ 1.0%, and the maximum addition is 2.5%. The dosage of calcium formate increases gradually with the decrease of temperature. Even if 0.3-0.5% is applied in summer, it will have an obvious early strength effect.