In the first half of this year, the fiery heat of the feed industry was in sharp contrast with the coldness of the aquaculture industry, especially the pig industry. On the one hand, the price of feed ingredients continued to rise, and on the other hand, the price of live pigs did not rise, and farmers’ feed prices soared and pigs In the case of not selling the price, he always shouted "loss". However, from the current point of view, increasing the efficiency of pig breeding by increasing the feed conversion rate is the key to solving the problem of “loss†for farmers. To solve the problem, the first thing to look for is the reason. What is the reason? What about the countermeasures? Nutrition, management, disease impact conversion rate The feed conversion rate is generally calculated based on the amount of feed actually consumed on a daily basis and the daily gain of the herd. Affected by factors such as the nutritional status of pigs, the management level of farms, and diseases, the feed conversion rate will fluctuate. The conversion rate of pig feed is directly related to the nutrition of pigs. When I visited the breeding farm, I found a common phenomenon, that is, the ground of the breeding farm was relatively clean and there was no feed pellets. There is no problem of wasting feed on the surface, but there is a deep waste problem in terms of nutrition. Because the nutrient supply of the feed must first meet the needs of the pig body to act on the growth of the pig. Therefore, the amount of feed is reduced, the amount of growth for pigs is reduced, the age of the pigs is prolonged, the feed conversion rate is lowered, and the production cost is increased. At the same time, the summer weather is hot, resulting in a decrease in feed intake. At this point, if the feed continues to maintain the original nutritional level, it is slightly insufficient. There is also a feed processing process, which is not strictly in accordance with the operating procedures, resulting in inaccurate formulas, uneven nutrient composition will cause nutrient waste, reduce feed conversion rate. The author believes that the low conversion rate is inseparable from the management of the farm. First, it is not timely and eliminated. Pig growth and development is regular, and it is vital to be out at the optimal weight. Second, the feed is not supplied according to body weight. For pigs of different growth stages, feed should be supplied at the corresponding stage, otherwise the cost will increase. Third, in the process of feed processing and pig sales, there is no strict standardized management record system, and it is also possible to reduce the feed conversion rate. For pig farms, the hidden feed waste caused by the disease is the main factor leading to low feed conversion rate. Certain diseases (moderate swine fever, other chronic diseases, etc.) do not necessarily result in the death of pigs. However, due to these diseases, the growth rate and feed utilization rate of pigs will be low, which will inevitably lead to a decrease in feed conversion rate. In the investigation, the author found that the number of litters and the number of weaned live pigs are small, which will result in a large proportion of feed consumption for sows and boars, which will reduce the feed conversion rate of the whole group. Three measures to improve conversion rate In terms of nutrition, it can be improved by increasing the amount of feeding and scientific feeding. Appropriate adjustment of formula during high temperature season to improve nutrition and ensure that pigs can still meet the growth needs of pigs when feed intake is insufficient. In short, we should develop a set of effective monitoring methods and strictly regulate the operation. Detailed production orders and records are required during the production process. This will allow you to check whether the production of each batch of feed meets the processing weight you deserve. In addition, the processing site can be viewed at any time to effectively supervise the processing and production of feed. The management of the farm should be strictly regulated and timely. The study found that the best selling weight of pigs over 90 kg, the longer the feed, the lower the feed conversion rate and the higher the cost. In addition, some low-productivity sows must be eliminated in time. Preventing and controlling disease in pig farms is the key to improving feed conversion rate. The key to the control of pig farm disease is to do all-in, all-out work, strict immunization procedures, and preventive health care. At the same time, it is necessary to change traditional concepts and achieve a major shift from treatment to prevention and prevention to health care. In addition, strict statistics are needed on the cost of disease prevention and control. Record the total cost of drugs, the proportion of drugs such as disinfectants and preventive drugs, for subsequent verification and management. It is understood that increasing the reproductive capacity of male and female pigs and increasing the average number of weaned live sows can also increase the feed conversion rate. In actual production, it is necessary to carefully and stage the management of sow feeding, and to develop different feeding plans for sows of different body conditions at different stages. In addition, strengthen the nutritional management of the gilts, give them appropriate stimulation or use hormones to promote the normal estrus and ovulation of the sows, increase their litter size, thereby saving feed and improving feed conversion rate. 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