How to reasonably group and merge pigs? A detailed guide to practical methods
In the process of pig farming, pigs from different sources and of different weights often bite and fight each other, which seriously affects the health and growth rate of the pigs. Therefore, reasonable grouping measures should be taken to maintain an appropriate stocking density. In addition, merging groups can help improve pig farming efficiency. Let's learn about the grouping and merging methods for pig farming together with the editor below.
1. Grouping principles
When grouping, pigs that are similar in source, weight and feed intake should be kept and raised together, while pigs from different sources and of different weights as well as pigs prone to fighting should be grouped separately and fed in separate troughs so that they can grow normally. When grouping, note that the weight difference among pigs within a group should not be too large. Generally, the difference for piglets should not exceed 3-5 kg, and for fattening pigs it should not exceed 50-10 kg. After grouping, the groups should be kept appropriately stable and should not be changed arbitrarily, so as to avoid causing discomfort to the pigs and triggering fighting and biting again.
2. Stocking density
The most important thing in grouping is stocking density. The stocking density differs at each growth stage. Generally, newly weaned piglets need 0.7 sq m each, while fattening pigs need 1.2 sq m each. Each group generally keeps 10-15 pigs; too many makes management difficult. In winter, when temperatures are lower, the stocking density can be appropriately increased so the pigs keep each other warm. In summer, when it is hot, too high a stocking density is unfavorable for heat dissipation, so the stocking density should be appropriately reduced.
3. Merging methods
Merging groups is meant to address the biting and fighting that occur in the early stage of grouping. When merging groups, keep the weak and do not keep the strong: keep the weaker pigs in the original pen and move the stronger ones out of the original pen. Split the many and do not split the few: keep the pen with fewer pigs as it is, and merge the larger number of pigs into it. Merge at night and not during the day: merging should preferably be done at night, and the same medicine should be sprayed on the pig groups so that they share the same scent. Familiarize first and merge later: keep the pig groups in a relatively large pen so they become familiar with each other's scent before merging. Separate when hungry and merge when full: when pigs are full they sleep soundly and do not disturb each other, but when hungry they fight to grab feed.
4. Strengthen management
Before merging groups, clean the pen thoroughly and carry out disinfection strictly. In the early stage after merging, strengthen feeding management. If fighting occurs, stop it promptly and protect the weaker pigs until they are peaceful and get along harmoniously.
The above is an introduction to reasonable grouping and merging methods for pig farming. We hope it helps you. To learn more related knowledge, please stay tuned to us.