Pigs experience a period of intense eating behavior around 35 days of age, known as "Wang Shi." During this time, their appetite becomes very strong, and they can double their body weight by the time they reach 60 days old, gaining over 0.5 kg per day. To help them gain weight quickly during this critical growth phase, several effective strategies can be applied.
First, establish a feeding schedule. Starting at 30 days of age, increase the number of meals to 5 or 6 times daily, always at the same time. This helps pigs develop a habit of regular feeding, which improves digestion and maintains their appetite without causing overeating or loss of interest in future meals.
Second, feed smaller portions more frequently. Pigs naturally prefer to graze, and offering smaller amounts at a time aligns with their eating habits. It also encourages them to eat more, as they tend to compete for fresh food each time it's added. Smaller feedings also reduce waste and ensure better utilization of the available feed.
Third, support their appetite by adjusting feeding order. In the late evening, when pigs are most active, start with regular feed, then mix in high-protein options like fish meal. Once they begin eating, offer their favorite foods—such as corn, sprouted barley, melons, or other treats—before finally providing green vegetables and clean water. This method not only fills their stomachs but also increases their overall appetite over time.
Fourth, keep the feed consistent. Pigs become accustomed to certain types of feed, and sudden changes can cause them to refuse to eat. Therefore, it’s important to maintain stable feed sources during the growing phase. Feeding is usually most efficient in the afternoon during winter and in the evening during summer, as these are the times when pigs consume more than half of their daily intake.
By following these practices, pig farmers can effectively enhance the growth rate and health of their animals, ensuring maximum weight gain during the crucial "Wang Shi" period.
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