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Backfat gauge, thickness

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Update time : 2024-09-18 09:40:55

Only by producing more piglets and live piglets can the economic benefits of pig farms be improved. The backfat analyzer detects the nutritional level of reserve sows, which has a direct impact on the number of live piglets and litter weight. The backfat analyzer detects the backfat thickness, which can most intuitively reflect the nutritional level of pigs. The backfat thickness during breeding and delivery should be controlled within a reasonable range to maximize the economic benefits of the pig farm.

Backfat gauge, thickness(图1)

Research has shown that within a certain threshold, the average litter size and live litter size increase linearly with the age of initial mating and backfat thickness. However, considering the cost factor of breeding, we cannot simply extend the breeding age, as it will increase the cost of feed and labor. The mating experiment of French white sows showed that sows with backfat thickness between I8-22mm had significantly higher total litter size and live litter size than sows with backfat thickness greater than 22mm and less than 18mm. The conclusion drawn from the Great York Reserve sow experiment is that a backfat thickness range of 9-14mm results in better litter giving performance. There are many different reports that will not be listed one by one. In summary, the optimal backfat thickness for detecting different breeds of pigs using a backfat analyzer is different. In actual production, we still need to explore the indicators that are suitable for our own pig farms.

But there are also reports that backfat thickness is not related to reproductive performance. In the experiment of American E1 sows weighing 100kg, the conclusion was that backfat thickness has a significant impact on reproductive traits such as average number of live pigs per litter and newborn litter size (P> 0.05). Backfat analyzer testing showed that backfat thickness is not related to reproductive performance. However, the author does not agree with his viewpoint. His grouping physical condition and backfat thickness are too similar, with only a 4mm difference between the thinnest and thinnest backlogs, and the difference is not significant. In terms of energy utilization, animals always prioritize ensuring the necessary parts to maintain their own lives for the backfat thickness of reserve sows, and the reproductive system does not have an advantage in allocating resources. If the intake of energy is too low, the visual manifestation will be that the pig is too thin and the back is too thin, and the development of its reproductive system will be delayed, which will affect the high-energy consumption of reserve sows. Studies have shown that increasing the feeding level of reserve sows before mating can promote their ovulation. The backfat analyzer detects the impact of oocyte quality on early embryo survival, which in turn affects subsequent fetal development and final litter size. Of course, the thicker the backfat, the better. Overfat can lead to fat deposition around the ovaries and uterus, less ejaculation, and higher embryo death rates.



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tags: Backfat gauge Backfat
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