THE DEPENDENCE OF THE REPRODUCTIVE QUALITIES OF SOWS ON THE DURATION OF THE FARROW PERIOD AND THE PHASE OF FEEDING PIGLETS
Keywords:
piglet, reproductive qualities, feeding of piglets, duration of suckling period, super-prestarter, pre-starter
Abstract
The article studied the reproductive qualities and quantitative indicators of feed consumption of different formulations during single-phase and two-phase feeding of piglets at 21 and 28 days of weaning. It was established that with the traditional length of the suckling period in piglets, the application of a two-phase method of feeding them using superprestarter with its gradual replacement with prestare feed allowed to improve the survival of piglets by 2.0% when they were weaned at the age of four weeks, due to which a 3.0% higher their number before weaning and 5.5% heavier nests during this period compared to counterparts that were traditionally fed pre-starter feed from the seventh to the twenty-eighth day. Piglets under the biphasic method of feeding showed a tendency to a 2.6% increase in growth energy, as a result of which a tendency to a 2.6% increase in their absolute gains, a 2.4% increase in the weight of piglets at weaning and a 2.5% increase in the complex index of reproductive qualities in comparison with animals under a single-phase method of feeding. With the early weaning of piglets from sows, as with the traditional method, the tendency of dependence of the number of piglets at weaning, their litter weight, and preservation until weaning on the use of super-prestarter feeds was preserved. According to the remaining indicators of reproductive performance of sows, there was no difference between the nests of piglets under monophasic and biphasic feeding. With the traditional duration of the suckling period, piglets with a single-phase feeding method ate 23.7% more of the entire range of feed than with two-phase feeding, including 25.5% per litter, 22% per weaned piglet, 6% and by 25.1% per kilogram of gain. In the structure of all spent fodder for feeding piglets with two-phase feeding, the share of traditional pre-starter feed was 82.2%, while it was 100% with one-phase feeding. During two-phase feeding, in the last week of the suckling period, piglets consumed almost 4 times more feed than in the previous three weeks. During the shortened suckling period and single-phase feeding, the piglets ate 34.5% more of the entire range of feed, 26.4% per nest, 27.9% per head and 29.1% per kg growth compared to their counterparts under biphasic feeding. During the shortened term of the suckling period, it turned out to be smaller – the technological waste of piglets by 2.6–3.4%, the consumption of the entire range of feed for suckling piglets by 85.8–87.7%, its feed consumption per piglet by 84.6–87.5%, costs per 1 kg of gain by 81.6–82.8%, average daily gains by 1.4–2.8%, absolute gains by 22.2–26.0%, average weight of one piglet at weaning by 19.7–22.0%, the weight of the litter of piglets at weaning by 16.7–19.4%, while the number of piglets before weaning was 1.6–2.6% higher compared to animals in which the duration of lactation was traditional. The difference between groups with different systems of feeding under traditional and reduced duration of the suckling period was 1.2%–2.0% in survival, 2.3–2.4% in the number of piglets at weaning, 1.2–2.6% in average daily gains in favor of the nests of piglets that used the two-phase method of feeding, while the animals with the one-phase method of feeding turned out to be higher: consumption of the entire range of feed by 20.3–26.4%, feed consumption per head by 22.6–28.2% and 25.2–30.0% increase per 1 kg.
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20. Lavrentev, A., Larionov, G., Mikhaylova, L., Zhestyanova, L., Sherne, V. (2021). Special compound feeds and an immunostimulator to increase the live weight gain of suckling piglets. IOP Conf. Series: Earth and Environmental Science, 935, 012017. doi:10.1088/1755-1315/935/1/012017
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Published
2022-12-27
How to Cite
Povod, M. H., Gutyj, B. V., Koberniuk, V. V., LіutaI. M., Kruk, V. O., & Mykhalko, V. H. (2022). THE DEPENDENCE OF THE REPRODUCTIVE QUALITIES OF SOWS ON THE DURATION OF THE FARROW PERIOD AND THE PHASE OF FEEDING PIGLETS. Bulletin of Sumy National Agrarian University. The Series: Livestock, (3), 30-41. https://doi.org/10.32845/bsnau.lvst.2022.3.4
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