Influence of the breeding environment factors on the number of the weaned piglets
2021
Imrich, Ivan | Mlyneková, Eva | Mlynek, Juraj | Guranič, Ján
A prerequisite for the successful pig breeding isthe achievement of high reproductive performance, which can be influenced by several environmental factors. Therefore, the aim of our research was to assess the impact of the season, microclimatic indicators and technology of housing of the lactating sows on the number of the weaned piglets in the litter. The experiment was performed on a production farm in Slovakia and a total of 800 litters were evaluated. The results have shown that the season had a statistically significant effect on the number of the weaned piglets (p <0.01), least in the summer and most of them in the fall. The highest number of the weaned piglets was found at the temperatures from 18 to 22 °C (p <0.05), temperatures outside the stated range had a negative impact on the number of the weaned piglets. An increase of the relative humidity – above 70% (p <0.05) and an increase in the flow – above 0,4 m/s (p <0.05) led to a decrease in the number of the weaned piglets. In the housing with a freemovement of the lactating sows, the number of the weaned piglets was higher than with the restricted movement (p <0.05).
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