Infulence of different housing systems on reproductive performance of large white and crossbred sows in central VietNam

Abstract

 The results conducted on more than 54 exotic and crossbreed sows in different provinces of Quang Tri, Thua Thien - Hue and Quang Nam have shown that innovative housing systems can improve the environmental factors in the microclimate area for exotic and crossbred sows. Therefore, the new housing system has brought about a higher reproductive performance of sows, such as the number of piglets born alive is 11.12 ± 2.57 versus the old housing system: 9.47 ± 1.53, respectively the number of weaned piglets is 9.25 ± 1.22 compared with 8.20 ± 2.16, P < 0.01; and the number of litters per sow per year is 2.05 ± 0.25 compared with 1.92 ± 0.21. Simultaneously, the innovative housing systems can also promote the growth rate and resistant abilities of suckling piglets significantly, 126.25 ± 19.50 g/day compared with 107.12 ± 15.42 g/day, P <0.05 and no significant differences for infection rates of piglets diarrhea, 0.53 ± 0.75 compared with 2.53 ± 1.33 piglets per litter in the traditional housing systems.

Key words: Crossbreed sow, piglet, reproductive performance, microclimate area, housing system.