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The suitable energy and protein levels in the diets for commercial Xao Va pigs
Authors: Hoang Thi Mai, Le Minh Hai, Ta Thi Binh, Ho Thị Dung
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Journal of animal husbandry sciences and technics
: SỐ 302     : 46-52
Publishing year: 9/2024
The study was conducted to determine the suitable energy and protein levels in diets of commercial Xao Va pigs at 2 growth stages: 3-15 kg and 15 kg-slaughter weight. The experiment was arranged according to a completely randomized design with 2 factors per 12 experimental units (2 energy levels x 2 protein levels x 3 replicates/each combination of energy level and protein level), each experimental unit was a group of 6 pigs (3 castrated males and 3 females). Two energy levels are 3,000 and 3,100 Kcal ME/kg of feed during the entire growing periods. Two crude protein levels are 17 and 18% at the 3-15kg stage and 16 and 17% at the 15kg-finishing stage. The results showed that, pigs consuming the diet with the energy level of 3,100 Kcal ME/kg of feed grew faster and consumed less food than the other group, in detail: the final weight reached 26.18-26.45 vs. 24.82-25.18 kg/head (P=0.001), ADG was 125-127 vs. 118- 120 g/day (P=0.000), FCR was 4.33-4.35 vs. 4.48-4.49kg feed/kg ADG (P=0.002). In contrast, crude protein levels did not affect the growth and feed consumption of pigs in this experiment. There was no influence of the interaction between energy and protein on the study parameters in both periods. Thus, a diet with 3,100 Kcal ME/kg feed and 17%CP at the weaning-15kg period and 3,100Kcal ME/kg feed and 16%CP at the 15kg-finishing period should be applied for the commercial Xao Va pigs to improve their growth and feed efficiency.
Commercial Xao Va pigs, metabolic energy, crude protein.
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