CAJ | 학술논문

试验采用早期断奶仔猪(26±1日龄，6.68±0.04 kg体重)72头，按2×3因素水平设计，即2个蛋氨酸水平(0.29%，0.39%)和3个苏氨酸水平(0.60%，0.68%和0.76%)分为6种日粮处理。基础日粮为玉米-小麦-豆粕-花生粕型日粮，试验期为22 d，测定仔猪断奶后0～10 d，11～22 d及全期生长性能。结果表明，早期断奶仔猪断奶后营养应进一步分阶段供给，断奶早期(26～36日龄，6.68～8.1 kg体重)日粮中适宜的蛋氨酸与苏氨酸水平应为0.39%(Met+Cys 0.71%)及0.68%，断奶后期(37～48日龄，8.31～14.0 kg体重)为0.29%(Met+Cys 0.61%)及0.68%。
시험채용조기단내자저(26±1일령，6.68±0.04 kg체중)72두，안2×3인소수평설계，즉2개단안산수평(0.29%，0.39%)화3개소안산수평(0.60%，0.68%화0.76%)분위6충일량처리。기출일량위옥미-소맥-두박-화생박형일량，시험기위22 d，측정자저단내후0～10 d，11～22 d급전기생장성능。결과표명，조기단내자저단내후영양응진일보분계단공급，단내조기(26～36일령，6.68～8.1 kg체중)일량중괄의적단안산여소안산수평응위0.39%(Met+Cys 0.71%)급0.68%，단내후기(37～48일령，8.31～14.0 kg체중)위0.29%(Met+Cys 0.61%)급0.68%。
The experiment arrangen in a 2×3 factorial arrangement, two methionine levels and three threonine levels, formed six dietary treatments was carried out. Basal diet was corn-wheat-soybean meal-peanut meal type. The experimental period was twenty two days. Growth performance were measured in 0 to 10 day, 11 to 22 day and entire period. Results show that the nutritional needs of postweaning pigs should be met by stages at the early stage postweaning. They should be given 0.39% Met(Met+Cys0.71%) and 0.68% Thr in the diet when pigs were 26 to 36 days of age and 6.68 to 8.13 kg weight 0.29% Met(Met+Cys0.61%) and 0.68% Thr were recommended at the latter stage postweaning when pigs were 37 to 42 days of age and 8.31 to 14.0 kg weight.