营养水平与半乳甘露寡糖对母猪泌乳量、乳常规成分及乳中激素水平的影响

Effects of nutrition levels and supplementation of galacto-mannan-oligosaccharides on yields and ingredients and hormones levels in milk of sows

为探讨日粮营养水平与半乳甘露寡糖对哺乳母猪泌乳量、乳成分及乳中激素水平的影响,选用3～4胎次、预产期相近的长×大二元母猪24头,随机分成4组,分别饲喂4种日粮,即添加半乳甘露寡糖的高营养水平日粮(HL+GMOS)、不添加半乳甘露寡糖的高营养水平日粮(HL)、添加半乳甘露寡糖的低营养水平日粮(CL+GMOS)和不添加半乳甘露寡糖的低营养水平日粮(CL),各组均采用相同的饲养管理方式.结果表明,相对于不添加半乳甘露寡糖(GMOS),添加0.15%GMOS能显著提高乳中白介素-6、皮质醇和生长激素(P<0.05),增加母猪泌乳量(P=0.07)和乳蛋白含量(P=0.06).相对于低营养组,高营养水平组能显著提高乳蛋白含量(P<0.05).

To investigate effects of nutrition levels and galacto-mannan-oligosacharrides （GMOS） on milk yields, milk conventional ingredients and hormones in milk of sow, twenty-four lactating, having near expected date of birth, three - four parity sows （LandracexYordshire） were randomly divided into four groups and fed with high nutrition level diet added GMOS（HL＋GMOS）, high nutrition level diet without GMOS（HL）, low nutrition level diet added GMOS （CL＋GMOS）, low nutrition level diet without GMOS（CL）, respectively. Each group was managed in the same way. The results showed that. Compared with the groups without GMOS, dietary supplementation with GMOS could significantly increase the levels of IL-6, CORT and GH in milk（P 〈 0.05）, elevate milk yields（P=0.07）and the content of lactoprotein（P=0.06）in milk. Compared with the groups with the low nutrition level, the dietary of the high nutrition level could significantly increase milk protein（P 〈 0.05）.