首页> 美国卫生研究院文献>Journal of Animal Science >126 Energy (ME)-releasing efficacy of graded levels of 6-phytase Natuphos® E and a NSPase Natugrain® TS in 35 kg pigs fed corn/soy diets
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126 Energy (ME)-releasing efficacy of graded levels of 6-phytase Natuphos® E and a NSPase Natugrain® TS in 35 kg pigs fed corn/soy diets

机译:126能量(ME) - 培养玉米猪的35公斤猪的玉米猪饲喂玉米/大豆饮食中玉米/大豆饮食中饲喂玉米/大豆饮食的玉米孢子等水平的疗效

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摘要

This study evaluated the metabolizable (ME) release of graded levels of phytase when fed to 35 kg pigs on mash corn/soy diets formulated to meet or exceed current NRC (2012) recommendations. A total of 280 male (PIC 337 x Camborough) pigs were used in a randomized complete block design with pen as the experimental unit, treatment as the fixed effect, and block as the random effect (4 pig/pen x 8 treatments x 10 replications). Pigs were blocked by sex and weight. Treatments groups consisted of PC, NC1=PC- 0.17% Ca, - 0.15% aP, -0.02% Na, -200 kcal/kg, T1=NC +1000 FTU/kg phytase+0.15 g/kg NSPase, T2=NC+1500 FTU/kg phytase+0.15 g/kg NSPase, T3=NC+2000 FTU/kg phytase+0.15 g/kg NSPase, T4=NC+2500 FTU/kg phytase+0.15 g/kg NSPase and T5=NC+3000 FTU/kg phytase +0.15 g/kg NSPase. TiO2 was used as the undigestible marker. Feed, rectum grabbed fecal samples were collected at 35 kg pigs. ME was 3407, 3213, 3301, 3329, 3345, 3354 and 3358 Kcal/kg, P < 0.05, respectively. The NC reduced the ME by 194 Kcal/kg versus the PC. 1000, 1500, 2000, 2500 and 3000 FTU/kg released 87, 116, 132, 141 and 145 Kcal/kg, respectively. Least cost formulation reduced net feed costs by $8.63, $9.22, $11.10, $11.90 and $12.39/ton, respectively. In conclusion, Natuphos E by breaking down phytic acid and Natugrain TS by breaking down NSPs released up to 145 Kcal/kg ME in pigs.
机译:该研究评估了植物酶评分水平的代谢(ME)释放,当饲喂于配制或超过当前NRC(2012年)建议的醪玉米/大豆饮食时饲喂35kg猪。总共280张雄性(PIC 337 x Camborough)猪用笔作为实验单元,作为固定效果治疗,并阻止随机效果(4猪/笔x 8治疗x 10复制)。猪被性别和体重堵塞。治疗组由PC,NC1 = PC-0.17%Ca, - 0.15%AP,-0.02%Na,-200 kcal / kg,T1 = NC + 100克/ kg植酸酶+ 0.15g / kg Nspase,T2 = NC + 1500 FTU / kg植酸酶+ 0.15g / kg nspase,t3 = nc + 2000ftu / kg植酸酶+ 0.15g / kg nspase,t4 = nc + 2500 ftu / kg植酸酶+ 0.15g / kg nspase和t5 = nc + 3000 ftu / kg植酸酶+0.15g / kg nspase。 TiO2用作未见标记。饲料,在35kg猪收集直肠捕获的粪便样品。我分别为3407,3213,3301,3329,3345,3354和3358 kcal / kg,p <0.05。 NC通过194 kcal / kg与PC减少了我。 1000,1500,2000,2500和3000 FTU / kg分别释放87,116,132,141和145千卡/千克。最低成本制定分别将净饲料成本降低8.63美元,9.22美元,11.10美元,11.90美元,11.90美元和12.39美元/吨。总之,通过破坏植物的NSP和Natugrain TS释放出高达145千卡/ kg Me的猪的植物酸和Natuphain Ts。

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