为探究亲鸽饲粮不同硒源对乳鸽生长性能、屠宰性能、肌肉品质及抗氧化能力的影响,试验选取24月龄银王鸽亲鸽96对和体重相近的1日龄乳鸽384只,随机分为4组,每组6个重复,每个重复4对亲鸽和16只乳鸽,每对亲鸽哺育4只乳鸽,对照组(C组)饲喂...为探究亲鸽饲粮不同硒源对乳鸽生长性能、屠宰性能、肌肉品质及抗氧化能力的影响,试验选取24月龄银王鸽亲鸽96对和体重相近的1日龄乳鸽384只,随机分为4组,每组6个重复,每个重复4对亲鸽和16只乳鸽,每对亲鸽哺育4只乳鸽,对照组(C组)饲喂基础日粮,试验组在基础日粮中分别添加0.3 mg/kg(以硒计)亚硒酸钠(SS组)、酵母硒(SY组)和纳米硒(NS组)。预试期为7 d,正试期为28 d。结果显示:与C组相比,SS组28日龄乳鸽肌肉24 h a^(*)值显著升高(P<0.05),24 h L^(*)值显著降低(P<0.05);SY组肌肉45 min和24 h a^(*)值均显著升高(P<0.05),24 h L^(*)值和b^(*)值均显著降低(P<0.05);NS组肌肉45 min和24 h L^(*)值和a^(*)值、24 h b^(*)值以及滴水损失均显著降低(P<0.05);各试验组肌肉中硒含量均显著升高(P<0.05),SY组肌肉粗灰分含量显著降低(P<0.05),NS组肌肉粗蛋白和粗灰分含量显著升高(P<0.05);各试验组肌肉丙二醛(MDA)含量均显著降低(P<0.05),SY组与NS组肌肉总抗氧化能力(T-AOC)水平均显著升高(P<0.05),NS组肌肉中总超氧化物歧化酶(T-SOD)活性显著升高(P<0.05)。综上所述,在本试验条件下,亲鸽饲粮添加0.3 mg/kg不同硒源可显著提高乳鸽肌肉硒含量以及一定程度改善肉品质,其中添加纳米硒的效果较好。展开更多
试验旨在探究亲鸽饲粮添加茶多酚对乳鸽生长性能、屠宰性能、肉品质及肌肉抗氧化能力的影响。试验选取120对遗传背景相近、产蛋情况相同的7月龄健康亲鸽随机分为4组,每组6个重复,每个重复5对亲鸽。对照组饲喂基础饲粮,试验Ⅰ~Ⅲ组分别...试验旨在探究亲鸽饲粮添加茶多酚对乳鸽生长性能、屠宰性能、肉品质及肌肉抗氧化能力的影响。试验选取120对遗传背景相近、产蛋情况相同的7月龄健康亲鸽随机分为4组,每组6个重复,每个重复5对亲鸽。对照组饲喂基础饲粮,试验Ⅰ~Ⅲ组分别在基础饲粮中添加100、200和400 mg/kg的茶多酚,试验期53 d。测定28日龄乳鸽生长性能、屠宰性能、肉品质及肌肉抗氧化能力。结果显示:与对照组对比,各试验组半净膛率均显著提高(P<0.05),试验Ⅰ组腿肌率显著提高(P<0.05),试验Ⅲ组腹脂率显著降低(P<0.05);各试验组肌肉p H24h值均显著升高(P<0.05),肌肉24 h L^(*)值和b^(*)值以及失水率均显著降低(P<0.05),试验Ⅰ组肌肉45 min和24 h a^(*)值均显著升高(P<0.05),45 min b^(*)值显著降低(P<0.05),肌肉剪切力显著降低(P<0.05),肌肉鲜样水分含量显著降低(P<0.05);试验Ⅲ组乳鸽肌肉干样粗脂肪含量显著降低(P<0.05),肌肉超氧化物歧化酶(SOD)和谷胱甘肽过氧化物酶(GSH-Px)活性均显著升高(P<0.05)。结果表明,亲鸽饲粮添加茶多酚可以提高乳鸽屠宰性能和肌肉抗氧化能力并改善肉品质,400 mg/kg添加量较适宜。展开更多
OBJECTIVE:To evaluate the effectiveness of electroacupuncture(EA)for female stress urinary incontinence(SUI).METHODS:We searched 12 databases electronically from inception to November 2018 without language restriction...OBJECTIVE:To evaluate the effectiveness of electroacupuncture(EA)for female stress urinary incontinence(SUI).METHODS:We searched 12 databases electronically from inception to November 2018 without language restrictions.We included randomized controlled trials(RCTs)involving women with SUI,but excluded other types of urinary incontinence or studies that were not RCTs.Two independent reviewers extracted study characteristics,with disagreements resolved by consensus.Data were pooled and expressed as mean difference(MD)for continuous outcomes and relative risk(RR)for dichotomous outcomes,with 95%confidence intervals(CI).This study was registered with the International Prospective Register of Systematic Reviews(number CRD42018089734).RESULTS:We found very low to high level evidence that EA improved the effective rate(RR=2.03,95%CI:1.40,2.95;P=0.0002)and reduced urine leakage as measured by the 1-hour pad test(MD=3.33,95%CI:0.89,5.77;P=0.008),International Consultation on Incontinence Questionnaire Short Form score(MD=3.14,95%CI:2.42,3.85;P<0.00001),and 72-hour incontinence episodes(MD=1.17,95%CI:0.56,1.78;P=0.0002)compared with sham electroacupuncture(SA),pelvic floor muscle training,and medication.CONCLUSION:The effectiveness and safety of EA for key outcomes for women with SUI are statistically significantly better than those of SA,but most available evidence is very low or low quality.More well-designed RCTs are needed to confirm these findings.展开更多
文摘为探究亲鸽饲粮不同硒源对乳鸽生长性能、屠宰性能、肌肉品质及抗氧化能力的影响,试验选取24月龄银王鸽亲鸽96对和体重相近的1日龄乳鸽384只,随机分为4组,每组6个重复,每个重复4对亲鸽和16只乳鸽,每对亲鸽哺育4只乳鸽,对照组(C组)饲喂基础日粮,试验组在基础日粮中分别添加0.3 mg/kg(以硒计)亚硒酸钠(SS组)、酵母硒(SY组)和纳米硒(NS组)。预试期为7 d,正试期为28 d。结果显示:与C组相比,SS组28日龄乳鸽肌肉24 h a^(*)值显著升高(P<0.05),24 h L^(*)值显著降低(P<0.05);SY组肌肉45 min和24 h a^(*)值均显著升高(P<0.05),24 h L^(*)值和b^(*)值均显著降低(P<0.05);NS组肌肉45 min和24 h L^(*)值和a^(*)值、24 h b^(*)值以及滴水损失均显著降低(P<0.05);各试验组肌肉中硒含量均显著升高(P<0.05),SY组肌肉粗灰分含量显著降低(P<0.05),NS组肌肉粗蛋白和粗灰分含量显著升高(P<0.05);各试验组肌肉丙二醛(MDA)含量均显著降低(P<0.05),SY组与NS组肌肉总抗氧化能力(T-AOC)水平均显著升高(P<0.05),NS组肌肉中总超氧化物歧化酶(T-SOD)活性显著升高(P<0.05)。综上所述,在本试验条件下,亲鸽饲粮添加0.3 mg/kg不同硒源可显著提高乳鸽肌肉硒含量以及一定程度改善肉品质,其中添加纳米硒的效果较好。
文摘试验旨在探究亲鸽饲粮添加茶多酚对乳鸽生长性能、屠宰性能、肉品质及肌肉抗氧化能力的影响。试验选取120对遗传背景相近、产蛋情况相同的7月龄健康亲鸽随机分为4组,每组6个重复,每个重复5对亲鸽。对照组饲喂基础饲粮,试验Ⅰ~Ⅲ组分别在基础饲粮中添加100、200和400 mg/kg的茶多酚,试验期53 d。测定28日龄乳鸽生长性能、屠宰性能、肉品质及肌肉抗氧化能力。结果显示:与对照组对比,各试验组半净膛率均显著提高(P<0.05),试验Ⅰ组腿肌率显著提高(P<0.05),试验Ⅲ组腹脂率显著降低(P<0.05);各试验组肌肉p H24h值均显著升高(P<0.05),肌肉24 h L^(*)值和b^(*)值以及失水率均显著降低(P<0.05),试验Ⅰ组肌肉45 min和24 h a^(*)值均显著升高(P<0.05),45 min b^(*)值显著降低(P<0.05),肌肉剪切力显著降低(P<0.05),肌肉鲜样水分含量显著降低(P<0.05);试验Ⅲ组乳鸽肌肉干样粗脂肪含量显著降低(P<0.05),肌肉超氧化物歧化酶(SOD)和谷胱甘肽过氧化物酶(GSH-Px)活性均显著升高(P<0.05)。结果表明,亲鸽饲粮添加茶多酚可以提高乳鸽屠宰性能和肌肉抗氧化能力并改善肉品质,400 mg/kg添加量较适宜。
文摘OBJECTIVE:To evaluate the effectiveness of electroacupuncture(EA)for female stress urinary incontinence(SUI).METHODS:We searched 12 databases electronically from inception to November 2018 without language restrictions.We included randomized controlled trials(RCTs)involving women with SUI,but excluded other types of urinary incontinence or studies that were not RCTs.Two independent reviewers extracted study characteristics,with disagreements resolved by consensus.Data were pooled and expressed as mean difference(MD)for continuous outcomes and relative risk(RR)for dichotomous outcomes,with 95%confidence intervals(CI).This study was registered with the International Prospective Register of Systematic Reviews(number CRD42018089734).RESULTS:We found very low to high level evidence that EA improved the effective rate(RR=2.03,95%CI:1.40,2.95;P=0.0002)and reduced urine leakage as measured by the 1-hour pad test(MD=3.33,95%CI:0.89,5.77;P=0.008),International Consultation on Incontinence Questionnaire Short Form score(MD=3.14,95%CI:2.42,3.85;P<0.00001),and 72-hour incontinence episodes(MD=1.17,95%CI:0.56,1.78;P=0.0002)compared with sham electroacupuncture(SA),pelvic floor muscle training,and medication.CONCLUSION:The effectiveness and safety of EA for key outcomes for women with SUI are statistically significantly better than those of SA,but most available evidence is very low or low quality.More well-designed RCTs are needed to confirm these findings.
