Nutritive value responses to biological products in alfalfa forage (Medicago sativa L.)

Pesticidi I Fitomedicina Pub Date : 2018-01-01 DOI:10.2298/pif1802119n

I. Mitkova, Natalia Georgieva Аnastasova, Yordanka Naydenova Andreeva

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引用次数: 1

Abstract

SUMMARY The effects of the biological insecticides Madex and Agricolle, applied alone or in combination with the biological fertilizers Lithovit and Nagro, on chemical composition and enzyme in vitro digestibility, as well as energy feeding value of alfalfa dry mass were studied. Treatments were carried out at the beginning of the flowering stage during the second cutting for control of economically important pests, testing a method of organic pest control. Independent and combined applications of several biological products were found to influence positively the chemical composition, enzyme in vitro digestibility, and energy and protein nutritional value of alfalfa feed. An optimal combination of decrease in the content of plant cell wall fiber components and a significant increase in forage enzyme in vitro digestibility was revealed after the application of Agricolle and a combination of Agricolle and Nagro. Digestibility reached 60.4 and 59.9%, respectively, which is an increase of 12.0 and 11.0%. Alfalfa low fiber, high protein content, and digestibility made a very good complement to grains and other forages in dairy rations after treatment with biological products.

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苜蓿草料营养价值对生物制品的响应

摘要研究了Madex和Agricolle两种生物杀虫剂单独施用或与生物肥料Lithovit和Nagro联合施用对紫花苜蓿干体化学组成、体外酶消化率和能量摄食价值的影响。在花期开始的第二次扦插期间进行处理，以控制重要的经济害虫，试验有机害虫防治方法。几种生物制品的单独或联合应用对苜蓿饲料的化学组成、酶体外消化率、能量和蛋白质营养价值均有积极影响。结果表明，施用Agricolle和Agricolle与Nagro复合可显著降低植物细胞壁纤维成分含量，提高饲料酶体外消化率。消化率分别达到60.4%和59.9%，分别提高12.0%和11.0%。苜蓿经生物制品处理后，纤维含量低，蛋白质含量高，消化率高，是乳日粮中谷物和其他饲料的良好补充。

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来源期刊

Pesticidi I Fitomedicina

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审稿时长

4 weeks