Quality properties of sunn hemp (Crotalaria juncea L.) and maize (Zea mays L.) silages

IF 0.9 4区农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Tropical Grasslands-Forrajes Tropicales Pub Date : 2021-09-30 DOI:10.17138/tgft(9)315-320

G. D. Topcu, Ş. Özkan

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引用次数: 0

Abstract

Maize is an ideal forage crop for ensilage because of its high levels of fermentable carbohydrates, although it is low in protein. Sunn hemp is a legume with a high crude protein content with potential to be used in combination with maize to provide a silage with a higher protein content. Different percentages of sunn hemp-maize mixtures of 80-20, 60-40, 40-60 and 20-80 respectively were compared to silages of sole maize and sunn hemp. In the laboratory study, DLG classifications (color, smell, structure, total score and quality class), silage loss (%), silage pH, dry matter content, flieg score, crude protein content, crude ash content, NDF, ADF, metabolic energy (MJ kg-1 DM), dry matter intake, percent digestible dry matter and relative feed value were determined at the end of 60 days ensilage. The crude protein contents of silages increased as the sunn hemp ratio in the mixtures increased. In addition, pure sunn hemp silage and mixtures, especially 80% sunn hemp mixed with 20% maize, were found suitable for silage and it was concluded that sunn hemp and sunn hemp-maize silage mixtures could be used in animal husbandry.

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大麻（Crotalaria juncea L.）和玉米（Zea mays L.）青贮饲料的品质特性

玉米是理想的青贮饲料作物，因为它含有高水平的可发酵碳水化合物，尽管它的蛋白质含量较低。Sunn大麻是一种具有高粗蛋白质含量的豆类，有可能与玉米结合使用，以提供具有更高蛋白质含量的青贮饲料。将分别为80-20、60-40、40-60和20-80的不同百分比的向日葵-大麻-玉米混合物与单一玉米和向日葵-大麻的硅烷进行比较。在实验室研究中，在60天青贮结束时，测定DLG分类（颜色、气味、结构、总分和质量等级）、青贮损失（%）、青贮pH、干物质含量、飞边值、粗蛋白质含量、粗灰分含量、NDF、ADF、代谢能（MJ kg-1 DM）、干物质摄入量、可消化干物质百分比和相对饲料价值。随着混合料中桑麻比例的增加，青贮饲料的粗蛋白含量增加。此外，纯大麻青贮饲料及其混合物，特别是80%的大麻与20%的玉米混合饲料，适用于青贮饲料，并得出结论，大麻和大麻玉米青贮饲料混合物可用于畜牧业。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Tropical Grasslands-Forrajes Tropicales Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

1.60

自引率

0.00%

发文量

审稿时长

16 weeks

期刊介绍： The Journal publishes, in English or Spanish, Research Papers and Short Communications on research and development, as well as contributions from practitioners (Farmer Contributions) and Review Articles, related to pastures and forages in the tropics and subtropics. There is no regional focus; the information published should be of interest to a wide readership, encomprising researchers, academics, students, technicians, development workers and farmers. In general, the focus of the Journal is more on sown (''improved'') pastures and forages than on rangeland-specific aspects of natural grasslands, but exceptions are possible (e.g. when a submission is relevant for a particularly broad readership in the pasture and forage science community). The Journal will also consider the occasional publication of associated, but closely related, research in the form of an additional scientific communication platform [e.g. a re-make of the former Genetic Resources Communication series of the former Division of Tropical Crops and Pastures of the Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia]. Areas of particular interest to the Journal are: Forage Genetic Resources and Livestock Production[...] Environmental Functions of Forages[...] Socio-economic Aspects[...] Topics within the aforementioned areas may include: Diversity evaluation; Agronomy; Establishment (including fertilization); Management and utilization; Animal production; Nutritive value; Biotic stresses (pests and diseases, weeds); Abiotic stresses (soil fertility, water, temperature); Genetics and breeding; Biogeography and germplasm collections; Seed production; Ecology; Physiology; Rhizobiology (including BNF, BNI, mycorrhizae); Forage conservation; Economics; Multilocational experimentation; Modelling.