亚马逊生物群系高粱青贮的营养价值和发酵性

IF 1.1 4区 农林科学 Q3 AGRICULTURE, MULTIDISCIPLINARY
Juliana Maria Silva de Souza, Arthur Behling Neto, Maria Antônia Bortolucci da Rosa, Flávio Dessaune Tardin, Rosemary Lais Galati, Carla Silva Chaves, Dalton Henrique Pereira
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引用次数: 0

摘要

近年来,农业生产系统已经集约化,因此有必要改善对动物的食物供应,高粱青贮饲料是最常用的粗饲料之一。高粱基因型在干物质损失、发酵特性和营养价值方面存在显著差异,从而可以鉴定出具有高潜力的材料,用于生产满足反刍动物日粮需求的高品质青贮饲料,并推荐使用。因此,本研究旨在评估15种高粱基因型青贮饲料的不同用途,以确定可推荐用于亚马逊生物群系青贮饲料生产的材料。在Sinop/MT条件下,对高粱青贮的发酵特性和化学成分进行了研究。15个高粱基因型分别为15F30005、15F30006、CMSXS 5027、5030、5043、5045、201934B008、CMSXS 7501、BRS 658、BRS 659、Volumax、BRS 511、BRS Ponta Negra、BRS 716和AGRI-002E,每处理6个重复青贮。在NH3-N含量方面,BRS 658和BRS 659的平均NH3-N含量最低,为29.9 g/kg总氮,BRS 658、BRS 659、AGRI-002E和BRS 716的平均干物质含量最高,为295.0 g/kg。BRS658和brs659的平均粗蛋白质含量最高,为78.1 g/kg干物质(DM)。木质素方面,BRS 659、Volumax、Ponta Negra、15F30006、CMSXS 5027和CMSXS 5030的平均值最低,为49.5 g/kg DM。所有基因型均表现出适合青贮的性状。营养价值最高的原料为商品品种BRS 658、BRS 659和蓬塔内格拉。实验品种15F30005、CMSXS 5027和CMSXS 5030表现出与商品品种相似的营养价值,是未来发布、商业化和用于动物饲料青贮的有希望的候选品种。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Nutritional value and fermentability of sorghum silages grown in the Amazon biome

Nutritional value and fermentability of sorghum silages grown in the Amazon biome

In recent years, agricultural production systems have intensified, making it necessary to improve the food supplied to animals, where sorghum silage is one of the most commonly used roughages. The sorghum genotypes present significant differences in dry matter losses, fermentative profiles and nutritional values, allowing the identification of materials with high potential for producing high-quality silages that meet the dietary demands of ruminants and are recommended for use. Therefore, this work aimed to evaluate silages from 15 sorghum genotypes for different purposes to identify materials that could be recommended for silage production in the Amazon biome. The experiment was carried out in Sinop/MT to evaluate the fermentative characteristics and chemical composition of the sorghum silages. Fifteen sorghum genotypes, 15F30005, 15F30006, CMSXS 5027, 5030, 5043, 5045, 201934B008, CMSXS 7501, BRS 658, BRS 659, Volumax, BRS 511, BRS Ponta Negra, BRS 716 and AGRI-002E, were ensiled in experimental silos with six replications per treatment. For the content of NH3-N, BRS 658 and BRS 659 had the lowest average, 29.9 g NH3-N/kg total N. The highest average dry matter content was from BRS 658, BRS 659, AGRI-002E and BRS 716, at 295.0 g/kg. The highest average crude protein content of 78.1 g/kg dry matter (DM) was obtained from BRS658 and BRS 659. For lignin, BRS 659, Volumax, Ponta Negra, 15F30006, CMSXS 5027 and CMSXS 5030 had the lowest average value, 49.5 g/kg DM. All the genotypes evaluated presented characteristics suitable for ensiling. The materials with the highest nutritional value were the commercial varieties BRS 658, BRS 659 and Ponta Negra. The experimental varieties 15F30005, CMSXS 5027 and CMSXS 5030 demonstrated similar nutritional values to the commercial varieties, making them promising candidates for future release, commercialization and use in animal feed silage.

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来源期刊
Grassland Science
Grassland Science Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
2.70
自引率
7.70%
发文量
38
审稿时长
>12 weeks
期刊介绍: Grassland Science is the official English language journal of the Japanese Society of Grassland Science. It publishes original research papers, review articles and short reports in all aspects of grassland science, with an aim of presenting and sharing knowledge, ideas and philosophies on better management and use of grasslands, forage crops and turf plants for both agricultural and non-agricultural purposes across the world. Contributions from anyone, non-members as well as members, are welcome in any of the following fields: grassland environment, landscape, ecology and systems analysis; pasture and lawn establishment, management and cultivation; grassland utilization, animal management, behavior, nutrition and production; forage conservation, processing, storage, utilization and nutritive value; physiology, morphology, pathology and entomology of plants; breeding and genetics; physicochemical property of soil, soil animals and microorganisms and plant nutrition; economics in grassland systems.
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