鲜鲜与干鲜薄茅对羔羊饲粮的影响Scribn。和稳定。水和营养物质的摄取量及表观消化率

IF 1.1 4区农林科学 Q3 AGRICULTURE, MULTIDISCIPLINARY

Grassland Science Pub Date : 2021-01-21 DOI:10.1111/grs.12321

Rongzhen Zhong, Long Cheng, Yi Fang, Zelin Li, Vida Lamptey, Daowei Zhou

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引用次数: 0

摘要

目的是研究饲喂羔羊新鲜与干燥的普契利亚的效果。tenuiflora (Griesb)。Scribn。,稳定。营养和水分摄取量及表观消化率。24只羔羊饲喂新鲜或干草(48小时)。鲜草的干物质(DM)含量为干草的65%，中性洗涤纤维不含灰分(aNDFom)含量为干草的87%，两种牧草的代谢能浓度相近。吃新鲜草的羔羊(p <(0.05) DM摄入量(944对837 g DM -1羊-1)、代谢能摄入量(9.1对7.9 MJ -1羊-1)和粗蛋白质摄入量(86对75 g -1羊-1)。但在饮水量、粪便营养物质排泄量和营养物质消化率方面，各处理间无显著差异。综上所述，饲喂新鲜tenuiflora可以提高羔羊的自愿采食量，但不会降低营养物质的消化率。

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Effects of feeding lambs fresh versus dried Puccinellia tenuiflora (Griesb.) Scribn. & Merr. on water and nutrient intake and apparent digestibility

The objective was to investigate effects of feeding lambs fresh versus dried Puccinellia. tenuiflora (Griesb.) Scribn. & Merr. on nutrient and water intake and apparent digestibility. Twenty-four lambs were offered fresh or dried (48 hr) grass. The dry matter (DM) content of fresh grass was 65% of dried grass and the neutral detergent fiber exclude ash (aNDFom) content of fresh grass was 87% of dried grass, whereas the metabolizable energy concentration of two forages was similar. Lambs eating fresh grass had higher (p < .05) DM intake (944 versus 837 g DM day⁻¹ sheep⁻¹), metabolizable energy intake (9.1 versus 7.9 MJ day^-1sheep⁻¹), and crude protein intake (86 versus 75 g day^-1 sheep⁻¹) than those eating dried grass. However, there was no significant difference between treatments in drinking water intake, fecal nutrient output or nutrient digestibility. In conclusion, feeding lambs fresh P. tenuiflora improved voluntary feed intake without depressing nutrient digestibility.

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来源期刊

Grassland Science Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

2.70

自引率

7.70%

发文量

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.