The nutritive value of Panicum maximum and, Brachiaria brizantha grass species

被引：1
|
作者：
Sokupa, M. I. [1 ]
Mupangwa, J. F. [1 ,2 ]
Washaya, S. [1 ,3 ]
Tikwayo, S. E. [1 ]
Mopipi, K. [1 ]
机构：
[1] Univ Ft Hare, Fac Sci & Agr, Dept Livestock & Pasture Sci, Eastern Cape, South Africa
[2] Univ Namibia, Fac Agr & Nat Resources, Dept Anim Sci, Windhoek, Namibia
[3] Great Zimbabwe Univ, Garry Magadzire Sch Agr & Nat Sci, Dept Livestock Wildlife & Fisheries, Masvingo, Zimbabwe
来源：
ACTA AGRICULTURAE SCANDINAVICA SECTION A-ANIMAL SCIENCE | 2024年 / 73卷 / 1-2期
关键词：
Chemical composition; digestibility; forage grass species; grazing animals; CHEMICAL-COMPOSITION; TEMPERATURE; PERFORMANCE; CULTIVARS; BEHAVIOR; QUALITY; BIOMASS;
D O I：
10.1080/09064702.2023.2249903
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
The objective of this study was to evaluate the nutritive value of Panicum maximum and Brachiaria brizantha cultivars in terms of nutrient composition, dry matter intake, and digestibility at different harvesting stages. The factors investigated were three cultivars; Mombaca, Gutton (Panicum maximum), and Marandu (Brachiaria brizantha), and three harvesting intervals (6, 10, and 14 weeks) after planting (WAP). Collected grass samples were subjected to nutrient and in-vitro dry matter digestibility analysis. The cultivars and harvesting stages influenced (P < 0.05) the nutrient composition, dry matter intake (DMI), invitro dryy matter digestibility (IVDMD), relative feed value (RFV), and total digestible nutrients (TDN) of grasses. There was an interaction between the cultivars and harvesting intervals on acid detergent lignin (ADL), calcium (Ca), magnesium (Mg), sodium (Na), potassium (K), K/Ca + Mg, copper (Cu), iron (Fe), zinc (Zn), and manganese (Mn). It can be concluded that Panicum maximum and Brachiaria brizantha cultivars can support optimum ruminant livestock production, and, the nutritive value of the Marandu cultivar supersedes minimum animal requirements.
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页码：1 / 9
页数：9
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