Arid
Heavily stocked 5-paddock rotational grazing effect on cross-bred Afrikaner steer performance and herbaceous vegetation dynamics in a semi-arid veld of Zimbabwe
Moyo, Bethwell2,3; Dube, Sikhalazo1; Moyo, Charles4; Nesamvuni, Edward
通讯作者Dube, Sikhalazo
来源期刊AFRICAN JOURNAL OF AGRICULTURAL RESEARCH
ISSN1991-637X
出版年2011
卷号6期号:10页码:2166-2174
英文摘要

A ten-year high stocking rate trial, mimicking communal areas was initiated at Matopos Research Station, Zimbabwe. Afrikaner steer crosses grazed continuously or rotationally at a high stocking rate (0.4 LU.ha(-1)) in two 45 ha areas, with one fenced into five 9 ha camps each for the rotational grazing sites, with 30 animals per site. It was hypothesized that, heavily stocked rotation will not improve herbage biomass, decreaser species abundance, basal cover or animal performance. Biomass, basal cover and decreaser species abundance were not (P > 0.05) significantly different between the grazing systems, save for Themeda triandra, Setaria incrassata and Panicum novemnerve, but were significant (P < 0.05) in terms of annual variation. Mean maximum steer weight gain was higher (P < 0.05) under continuous grazing. It was concluded that, the creation of rigid rotational grazing schemes in communal areas without proper stocking rates will not improve animal performance, herbage production, basal cover, but might have an effect on species abundance. In higher rainfall years, heavy stocking has no adverse effects on performance. Hence, any plans of grazing interventions on livestock management in communal areas, should consider stocking rate and rainfall, with a rapid stock reduction strategy in projected low rainfall years.


英文关键词Basal cover communal areas grazing system herbage biomass stocking rate weight gain
类型Article
语种英语
国家South Africa ; Zimbabwe
收录类别SCI-E
WOS记录号WOS:000292269500006
WOS关键词MIXED-GRASS PRAIRIE ; STANDING CROP ; CATTLE ; RESPONSES ; RAINFALL ; SAVANNA ; AFRICA ; IMPACTS ; SYSTEMS ; RANGE
WOS类目Agriculture, Multidisciplinary
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/166818
作者单位1.CSIR, Environm Ecosyst Dynam & Proc Grp, ZA-0001 Pretoria, South Africa;
2.Matopos Res Stn, Bulawayo, Zimbabwe;
3.Univ Ft Hare, Dept Livestock & Pasture Sci, ZA-5700 Alice, South Africa;
4.Khulasizwe Trust, Queenspark, Bulawayo, Zimbabwe
推荐引用方式
GB/T 7714
Moyo, Bethwell,Dube, Sikhalazo,Moyo, Charles,et al. Heavily stocked 5-paddock rotational grazing effect on cross-bred Afrikaner steer performance and herbaceous vegetation dynamics in a semi-arid veld of Zimbabwe[J],2011,6(10):2166-2174.
APA Moyo, Bethwell,Dube, Sikhalazo,Moyo, Charles,&Nesamvuni, Edward.(2011).Heavily stocked 5-paddock rotational grazing effect on cross-bred Afrikaner steer performance and herbaceous vegetation dynamics in a semi-arid veld of Zimbabwe.AFRICAN JOURNAL OF AGRICULTURAL RESEARCH,6(10),2166-2174.
MLA Moyo, Bethwell,et al."Heavily stocked 5-paddock rotational grazing effect on cross-bred Afrikaner steer performance and herbaceous vegetation dynamics in a semi-arid veld of Zimbabwe".AFRICAN JOURNAL OF AGRICULTURAL RESEARCH 6.10(2011):2166-2174.
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