Arid
DOI10.2989/10220119.2014.901417
Diet selection of goats depends on season: roles of plant physical and chemical traits
Mkhize, Ntuthuko R.1; Scogings, Peter F.2; Nsahlai, Ignatius V.3; Dziba, Luthando E.4
通讯作者Mkhize, Ntuthuko R.
来源期刊AFRICAN JOURNAL OF RANGE & FORAGE SCIENCE
ISSN1022-0119
EISSN1727-9380
出版年2014
卷号31期号:3页码:209-214
英文摘要

This paper reports on diet selection of goats offered six browse species (i.e. Acacia natalitia [Vachellia natalitia], Acacia nilotica [Vachellia nilotica], Dichrostachys cinerea, Grewia occidentalis, Gymnosporia maranguensis and Scutia myrtina) commonly found in moist Zululand thornveld. The hypotheses tested were: (1) plant species and season affect diet selection, (2) physical traits such as leaf phenology, spinescence, shoot morphology and leaf size affect selection, and (3) selection is related to tannins, fibre and protein in ways that indicate nutrient maximisation. Six 2-year-old castrated indigenous goats weighing an average of 26 kg each were individually penned and maintained on a basal diet of pellets and grass hay. Six branches were offered simultaneously to individual goats and intake per branch recorded and used as an index for diet selection. Diet selection was significantly influenced by interactions between plant species and season. Scutia myrtina and Grewia occidentalis were consistently the most preferred species, whereas Gynmosporia maranguensis and Acacia nilotica were least preferred throughout the seasons. Goats preferred broad-leaf and long-shoot species over fine-leaf and short-shoot species across all seasons. These results suggest that short-term diet selection in subhumid areas is not as strongly influenced by leaf phenology and plant chemistry as in semi-arid savannas.


英文关键词browser feeding behaviour feed intake foraging plant-herbivore interactions
类型Article
语种英语
国家South Africa
收录类别SCI-E
WOS记录号WOS:000344857200004
WOS关键词SOUTH-AFRICAN SAVANNA ; WOODY-PLANTS ; INTAKE RATES ; SUBTROPICAL SAVANNA ; BROWSING RUMINANTS ; FEEDING-BEHAVIOR ; SEMIARID SAVANNA ; CAPRA-HIRCUS ; NGUNI GOATS ; CHEMISTRY
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/180474
作者单位1.Agr Res Council, Anim Prod Inst, Pretoria, South Africa;
2.Univ Zululand, Dept Agiculture, Kwa Dlangezwa, South Africa;
3.Univ KwaZulu Natal, Pietermaritzburg, South Africa;
4.CSIR, Pretoria, South Africa
推荐引用方式
GB/T 7714
Mkhize, Ntuthuko R.,Scogings, Peter F.,Nsahlai, Ignatius V.,et al. Diet selection of goats depends on season: roles of plant physical and chemical traits[J],2014,31(3):209-214.
APA Mkhize, Ntuthuko R.,Scogings, Peter F.,Nsahlai, Ignatius V.,&Dziba, Luthando E..(2014).Diet selection of goats depends on season: roles of plant physical and chemical traits.AFRICAN JOURNAL OF RANGE & FORAGE SCIENCE,31(3),209-214.
MLA Mkhize, Ntuthuko R.,et al."Diet selection of goats depends on season: roles of plant physical and chemical traits".AFRICAN JOURNAL OF RANGE & FORAGE SCIENCE 31.3(2014):209-214.
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