搜索结果: 1-12 共查到“畜牧学 Semi-arid”相关记录12条 . 查询时间(0.062 秒)
Evidence that acidifi cation-induced declines in plant diversity and productivity are mediated by changes in below-ground communities and soil properties in a semi-arid steppe
base mineral cations nitrogen cycling plant species richness plant–soil (belowground) interactions productivity semi-arid steppe soil aluminium ions soil microbial organisms soil nematodes structural equation modelling
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2015/2/4
Anthropogenic acid deposition–induced soil acidification is one of the major threats to biodiversity, ecosystem functioning and services. Few studies, however, have explored in detail how above-ground...
Short-t erm responses of a Stipa grandis/Leymus chinensis community to frequent defoliation in the semi-arid grasslands of Inner Mongolia, China
Grassland degradation Semi-arid Inner Mongolia Defoliation Productivity
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2015/2/4
Grassland degradation due to over-grazing causes severe ecological and economical problems in the semi-arid grasslands of Inner Mongolia, PR China. The development of sustainable management systems is...
Changes in carbon and nitrogen of Chernozem soil along a cultivation chronosequence in a semi-arid grassland
Changes in carbon nitrogen of Chernozem soil cultivation chronosequence semi-arid grassland
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2015/2/4
Changes in the carbon (C) stock of grassland soil in response to land use change will increase atmospheric CO2, and consequently affect the climate. In this study we investigated the effects of land u...
Nutritive Value of Grasses in Semi-arid Rangelands of Ethiopia: Local Experience Based Herbage Preference Evaluation versus Laboratory Analysis
Semi-arid Rangelands Spatial Variation in Feed Quality
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2016/5/11
We examined the nutritive value of common grass species in the semi-arid rangelands of Borana in southern Ethiopia using local experience based herbage preference (LEBHP) perception and laboratory tec...
Protein Status of Indigenous Nguni and Crossbred Cattle in the Semi-arid Communal Rangelands in South Africa
Albumin Alanine Aminotransferase Aspartate Aminotransferase Globulin Creatinine Urea
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2016/5/4
The objective of the current study was to determine factors influencing concentrations of protein-related blood metabolites in indigenous Nguni and crossbred cattle in the semi-arid communal rangeland...
Non-credit services of group-based financial institutions: Implications for smallholder women’s honey income in arid and semi arid lands of Kenya
Group-based financial institutions non-credit services smallholder women
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2011/1/10
This paper analyses the effect of non-credit services of joint liability credit institutions on smallholder women beekeepers’ honey income. The non-credit services offered to the beekeepers were mainl...
Influence of stocking rate on herbage production, steers livemass gain and carcass price on semi-arid sweet bushveld in Southern Botswana
Semi-arid sweet bushveld grazing herbage yield hectares per livestock stocking rate
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2009/3/4
The influence of stocking rate on vegetation and animal performance was investigated over a period of 15 years in the Semi-arid Sweet Bushveld of Southern Botswana. The objective of the study was to...
Seasonal changes in body condition scores of pigs and chemical composition of pig feed resources in a semi-arid smallholder farming area of Zimbabwe
Rural pig production body condition scoring Commelina benghalensis proximate analysis Richardia brasiliensis
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2009/3/3
There are few studies quantifying the productivity of rural pigs and evaluating the nutritive value of non-conventional feeds, such as weeds. The objectives of this study were to determine changes i...
Studies on Feed Intake and Nutrient Utilization of Sheep under Two Housing Systems in a Semi-arid Region of India
Housing System Sheep Semi-arid Region Nutrient Intake Blood Composition
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2016/4/15
An investigation was carried out to study the effect of two housing systems on feed intake and nutrient utilization of sheep in a semi-arid region of India. Two types of housing managements were adopt...
Breeding Prolific Garole with Malpura Sheep for Increased Reproductive Efficiency in Semi Arid Tropics of India
Reproduction Garole Crosses Sheep Performance Traits
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2016/4/15
Garole, a prolific small sized sheep breed of West Bengal, was introduced in the Mutton project of the Institute in 1997 to explore the possibility of incorporating fecundity gene(s) into monotocus Ma...
Nutritive Evaluation of Some Browse Tree Legume Foliages Native to Semi-arid Areas in Western Tanzania
Anti-nutritive Factors Tree Legumes Legume Fodder Nutritive Value Tannin Bioassay
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2016/4/14
Browse tree legume leaves from Acacia spp (A. nilotica, A. tortilis, A. polyacantha), Dichrostachys sp, Flagea villosa, Piliostigma thonningii, Harrisonia sp were evaluated for nutritive potential (ch...
Growth, Feed Conversion Efficiency and Carcass Characteristics of Malpura and Malpura × Awassi Crossbred Lambs in a Hot Semi Arid Environment
Carcass Characteristics Hot Environment Intensive Feeding Lambs
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2016/4/8
The growth rate, feed conversion efficiency and carcass characteristics of nine native Malpura (M) and eight Awassi Malpura half bred (AM) male lambs were compared under intensive feeding on ...