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How much do climate fluctuations matter for global crop yields?(图)
climate fluctuations global crop yields
2019/10/23
The El Niño-Southern Oscillation, ENSO, has been responsible for recent widespread, simultaneous crop failures, according to a new study by researchers at Columbia University, the International F...
Assessing the amount of soil organic matter and soil properties in high mountain forests in Central Anatolia and the effects of climate and altitude
forest soil topographic conditions climate model semi-arid regions Turkey
2017/6/26
The objectives of this study were to determine the amounts of soil organic matter (SOM) stored within surface soils of high mountain forests and how the SOM amounts are affected by aridity and altitud...
Apparent total tract digestibility and ileal digestibility of dry matter,nitrogen,energy and amino acids in conventional,Bacillus subtilis-fermented and enzyme-treated soybean meal fed to weanling pigs
growth performance fermented soybean meal anti-nutritional factors antigens lectins trypsin inhibitors Bacillus subtilis T-cannula surgery
2016/12/8
Apparent total tract digestibility (ATTD), apparent ileal digestibility (AID) and standardised ileal digestibility (SID) of dry matter, nitrogen, energy and amino acids were evaluated in six weanling ...
Effect of maize kernel endosperm type and maturity stage on ruminal in situ degradability and post-ruminal in vitro dry matter and starch digestibility
maize grain dent flint vitreousness mean particle size rumen effective degradability starch degradability
2016/9/1
The objective of this study was to evaluate the interaction effect of maize grain texture (dent vs semi-flint) and two different stages of maturity (1/2 vs 3/4 milk line) on ruminal starch degradabili...
Effects of supplementing vitamin E on in vitro rumen gas production,volatile fatty acid production,dry matter disappearance rate,and utilizable crude protein
vitamin E rumen fermentation in vitro
2015/9/15
Two in vitro trials were carried out to study the effects of supplementing vitamin E (VE) on rumen fermentation. In Trial I, four levels of VE product (purity 50%), i.e. 0, 15, 30, and 60 mg/kg dry ma...
Do hog breeds matter? Investigating the price volatility in the Taiwan’s auction market
black hog indigenous hog breeds price actions
2015/7/28
Th e study analyzes the dynamic diff erences between the prices of black hogs and white hogs in Taiwan and determines whether these two products should be viewed as homogeneous commodities by an...
The effect of different dietary potassium and chloride levels on performance and excreta dry matter in broiler chickens
broiler chickens potassium chloride performance excreta moisture carcass indices
2015/6/9
The aim of this 3 × 3 factorial experiment on broilers was to investigate the effect of different dietary levels of potassium and chloride on chicken performance, carcass composition and dry matter co...
Changes in methane release from organic matter passing through the digestive tract of horses
horses feeds horse droppings
2015/6/8
Using the tests of methanogenic activity (TMA) changes in methane yield (YCH4) and anaerobic degradability (Dc) of organic matter of feeds and excrements were studied in an experimental group of six h...
Chemical composition and dry matter digestion of some native and cultivated grasses in Mexico
native grasses chemical composition nutritive value
2015/6/8
The objective of the study was to quantify differences in nutritive value, over four seasons, of native grasses such as Bouteloua curtipendula, Bouteloua trifida, Brachiaria fasciculata, Chloris cilia...
Effects of grass species on ruminal degradability of silages and prediction of dry matter effective degradability
grass silages grass species dry matter
2015/6/8
Forty samples of grass silages, made from the five most widely used grass species in ruminant nutrition (Dactylis glomerata L.,Phleum pratense L., Lolium perenne L., Festuca arundinacea L. and hybrid ...
Genetic relationship between milk dry matter and other milk traits in extended lactations of Polish Holstein cows
genetic parameters milk dry matter extended lactation milk urea nitrogen lactose
2015/6/8
The objective of this research was to examine heritabilities and genetic, phenotypic and permanent environmental relationships between milk dry matter (DM) and milk traits such as milk, fat, protein a...
Nutritive value of Trifolium pratense L. for ruminants estimated from in situ ruminal degradation of neutral detergent fibre and in vivo digestibility of organic matter and energy
clover forage vegetation stage NDF indigestible NDF potential degradability
2015/6/8
Seven clover (Trifolium pratense L.) samples were collected at three different stages of the same sward (first growth (I), n = 3; first regrowth (II), n = 3; second regrowth (III), n = 1) during the g...
Ruminal degradability of dry matter and neutral detergent fibre of grasses
rumen degradation parameters dry matter neutral detergent fibre in sacco method prediction equations
2015/6/8
A study was conducted (I) to determine rumen degradability (in sacco) of dry matter (DM) and neutral detergent fibre (NDF) of the most important grass species grown in the Czech Republic, (II) to comp...
Anaerobic degradability of organic matter of cattle faeces and a possibility of its utilization
degradability of phytomass anaerobic bioreactor organic matter difference in anaerobic degradability of feed and cattle faeces possibility of utilization
2015/6/8
The content of organic matter labile fractions is negligible in cattle faeces but the content of the anaerobically degradable fraction on the boundary of organic matter lability and stability is analy...
Effect of different agronomical measures on yield and quality of autumn saved herbage during winter grazing – 1st communication: Yield and digestibility of organic matter
low-input grassland winter grazing suckler cow forage quality Central Europe
2015/6/2
The objective of this paper was to obtain information about the effect of interactions and different agronomical measures on autumn saved herbage of different sites in Central Europe (Czech Republic, ...