搜索结果: 1-15 共查到“农学 Ammonia”相关记录29条 . 查询时间(0.062 秒)
The influence of litter age, litter temperature and ventilation rate on ammonia emissions from a broiler rearing facility
ammonia litter broiler chickens grow-out period ventilation rate
2015/6/8
The research reported in this article attempts to address the ammonia problem by quantifying the effect of several variables on ammonia concentrations and emissions. These variables include litter tem...
Effects of L-tryptophan, Fructan, and Casein on Reducing Ammonia, Hydrogen Sulfide, and Skatole in Fermented Swine Manure
Swine Manure L-tryptophan Fructan Casein Ammonia H2S Skatole B. subtilis
2016/5/18
The effects of daily dietary Bacillus subtilis (Bs), and adding L-tryptophan, fructan, or casein to fecal fermentation broths were investigated as means to reduce the production of noxious gas during ...
Effects of Saccharomyces cerevisiae Supplementation and Anhydrous Ammonia Treatment of Wheat Straw on In-situ Degradability and, Rumen Fermentation and Growth Performance of Yearling Lambs
Wheat Straw Ammonia-treatment Live Yeast In-situ Degradability Growth Performance
2016/5/18
The effects of Saccharomyces cerevisiae supplementation (6.6×108 cfu) and anhydrous ammonia treatment (3%) of wheat straw (WS) were investigated on in-situ dry matter (DM) degradability, and on rumen ...
Evaluation of Optimum Dietary Threonine Requirement by Plasma Free Threonine and Ammonia Concentrations in Surgically Modified Rainbow Trout, Oncorhynchus mykiss
Rainbow Trout Threonine Plasma Dorsal Aorta Cannulation
2016/5/18
This study was carried out to evaluate the dietary threonine requirement by measuring the plasma free threonine and ammonia concentrations in rainbow trout, Oncorhynchus mykiss after dorsal aorta cann...
Changes in phenols composition and activity of phenylalanine-ammonia lyase in apples after fungal infections
apples postharvest rot fungal pathogens
2015/3/4
Th e defensive reaction of apple cultivar Idared (Malus domestica Borkh.) was studied after inoculation with three diff erent pathogens (Penicillium expansum, Monilinia fructigena, and Gloeospor...
Venous and arterial ammonia in dairy cows with fatty liver and hepatic failure
dairy cows blood ammonia fatty liver
2015/2/5
In the present study we aimed to compare the arterial and venous plasma ammonia in dairy cows with fatty liver and hepatic failure. 75 Holstein-Friesian dairy cows were used in the investigation. Clin...
Assesment of Ammonia Volatility from Fall Surface-Applied Liquid Dairy Manure
Manure Ammonia Volatility Nitrogen Cycle
2014/11/17
Ammonia emissions from dairy and livestock operations are of significant environmental and human health concern in the United States. Conservation of ammonia from fall surface-applied manure could ben...
Variability of PSPAL1 (phenylalanine ammonia-lyase gene-1) proximal promoter sequence and expression in pea challenged with Mycosphaerella pinodes
expression Mycosphaerella pinodes phenylalanine ammonia-lyase gene-1 Pisum sativum polymorphism resistance
2014/7/9
Part of the PSPAL1 gene (corresponding to the proximal promoter, exon 1 and intron) from eight pea varieties was sequenced and compared to the published sequence of PSPAL1 gene from Midoriusui cultiva...
Ammonia and Carbon Dioxide Concentrations in a Layer House
Ammonia Carbon Dioxide Concentration Diurnal Pattern Laying Hens Houses
2016/5/17
Higher concentrations of ammonia (NH3) and carbon dioxide (CO2) in animal barns can negatively affect production and health of animals and workers. This paper focuses on measurements of summer concent...
Dynamics of Air Temperature, Velocity and Ammonia Emissions in Enclosed and Conventional Pig Housing Systems
Conventional Pig Housing Enclosed Pig Housing Ammonia Hydrogen Sulfide Air Velocity
2016/5/11
This study aimed to compare the dynamics of air temperature and velocity under two different ventilation and housing systems during summer and winter in Korea. The NH3 concentration of both housing sy...
Dynamics of Air Temperature, Velocity and Ammonia Emissions in Enclosed and Conventional Pig Housing Systems
Conventional Pig Housing Enclosed Pig Housing Ammonia Hydrogen Sulfide Air Velocity
2016/5/11
This study aimed to compare the dynamics of air temperature and velocity under two different ventilation and housing systems during summer and winter in Korea. The NH3 concentration of both housing sy...
Soluble Non-ammonia Nitrogen in Ruminal and Omasal Digesta of Korean Native Steers Supplemented with Soluble Proteins
Soluble Non-ammonia Nitrogen Omasal Digesta Diurnal Variation Korean Native Steer
2016/5/10
An experiment was conducted to study the effect of soluble protein supplements on concentration of soluble non-ammonia nitrogen (SNAN) in the liquid phase of ruminal (RD) and omasal digesta (OD) of Ko...
Rice yield, nitrogen utilization and ammonia volatilization as influenced by modified rice cultivation at varying nitrogen rates
Ammonia Volatilization N Use Efficiency Paddy Soil
2013/3/5
Field experiments were conducted in 2006 to investigate the impacts of modified rice cultivation systems on: grain yield, N uptake, ammonia volatilization from rice soil and N use efficiency (ANUE, ag...
Effects of Polyurethane Coated Urea Supplement on In vitro Ruminal Fermentation, Ammonia Release Dynamics and Lactating Performance of Holstein Dairy Cows Fed a Steam-flaked Corn-based Diet
Polyurethane Coated Urea Rumen Fermentation Ruminal Ammonia Release Lactating Performance
2016/5/4
Three experiments were conducted to investigate the effects of polyurethane coated urea on in vitro ruminal fermentation, ammonia release dynamics and lactating performance of Holstein dairy cows fed ...
A calculation program for real-time production of ammonia gas in animal houses
Ammonia animal barn computer program
2011/1/10
Ammonia is the major air contaminant in poultry houses. Ammonia emissions from animal houses influence the atmospheric environment, since aerial ammonia is one of the so called greenhouse gases and ha...