scholarly journals Dietary Manipulation in Dairy Cattle: Laboratory Experiments to Assess the Influence on Ammonia Emissions

2005 ◽  
Vol 88 (5) ◽  
pp. 1765-1777 ◽  
Author(s):  
T.H. Misselbrook ◽  
J.M. Powell ◽  
G.A. Broderick ◽  
J.H. Grabber
Keyword(s):  
Dairy Cattle ◽  
Laboratory Experiments ◽  
Ammonia Emissions ◽  
Dietary Manipulation

Mitigating Ammonia Emissions from High-rise Hen Houses through Dietary Manipulation

2011 ◽  
Author(s):  
Hongwei Xin ◽  
Hong Li ◽  
Robert Burns ◽  
James B. Kliebenstein ◽  
Maro Ibarburu ◽  
...  
Keyword(s):  
Ammonia Emissions ◽  
Dietary Manipulation ◽  
High Rise

Ammonia emissions from naturally ventilated dairy cattle buildings and outdoor concrete yards in Portugal

2010 ◽  
Vol 44 (28) ◽  
pp. 3413-3421 ◽  
Author(s):  
José Pereira ◽  
Tom H. Misselbrook ◽  
David R. Chadwick ◽  
João Coutinho ◽  
Henrique Trindade
Keyword(s):  
Dairy Cattle ◽  
Ammonia Emissions

scholarly journals Reduction of ammonia emissions from dairy cattle cubicle houses via improved management- or design-based strategies: A modeling approach

2017 ◽  
Vol 574 ◽  
pp. 520-531 ◽  
Author(s):  
Luciano B. Mendes ◽  
Jan G. Pieters ◽  
Dennis Snoek ◽  
Nico W.M. Ogink ◽  
Eva Brusselman ◽  
...  
Keyword(s):  
Dairy Cattle ◽  
Ammonia Emissions ◽  
Modeling Approach

scholarly journals Ammonia Emissions from Dairy Cattle Barns in Summer Season

2012 ◽  
Vol 11 (12) ◽  
pp. 2116-2120 ◽  
Author(s):  
Ilker Kilic ◽  
Ercan Simsek ◽  
Erkan Yaslioglu ◽  
Ismet Arici
Keyword(s):  
Dairy Cattle ◽  
Summer Season ◽  
Ammonia Emissions

scholarly journals Prediction of ammonia emission from dairy cattle manure based on milk urea nitrogen: Relation of milk urea nitrogen to ammonia emissions

2010 ◽  
Vol 93 (6) ◽  
pp. 2377-2386 ◽  
Author(s):  
S.A. Burgos ◽  
N.M. Embertson ◽  
Y. Zhao ◽  
F.M. Mitloehner ◽  
E.J. DePeters ◽  
...  
Keyword(s):  
Dairy Cattle ◽  
Cattle Manure ◽  
Ammonia Emission ◽  
Ammonia Emissions ◽  
Urea Nitrogen ◽  
Milk Urea ◽  
Milk Urea Nitrogen

scholarly journals Ammonia emissions from dairy cattle manure under variable ventilation rates

2014 ◽  
Vol 14 (1) ◽  
pp. 141-151 ◽  
Author(s):  
Indrė Bagdonienė ◽  
Rolandas Bleizgys
Keyword(s):  
Dairy Cattle ◽  
Ventilation Rate ◽  
Ammonia Emission ◽  
Ammonia Emissions ◽  
Emission Rates ◽  
Flow Measurements ◽  
Air Exchange Rate ◽  
Variable Ventilation ◽  
Clean Air ◽  
Ventilation Rates

AbstractThe effect of variable ventilation rates on ammonia emission rates from manure was determined through mass flow measurements in a laboratory test unit and the possibility of reducing ammonia emissions by regulating the intensity of the ventilation in cowsheds. The air exchange rate represents an important determinant of ammonia emissions. A 4.5 times increase in ventilation rate causes ammonia emission to increase by 1.7-2.5 times. The effect of ventilation rate on ammonia emission from manure was found to increase under the condition of extremely high airflow rates, i.e. over 250 m3 h-1 m-2. Under the recommended ventilation rate of 105-420 m3 h-1 per cow, ammonia emission will vary from 2016 to 3195 mg h-1, respectively. The ammonia emissions can be significantly reduced in dairy cattle barns by reducing ventilation rates provided the air quality indicators remain in conformity with the requirements. The ammonia emissions can also be reduced in barns by controlling and diverting air flows inside the barns by preventing the clean air from reaching fresh manure as much as possible while reducing the vertical concentration gradient of ammonia.

Sign in / Sign up

Export Citation Format

Share Document