scholarly journals Influence of dietary crude protein concentration and source on potential ammonia emissions from beef cattle manure1,2,3

2005 ◽  
Vol 83 (3) ◽  
pp. 722-731 ◽  
Author(s):  
N. A. Cole ◽  
R. N. Clark ◽  
R. W. Todd ◽  
C. R. Richardson ◽  
A. Gueye ◽  
...  
Keyword(s):  
Beef Cattle ◽  
Crude Protein ◽  
Protein Concentration ◽  
Ammonia Emissions ◽  
Dietary Crude Protein

Effect of Dietary Crude Protein on Ammonia Emissions From Open-Lot Beef Cattle Feedyards

2003 ◽  
Author(s):  
Syamalakumar Pandrangi ◽  
David B. Parker ◽  
L. Wayne Greene ◽  
Lal K. Almas ◽  
Marty B. Rhoades ◽  
...  
Keyword(s):  
Beef Cattle ◽  
Crude Protein ◽  
Ammonia Emissions ◽  
Dietary Crude Protein

INFLUENCE OF DIETARY CRUDE PROTEIN ON POTENTIAL AMMONIA EMISSIONS FROM BEEF CATTLE MANURE

2013 ◽  
Author(s):  
N. A. Cole ◽  
R. N. Clark ◽  
R. Todd ◽  
C. R. Richardson ◽  
A. Gueye ◽  
...  
Keyword(s):  
Beef Cattle ◽  
Crude Protein ◽  
Cattle Manure ◽  
Ammonia Emissions ◽  
Dietary Crude Protein

Effects of dietary protein concentration on the efficiency of nitrogen utilisation in lactating dairy cows

2009 ◽  
Vol 2009 ◽  
pp. 78-78
Author(s):  
T Yan ◽  
F J Young ◽  
D C Patterson ◽  
C S Mayne
Keyword(s):  
Dairy Cows ◽  
Crude Protein ◽  
Protein Concentration ◽  
Production Systems ◽  
Mitigation Strategies ◽  
The European Union ◽  
Dietary Crude Protein ◽  
Lactating Dairy Cows ◽  
Stocking Rates ◽  
Animal Production Systems

The European Union Nitrates Directives set a limit on the amount (170 kg/ha) of manure nitrogen (N, = faecal N + urine N) that may be applied to land each year. This limit has very significant implications for stocking rates on intensive livestock farms. Consequently, there is increasing interest in developing mitigation strategies to reduce N output in faeces and urine in animal production systems. The objectives of the present study were to evaluate the effects of dietary crude protein (CP) concentration on the efficiency of N utilisation in lactating dairy cows.

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