Navigation Links
New strategy aims to reduce agricultural ammonia
Date:5/11/2011

As concerns about air pollution from large dairies and other concentrated animal feeding operations (CAFOs) continue to mount, scientists are reporting a practice that could cut emissions of an exceptionally abundant agricultural gasammoniaby up to 30%.

In the May-June 2011 issue of the Journal of Environmental Quality, a team led by Mark Powell, a soil scientist with the USDA Agricultural Research Service's U.S. Dairy Forage Research Center in Madison, WI, describes how natural plant compounds known as tannins can reduce both the amount of nitrogen cows excrete in urine, and the action of a microbial enzyme in manure that converts the nitrogen into ammonia on the barn floor.

The U.S. EPA already monitors ammonia emissions from large animal operations under the "Superfund" act, and in April a coalition of citizen groups petitioned the agency to begin regulating ammonia under the Clean Air Act, as well. Besides its pungent smell, ammonia that volatilizes from cattle manure is highly reactive in the atmosphere, forming particulates that travel long distances and contribute to environmental problems such as acid rain, nutrient pollution, and smog.

Feeding tannins to cattle could not only help dairy farmers reduce these impacts and meet regulatory standards, Powell says, but tannins could also boost nitrogen use efficiency in cows, thereby decreasing the need for expensive protein supplements. Only 20 to 35% of feed nitrogen ends up in milk on commercial dairy farms, with the remainder excreted about equally in manure and urine as the compound, urea.

Urea is produced when nitrogen-rich proteins break down mainly in the cow rumen, forming ammonia gas that's eventually converted to urea before being excreted. Tannins are thought to cut urea production by somehow allowing more protein to escape digestion in the rumen and enter the cow intestine, where it's used more efficiently to produce milk protein.

Tannins are
'/>"/>

Contact: Sara Uttech
suttech@agronomy.org
608-268-4948
American Society of Agronomy
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Effects of anthropogenic sound on marine mammals -- a research strategy
2. GUMC researchers hone in on new strategy to treat common infection
3. Mitochondria could be a target for therapeutic strategy for Alzheimers disease patients
4. Hope for a rabies eradication strategy in Africa
5. RNA research strategy for Europe takes shape
6. Therapeutic hypothermia is promising strategy to minimize tissue damage
7. New therapeutic strategy could target toxic protein in most patients with Huntingtons disease
8. A combined tooth-venom arsenal revealed as key to Komodo dragons hunting strategy
9. New strategy for inhibiting virus replication
10. Science Coalition commends Presidents strategy for innovation
11. IEEE-USA President endorses national innovation strategy
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/24/2014)... puts out a welcome mat to bacteria seeking to invade, ... study published this week in the Proceedings of the ... battle between microbe and host that researchers can exploit to ... oft-studied plant Arabidopsis puts out a molecular signal ... a hostile army were unknowingly passing by a castle, and ...
(Date:4/23/2014)... chronic inflammatory disorders among people of lower socioeconomic status ... to the microbes that thrive in rural environments, according ... in the journal Clinical & Experimental Immunology , ... less access to green spaces may be more apt ... system dysfunction. , When our immune systems are working ...
(Date:4/23/2014)... new study from the Indiana University School of Public ... and heart disease by finding a strong association between ... coronary heart disease. , The study found that heme ... by 57 percent, while no association was found between ... sources, and coronary heart disease. , The study was ...
Breaking Biology News(10 mins):How a plant beckons the bacteria that will do it harm 2How a plant beckons the bacteria that will do it harm 3Rural microbes could boost city dwellers' health 2Rural microbes could boost city dwellers' health 3Study: Iron consumption can increase risk for heart disease 2
... Researchers have identified genetic markers that may influence whether ... according to a national longitudinal study of thousands of young ... Developmental Psychology , a publication of the American Psychological Association. ... related in any way to academic achievement is a big ...
... laparoscopic surgery "minimally invasive" instruments enter the patient through ... work on different tasks, surgeons all see the same view. ... suited to the specific task? In a new paper, pediatric ... Brown University and Hasbro Children,s Hospital report that in a ...
... Cancer Center have uncovered a single molecule they say ... used to treat or prevent breast cancer in high-risk ... Cancer Research , the scientists say glucose-regulated protein 78 ... the agents tamoxifen and fulvestrant, turns off apoptosis, a ...
Cached Biology News:Genes may play role in educational achievement, study finds 2Individual perspectives improve laparoscopy 2Individual perspectives improve laparoscopy 3Single protein promotes resistance to widely used anti-estrogen drugs 2Single protein promotes resistance to widely used anti-estrogen drugs 3
(Date:1/15/2014)... Niagara Thermal Products is proud to announce that ... ("B3") as the critical thermal component supplier in support ... Corps of Engineers.  B3 has developed the only comprehensive ... destroys VOCs and other chemical pollutants, allergens and organic ...
(Date:1/15/2014)... This webinar will focus on EMA ... assessment in biosimilars. , Regulatory frameworks are evolving many ... however the complex nature of biopharmaceuticals makes the demonstration ... extremely challenging. Based on the specific aspects of biosimilar ...
(Date:1/15/2014)... 15, 2014 DTS Language Services, Inc ... Web Portal for Life Science organizations who need document translations. ... subject matter of their documents in advance with a selection ... time-to-delivery of translations, often a critical factor in clinical and ...
(Date:1/14/2014)... 2014 Date: Friday, April 11, 2014 , ... Club, 1360 Almshouse Road, Warrington, Pa. , Details: ... dedicated to finding a cure for hepatitis B and improving ... its annual Crystal Ball on Friday, April 11 at Warrington ...
Breaking Biology Technology:Niagara Thermal Products LLC Selected as Critical Supplier for Buffalo BioBlower Air Purification Systems 2Xtalks Life Sciences Webinar Examines Safety Assessment of Biosimilars 2DTS Improves Efficiency for Life Science Document Translations 2Hepatitis B Foundation to Host Annual Crystal Ball Gala 2
... 17, 2012 The " Anesthesia Drugs ... analyzes and studies the U.S. market for intravenous anesthesia drugs with ... buyers, export & import system for controlled substances in U.S. and U.S. ... in-depth TOC of   " Anesthesia Drugs ...
... clinical trial, a paralyzed woman was able to reach for and ... time in nearly 15 years by using her thoughts to ... the National Institutes of Health, is evaluating the safety and feasibility ... This is a type of brain-computer interface (BCI) intended to put ...
... 2012  Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR ) ... the Company,s common share repurchase program authorization by an ... of 2008, the Company has returned $236 million to ... and preferred shares, representing approximately 27% of its shares ...
Cached Biology Technology:Anesthesia Drugs Market in U.S. worth $7 Billion by 2015: MarketsandMarkets 2Anesthesia Drugs Market in U.S. worth $7 Billion by 2015: MarketsandMarkets 3Paralyzed individuals use thought-controlled robotic arm to reach and grasp 2Paralyzed individuals use thought-controlled robotic arm to reach and grasp 3Paralyzed individuals use thought-controlled robotic arm to reach and grasp 4Paralyzed individuals use thought-controlled robotic arm to reach and grasp 5Questcor Pharmaceuticals Expands Repurchase Program 2Questcor Pharmaceuticals Expands Repurchase Program 3Questcor Pharmaceuticals Expands Repurchase Program 4Questcor Pharmaceuticals Expands Repurchase Program 5
Goat anti-VAV2 Class: Antibody Product Group: Miscellaneous Antibody...
Rabbit polyclonal to M13 Bacteriophage Coat Proteins ( Abpromise for all tested applications)....
E2F-5...
Rabbit polyclonal to Flagellin ( Abpromise for all tested applications). Antigen: Synthetic peptide from the flagellin C terminal domain of Burkholderia pseudomallei....
Biology Products: