Navigation Links
Deepwater Horizon crude less toxic to bird eggs after weathering at sea
Date:7/22/2011

After collecting weathered crude oil from the Gulf of Mexico following the Deepwater Horizon oil spill, researchers at The Institute of Environmental and Human Health (TIEHH) at Texas Tech University have reported that only 8 to 9 percent coverage on the shells of fertilized mallard duck eggs resulted in a 50 percent mortality rate.

However, scientists also reported the amount of time the oil remained at sea and exposed to weather had a significant effect on its toxicity to the fertilized duck eggs, said Phil Smith, an associate professor at TIEHH. They published their findings in Environmental Toxicology and Chemistry, the peer-reviewed flagship journal of Society of Environmental Toxicology and Chemistry (SETAC).

"If you can imagine a duck egg with about 10 percent of its surface area coated with this particular substance we found in the Gulf, you would expect about half of the bird embryos to die, according to our study," Smith said.

Because the timing of the Deepwater Horizon oil spill coincided with nesting periods for large numbers of Gulf Coast birds, Smith said researchers were interested in discovering the toxicity of the crude oil that was floating offshore and coated about 600 miles of beaches and marshlands.

Using a standardized method for examining the oil's toxicity, 160 eggs were treated with varying amounts of crude oil collected off the coast of Alabama about a month after the Deepwater Horizon oil spill.

"These kinds of studies have been conducted for about 40 or 50 years," he said. "It's not a novel or unique method for evaluating the toxicity of any kind of crude oil. What is novel about our approach is we went out to the Gulf and collected crude oil that was available during the spill. This method allowed for a realistic exposure scenario among bird eggs on the Gulf Coast during that time period. In that respect it's somewhat unique."

When compared to the toxicity of fresh crud
'/>"/>

Contact: John Davis
john.w.davis@ttu.edu
806-742-2136
Texas Tech University
Source:Eurekalert

Page: 1 2

Related biology news :

1. Gulf of Mexico ecosystems 1 year after the Deepwater Horizon
2. Science paper argues against conclusion that bacteria consumed Deepwater Horizon methane
3. Deepwater Horizon spill threatens more species than legally protected
4. Whale and dolphin death toll during Deepwater disaster may have been greatly underestimated
5. New study reveals aerosol plumes downwind of the Deepwater Horizon oil spill
6. First study of dispersants in Gulf spill suggests a prolonged deepwater fate
7. BOEMRE leads study of deepwater communities post-Deepwater Horizon spill
8. Resource restoration planning process begins for BP/Deepwater Horizon oil spill
9. Deepwater Horizon committee hears from oil industry executives -- Sept. 26 public meeting
10. New method successfully predicted how oil from Deepwater Horizon spill would spread
11. American Chemical Society symposium on Deepwater Horizon oil spill on Aug. 24
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:9/18/2014)... the ultimate form of camouflage: you don,t just blend ... is not as uncommon as you might think. Kathryn ... explains that the larval life stages of many marine ... the anatomy that most creatures cannot make transparent. Feller ... shield each individual eye unit with an opaque pigment ...
(Date:9/18/2014)... in the protective tentacles of host anemones, but new ... of kilometres across the open ocean. Although the process ... this is the first time that the high level ... , Dr Steve Simpson, Senior Lecturer in Marine Biology ... colleagues from the Australian Research Council Centre of Excellence ...
(Date:9/17/2014)... of the Santa Ana Wildfire Threat Index a ... the powerful, hot, dry Santa Ana wind, which can ... introduced Sept. 17 by the U.S. Forest Service, in ... , The index includes four classification levels ranging from ... fire agencies and other emergency responders, the media and ...
Breaking Biology News(10 mins):Transparent larvae hide opaque eyes behind reflections 2Expedition finds Nemo can travel great distances to connect populations 2Expedition finds Nemo can travel great distances to connect populations 3UCLA scientists play key role in developing new Santa Ana Wildfire Threat Index 2
... (MGH) researchers have developed a new type of miniature ... expand the application of minimally invasive diagnostic and therapeutic ... the team from the Wellman Center for Photomedicine at ... its use in a mouse model. , ...
... 4 cases of botulism following cosmetic injections to the ... unlicensed preparation that resulted in toxin levels up to ... a report in the November 22/29 issue of JAMA. ... by the toxins of the spore-forming bacterium Clostridium botulinum ...
... collaborating institutions report in this week's Science a ... 2.8 kilometers below Earth's surface. Think that's weird? ... water molecules to useable energy. , The ... the three-dimensional shell that encompasses all planetary life. ...
Cached Biology News:Three-dimensional, miniature endoscope opens new diagnostic possibilities 2Highly concentrated botulinum preparation for cosmetic injections can result in severe illness 2Highly concentrated botulinum preparation for cosmetic injections can result in severe illness 3Bacteria that use radiated water as food 2Bacteria that use radiated water as food 3
(Date:9/18/2014)... pretty expensive. Now a team led by an engineer ... of designs that will let scientists slash the cost ... pump. , Syringe pumps are used to dispatch precise ... chemicals in a reaction. They can also cost hundreds ... his team of Michigan Tech students published the library ...
(Date:9/18/2014)... device for computing may have just taken an encouraging ... York led by chemist Stephen O,Brien have discovered new ... , Combining both properties is very exciting scientifically for ... the devices that might ultimately be designed, in logic ... single material, however, has proved difficult until now. , ...
(Date:9/18/2014)... (PRWEB) September 18, 2014 Whitehouse Laboratories ... with Salem Realty Group and has acquired an additional ... within the Salem Executive Complex adjacent to its current ... held on Friday September 5th. Whitehouse Labs is in ... entire space specifically for package testing. The prime location ...
(Date:9/17/2014)... WA , Sept. 17, 2014 /PRNewswire/ - Oncothyreon ... it intends to offer and sell shares of its ... separate but concurrent underwritten public offerings.  The Series A ... of Oncothyreon Common Stock, provided that conversion will be ... affiliates would beneficially own more than 4.99% of the ...
Breaking Biology Technology:Doing science just got cheaper -- and faster 2Oxides discovered by CCNY team could advance memory devices 2Whitehouse Labs Announces Package Testing Laboratory Expansion 2Whitehouse Labs Announces Package Testing Laboratory Expansion 3Whitehouse Labs Announces Package Testing Laboratory Expansion 4Oncothyreon Announces Proposed Public Offerings 2
... BioLife,s Proprietary, Next Generation, Biopreservation, Media Resulted in Increased Yield ... ... Cells, BOTHELL, Wash., Oct. 24 ... of,proprietary hypothermic storage and cryopreservation media products for,cells, tissues, and organs, ...
... Corp. (Other,OTC: IDTA.PK) released today the Jant Pharmacal ... and Oversees markets., - The strategic partnership ... continues, has resulted in increasing market,penetration over the ... sales,have increased significantly in the United States with ...
... Notice of Allowance of European Patent Application Covering Its Core ... Product Applications Protection Rights to All Cytokine ... ... GenOdyssee (GO), a biotechnology,company dedicated to the discovery and development of ...
Cached Biology Technology:BioLife Solutions HypoThermosol(R) Adopted by MicroIslet for Processing Pancreatic Islet Cells to Treat Diabetes 2BioLife Solutions HypoThermosol(R) Adopted by MicroIslet for Processing Pancreatic Islet Cells to Treat Diabetes 3BioLife Solutions HypoThermosol(R) Adopted by MicroIslet for Processing Pancreatic Islet Cells to Treat Diabetes 4International Drug & Explosive Detection Firm Identa Corp Releasing: Jant Pharmacal Corporation Reports Successful Market Penetration of the Accutest(R) IDenta Co-brand in the United States and Oversees 2International Drug & Explosive Detection Firm Identa Corp Releasing: Jant Pharmacal Corporation Reports Successful Market Penetration of the Accutest(R) IDenta Co-brand in the United States and Oversees 3International Drug & Explosive Detection Firm Identa Corp Releasing: Jant Pharmacal Corporation Reports Successful Market Penetration of the Accutest(R) IDenta Co-brand in the United States and Oversees 4GenOdyssee Receives Broad Product Applications Protection in EU for Founding Natural Evolution Technology 2GenOdyssee Receives Broad Product Applications Protection in EU for Founding Natural Evolution Technology 3GenOdyssee Receives Broad Product Applications Protection in EU for Founding Natural Evolution Technology 4
Mouse Anti-Human Methyl-CpG binding domain protein 2 (MBD2 Monoclonal Antibody Family: Other Applications: Western Blot...
... Shaker combines shaking and rocking for maximal fluid ... 330 mm stainless steel or acrylic platform, it ... room operation. The platform angle is easily adjusted ... with action and rotation speed of platform is ...
...
Monoclonal Anti-Cystatin A tissue culture supernatant Solution containing 15 mM sodium azide human cystatin A ...
Biology Products: