Navigation Links
Costly breeding programs for endangered species pay off

the case, but it could be that genes lost through minimal inbreeding allowed the MAI populations to better adapt to the harsh conditions in the wild."

Meffert chose to conduct her experiments on common houseflies because they breed every few weeks. This model system allowed her to simulate several years of breeding for endangered species that breed only once or twice per year.

In order to simulate small populations of rare animals in zoos, breeding lines were founded by just five pairs of males and female flies. Moreover, because flies lay many eggs, and most higher-order animals have small broods, each fly breeding line was allowed to grow by no more than 50 percent per generation.

Each time a pair of flies mated, researchers measured the fitness of the pair by counting the number of eggs the female laid, and by measuring the number of eggs that hatched.

In the MAI breeding scheme, brothers and sisters were never allowed to mate and were instead paired only with offspring from other breeding pairs. In the alternate breeding scheme, the females were allowed to contribute a disproportionate share of offspring to subsequent generations, based on their fitness scores.

The release into the wild was simulated by adding environmental stress. In the "post-release" breeding scenario, temperatures in incubators were altered on a 12-hour cycle based upon the high and low temperatures recorded in Houston that day.

In both strategies, all breeding lines survived in captivity. In the "wild" setting, four of the inbred populations went extinct, compared to just one extinction for the MAI lines.

"Apparently, the stressful environment served to select only the most fit lines while the more benign environment allowed low-fitness lines to persist in captivity," said Meffert.

Though the findings clearly support the case for expensive MAI breeding schemes for some endangered animals, Meffert suspects that might not be the
'"/>

Source:Rice University


Page: 1 2 3

Related biology news :

1. Research suggests fitness of Florida panthers improved by limited breeding with Texas animals
2. El Nino events affect whale breeding
3. Wolves are suffering less from inbreeding than expected
4. Turtles are loyal in feeding as well as in breeding
5. Amgen introduces comprehensive financial assistance programs for cancer patients
6. Investment level in HIV prevention programs related to HIV incidence in the United States
7. Leading scientists rank endangered dolphins, porpoises most in need of immediate action
8. Time and money make a difference in endangered species recovery
9. Removing egg from nest may help save endangered whooping crane
10. Cattle grazing may help rather than hurt endangered species
11. Envisat radar surveillance protects endangered prehistoric fish
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Costly breeding programs for endangered species pay off

(Date:8/12/2015)... CORAL SPRINGS, Florida , August 12, 2015 /PRNewswire/ ... globally, the pace of mobile payment innovation and advanced ... continues to replace the way consumers rely on using ... forges ahead with reinventing the future for payment services ... Inc. (NASDAQ: NXTD ), :  Google, Inc. (NASDAQ: ...
(Date:8/12/2015)... Calif. , Aug. 12, 2015  Synaptics ... of human interface solutions, today announced that four ... announced Match-in-Sensor solution, have officially been named FIDO ... As part of the certification, Synaptics, Natural ID™ ... 1.0 Universal Authentication Framework (UAF) standard and are ...
(Date:8/10/2015)... BOSTON and TELTOW, Germany ... SensoMotoric Instruments (SMI), a world leader in Eye ... the completion of its OEM Eye Tracking Platform for ... Eye Tracking Platform contains reference designs for seamless integration ... kiosk systems, virtual reality HMDs and augmented reality smart ...
Breaking Biology News(10 mins):Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 2Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 3Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 4Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 5Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 6Synaptics Announces FIDO Certification of Natural ID Fingerprint Solutions 2Synaptics Announces FIDO Certification of Natural ID Fingerprint Solutions 3SMI Completes OEM Eye Tracking Platform to Cover All Consumer Displays 2SMI Completes OEM Eye Tracking Platform to Cover All Consumer Displays 3
... will not become pregnant, and they cannot be helped by ... Gothenburg, Sweden, have identified a molecule called Cdk1 that has ... this could lead to an increased rate of successful IVF. ... struggle to become pregnant. In vitro fertilization (IVF) can help ...
... the University of California, Davis, have invented a superthin ... "The material itself (say, semiconductor wafers) would break ... of biomedical engineering. He and his fellow researchers have ... thick layer between two surfaces. Pan,s nanoglue, which conducts ...
... In a brief paper in the journal Bioinformatics ... Web-based program called Spliceman for predicting whether genetic mutations ... potentially leading to disease. "Spliceman takes a set ... likely these single nucleotide variants alter splicing phenotypes," write ...
Cached Biology News:Discovery of a molecule that initiates maturation of mammalian eggs can lead to more IVF pregnancies 2Will a genetic mutation cause trouble? Ask Spliceman 2
(Date:9/3/2015)... 2015  StemProtein LLC, a leading manufacturer of ... Stemedica Cell Technologies Inc., announced today that it ... of StemProtein. Silberg will help advance the Company,s ... Cell Factors (SCFs), a significant consumer opportunity. ... and biopharmaceutical industries with substantial executive level experience ...
(Date:9/3/2015)... ... 2015 , ... Michigan-based technology startup Halo Wearables ... The device, called the Halo H1, is a wearable that monitors the user’s ... track trending interstitial fluid levels in the body, in addition to sodium-potassium ratios ...
(Date:9/2/2015)... 2, 2015 Research and Markets ... of Jain PharmaBiotech,s new report "Nanobiotechnology ... offering. An increasing use ... industries is anticipated. Nanotechnology will be applied ... from formulations for optimal delivery to diagnostic ...
(Date:9/2/2015)... 02, 2015 Research ... addition of Jain PharmaBiotech,s new report "Biochips ... to their offering. This report is ... and applications. The report starts with a description ... markets. Technologies include array comparative genomic hybridization (CGH), ...
Breaking Biology Technology:StemProtein Names Thomas H. Silberg As CEO, To Focus On Stem Cell Secreted Proteins Addresing A Variety Of Health And Beauty Related Needs 2StemProtein Names Thomas H. Silberg As CEO, To Focus On Stem Cell Secreted Proteins Addresing A Variety Of Health And Beauty Related Needs 3Technology Startup Halo Wearables to Unveil Non-Invasive Hydration Monitoring Device Early 2016 2Global Nanobiotechnology Applications, Markets and Companies Report 2015-2024 2Global Nanobiotechnology Applications, Markets and Companies Report 2015-2024 3Global Biochips and Microarrays Technologies, Markets and Companies Report 2015 with Market Size in 2014 and Projected Value for the Years 2019 and 2024 2
... Biosciences, a privately held company leading the development of ... David J. Mazzo, Ph.D., President and Chief Executive Officer, ... at the Conrad Hotel in Tokyo, Japan. Dr. ... October 6, 2009. The Conference brings together premier biotechnology ...
... ... in the United States to determine the best way to protect their facilities both physically ... ... the FBI, will be offering a series of workshops around the country in the next ...
... The Matan Companies has teamed up with Federal Capital ... of the National Cancer Institute,s 330,000 square foot Advanced ... Frederick, Maryland. The state-of-the art 200 million dollar ... is slated for delivery in mid 2011. As ...
Cached Biology Technology:Regado Biosciences To Present at the 2009 Japan Biopharma Partnering Conference on October 6, 2009 2Matan Companies Teams with Federal Capital Partners to Finance the National Cancer Institute at Riverside Research Park in Frederick, Maryland 2Matan Companies Teams with Federal Capital Partners to Finance the National Cancer Institute at Riverside Research Park in Frederick, Maryland 3Matan Companies Teams with Federal Capital Partners to Finance the National Cancer Institute at Riverside Research Park in Frederick, Maryland 4
... Dish uses include large-scale colony-counting and plaque-lifting, ... Flexys TM automated colony picking and ... new product number, created to easily match ... yet, please order under the old Sigma-Aldrich ...
BD BioCoat Collagen IV 150 mm Culture Dishes...
Polymerase (RNA) II (DNA directed) polypeptide L...
Chicken Anti-Human DNA-directed RNA Polymerase II 7.6 Kd Polypeptide (POLR2L Polyclonal AntibodyOther Sub-Family: not assigned-Other Applications: ELISA, Western Blot...
Biology Products: