breed

In the migratory marathon, parasitized monarchs drop out early

...e migratory populations with smaller remnants that breed year-round and do not migrate. Study results suggest that if migration is lost from this system, remaining populations will become heavily parasitized. More generally, this study demonstrated that seemingly small effects of parasites on their hosts ...

Scientists discuss improved biopesticides for locust control in West Africa

...e locusts are in recession now because they do not breed in the dry season, but when the annual spring rains begin, they are expected to return. Participants at the seminar included ministers of agriculture from other West African nations, national plant protection directors and locust control personnel, ...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...ed by the elephant's reproductive biology. Females breed when they are in estrus--a brief period of ovulation that only occurs every two years and lasts just a few days. "Females in estrus make these very low, long calls that bulls home in on because it's such a rare event," O'Connell-Rodwell says. These ...

Making Sure Sacred Sheep Don't Become Extinct

...t 6,000 units of semen from Navajo-Churro sheep, a breed culturally important to the Navajo tribe of the Southwest. The breed was brought to this country 500 years ago by Spanish settlers, and Navajos have embraced and raised ...

Unique library of plant genes germinates, takes root at UNC

... plant with a small genome, like rice, he said. To breed better crops, it's important to be able to leverage the information from the tractable model systems that scientists already know so much about. "We will continue to add new features to Phytome over the next few years," Vision said. "Perhaps the mos...

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breed at Biology Products

Canine serum from Equitech-Bio

Collected from sexually mature, mixed sex, mixed breed dogs. Serum from specific breeds available by request....

Donkey Serum ( sterile ) from GeneTex

...ration : 85 mg/ml (by Refractometry).Strain: Mixed breed and sex....

Feline serum from Equitech-Bio

Collected from sexually mature, mixed sex, mixed breed cats. Physiochemical constituents are measured to ensure lot-to-lot consistency....

Normal Guinea Pig Serum from Equitech-Bio

Collected from sexually mature, mixed sex, mixed breed guinea pigs. Pricing: $120/unit for 1 - 10 units...

breed at Biology Technology

Entrepreneurship grant will build strong foundation

...es, the UW-Madison will work with partners to help breed entrepreneurs and spur more commercialization of research statewide. The work will start close to home, with most UW-Madison colleges or schools expanding their programming in what it takes to start a business. On one end of the spectrum, a course c...

Directors more assertive in corporate governance

...okepoints to head off wrongdoing - a trait the new breed of director must have. I think that boards are more aggressive today, by and large, with all of the activism that is taking place on the part of shareholders and with the new regulations from SOX 404 in particular, said Gerald Hobbs, managing direct...

Creativity, innovation extend to municipalities

...ts and maintenance. Revenue generation The new breed of politician and municipal administrator better come into the job with an understanding of how to develop new ideas and how to redevelop mature assets and processes into revenue-generating applications. Instead of the typical approach of "following...

PDS survives with technological reinvention

...onsecutive years of revenue growth. PDS is a rare breed - a memory chip broker that managed to survive 20 years in the chaotic world of technology by constantly reinventing itself. Schiefelbein, president and CEO, said the company's story is about recreating itself faster than the competition. The compan...

Geezers, grungers, gen-Xers and geeks - a look at workplace generational conflict

...lace and rooting out the negative ones before they breed resentment that impacts engagement and performance. Dont be afraid to do an honest assessment of your workplace. Is there a dominant view at work in your organization that is shaped by one generation of workers? Is that dominant generational view in...

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breed at Biology Definition

Population

...population denotes a breeding group whose members breed mostly or solely among themselves, usually as a re...ysical isolation, although biologically they could breed with any members of the species . Population density is a measure of the number of people or o...

Marine biology

...erwater visual devices. Most ocean life and fish breed in specific places, nest or not in others, spend their time as juveniles in still others, and in maturity in yet others. Scientists were at a loss for quite a while as to the location of many species during different parts of their life cycles. In fa...

Eugenics

...ations, to obtain by careful selection a permanent breed of dogs or horses gifted with peculiar powers of running, or of doing anything else, so it would be quite practicable to produce a highly-gifted race of men by judicious marriages during several consecutive generations. Furthermore, according to ...

Charles Darwin

...sidered Malthus's argument, that human populations breed beyond their means and compete to survive, in rela...ures to society in order to encourage the "fit" to breed and discourage the "unfit" from breeding) were two interpretations of what Darwin's views meant for ...

breed at Biology Dictionary

Wild-type

...spurts. Full article >>> Selective breed ing of plant s and animals has led to varieties...ties, maize, or the large number of different dog breed s. Full article >>> For the gene interrupted by the insertion sequence , one copy ...

Species

species reproductively isolated systems of breed ing population s having a similar morphology So...ation of related organ isms that can freely inter breed . Speciation The processes by which a single species splits into two or more species ... Ful...

Sorus

...natural population s that ordinarily do not inter breed with other such groups even when there is opportunity to do so. Full article >>>...

Semen

... from males, then used in fresh or frozen form to breed females. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... Full article >>> There have been since the antique times this idea that was initially touted by Aristotle that it's the male that is active and that heat will actually t...

Selection

... of genetic engineering also includes selective breed ing and other means of artificial selection . Genetic linkage map. A linear map of the relative positions of genes along a chromosome . Full article >>> Hardy-Weinberg Law -- the concept that both gene frequencies and genotype ...

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breed at Medicine News

New heart-healthy corn due in stores by 2007

A new breed of corn that mixes the conventional seed with a br...e oleic acid content climbs to 70 percent. The new breed still contains 10 percent saturated fat. The flavor from the new corn is said to be similar to con...

New breed of mice to live longer

Scientists had successfully created a new breed of mice that can reduce free radicals at the cellular level to extend life for themselves.// The reactive oxygen of the free radicals are known to damage cells and tissues that may lead to poor health and even death. The new research may be the firs...

Kidneys Can Be Transplanted From Animals Such As Pigs In Future

...deadly immune response. Attempts have been made to breed "safer" pigs but very little success has been reported so far. Patients given organs from these animals would still need their immune systems to be strongly depressed. Scientists are now working on how to trick the immune system from recognizing t...

The 'Mad Cow' Disease And Protein

...ed out on the brains of the autochthonous Pyrenees breed of cow will help to explain the operating mechanisms of the prions in bovine spongiform encephalopathy. This study, published in Brain Research, is an addition to the work of the Department of Pathological Histology and Anatomy at the University of...

Endemic Encephalitis in India can be controlled by early vaccination

...of Japanese Encephalitis Virus by mosquitoes which breed in water logged paddy fields in the monsoon seasons. The disease symptoms are characterized by fever, loss of consciousness and seizures and this years out-break has caused more than 764 child deaths in Uttar Pradesh. Compared to Uttar Pradesh the ...

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Volvulus

... persons by biting blackflies (buffalo gnats) that breed in fast-flowing rivers. Full article >>> or onchocerciasis, disease caused by the parasitic nematode worm Onchocerca volvulus . The worm larvae are transmitted by the bites of blackflies (genus Simulium) that live in fast moving...