Sentences with phrase «by breeding traits»

Not exact matches

Per your assertions, humans in the cradle of humanity have been affected by Malaria for millions of years yet somehow, this negative trait is never bred out of the human population.

Renaud, E.N.C; Lammerts van Bueren, E.T.; Jiggins, J.; Maliepaard, C.; Paulo, J.; Juvik, J.A. and Myers, J.R. (2010) Breeding for specific bioregions: a genotype by environment study of horticultural and nutritional traits integrating breeder and farmer priorities for organic broccoli cultivar improvement.

Overseen by Animal Genetics and Breeding Unit (AGBU) researcher Matt Wolcott, the project is intensively genotyping and collecting accurate records for male and female reproduction, growth and tropical adaptation traits in Kaiuroo stud bulls and females during the next three years.

Additional keywords: crop improvement, crop modelling, G × E, genotype by environment interaction, plant breeding, trait simulation.

They live everywhere from the Côa Valley to the Velebit mountains in Croatia — often side by side with horses that other Rewilding Europe affiliates have back - bred for primitive traits.

That does not mean that breeders could create a 200 - pound Chihuahua by swapping the small IGF1 variant for another, she says, because multiple genes work together to shape a breed's traits, including its size.

«By crossing two different varieties of pea, you may be able to breed offspring with traits beyond those of either parent,» says Bueckert.

«Working with GM tomatoes that are different to normal fruit only by the addition of a specific compound, allows us to pinpoint exactly how to breed in valuable traits,» said Professor Cathie Martin from the John Innes Centre.

First observed by Darwin but best chronicled in a 20th - century Soviet attempt to breed tame foxes, domestication syndrome covers a range of unintended physical traits that emerge as a wild species is selectively bred for more docile behavior.

It also has applications in plant breeding by increasing the precision of markers for traits such as malting quality or stem rust.

Interestingly, we found osteoarthritis to be one of the most common conditions reported, which may be caused, in part, by breeding for cosmetic traits such as lower hindquarters or a sloping back.»

This paedomorphic trait is retained by adults of some breeds in many domesticated mammals, including dogs, cattle, goats, and rabbits.

By choosing to breed certain animals with each other, humans were able to select traits they prized.

With multiyear field studies, Xue identified plant traits related to drought tolerance, which can be used by breeders to develop drought - tolerant wheat cultivars and geneticists to screen molecular markers and speed the breeding process.

The ultimate software tool to speed up molecular breeding by easily tracking and selecting trait associated leads.

Much like domesticated animals, which we breed to specifically favor certain traits, humans are influenced by a sort of unnatural selection.

But the gene also prevents wheat from breeding with related ancestors that can contain a vast array of traits preferred by growers.

Plant breeding is the process by which people modify plants to get some particular traits.

What's most stunning about the anecdotes recounted by Dick's interviewees is how alike they are, and if his film doesn't delve quite deeply enough into the type of culture that breeds such conduct (specifically, the way in which the army projects strength as a masculine trait, thereby subconsciously disparaging female victimhood as an undesirable weakness), its spartan use of graphics and statistics conveys arguments with little grandstanding.

Horses, like dogs, are defined by breeds, and each have their own traits and purposes.

It should be remembered that many purebred dogs were bred to assist their breeder by using their distinctive dominant trait.

This inherited trait is strongly affected by lifestyle and is evident in certain large breed dogs such as the Newfoundland, German Shepherd, Saint Bernard, and the Old English Sheepdog.

A good litter is the result of careful planning and research by the breeder to ensure the best traits of the breed are passed on to the puppies.

It says physical traits required by the Kennel Club's breed standards in the U.K., such as short faces, wrinkling, screw - tails and dwarfism, have led to inherent health problems.

Because dog breeding is mainly assortative breeding, without the sorting of individuals by trait, a breed could not be established, nor could poor genetic material be removed.

The multi-part report, «Pedigree Dogs Exposed» looked at the health problems experienced by certain breeds as a result of breeders striving to accentuate certain physical traits.

********************************************************************************************************* The pit bull's unusual breeding history has produced some bizarre behavioral traits, described by The Economist's science editor in an article published a few years ago, at the peak of a heated British controversy over dangerous dogs that saw the pit bull banned in England.

A pit bull, is defined as any dog that is an APBT, Am Staf Terrier, Staff Bull Terrier, or any dog displaying the majority of physical traits of anyone (1) or more of the above breeds, or any dog exhibiting those distinguishing characteristics which substantially conform to the standards set by the AKC or UKC for any of the above breed.

That aside though, because most dogs are fairly easy to identify by most people across breeds; there is no standardized system of identifying and recording these traits.

A Labrador pitbull mix will exhibit a combination of the physical traits and characteristics exhibited by the parent breeds.

If you are a serious breeder or a conscientious occasional breeder, have your dogs certified free of the trait by the OFA or, at the very least, have your veterinarian thoroughly examine your pet for a tendency to patellar luxation before considering breeding.

The selection of certain traits is achieved only by generations of careful breeding, discarding dogs that don't have the desired qualities and narrowing the gene pool until the right combinations occur with regularity.

While the Border collie German shepherd dog is not a purebred dog, you can have a general idea about what traits to expect by looking at the parent breeds.

Breeding by those who are improperly educated about breed specifics can cause the less - desirable traits and characteristics of a breed to resurface.

Apparently, certain traits are significantly more or less appealing to adopters as there is substantial variation in adoption rates by breed type.

With new ideas and improved management, breeders can make better selections and reduce the confusion caused by the uncertainties surrounding the risk of producing the unwanted traits and disorders that lie hidden within the pedigrees of the breeding stock.

For example, a trait might be produced by breeding two carriers to each other or it might involve only one carrier acting alone.

While there are a few different physical traits between these lovable breeds, and the primary differences relate to ancestry and naming conventions employed by breeders and registry organizations.

The Labrador retriever, and virtually every other recognized purebred breed, of today is the result of carefully selected use, by those who developed the breed, of other breeds many, many years ago to refine and strengthen specific traits breeders wanted.

The ordinance targets the «American Pit Bull Terrier, American Staffordshire Terrier, Staffordshire Bull Terrier or any dog displaying a majority of physical traits of one or more of the above breeds, or any dog exhibiting those distinguishing characteristics which substantially conform to the standards established by the American Kennel Club (AKC) or the United Kennel Club (UKC) for any of the above breeds.

These are all heritable traits, and where these compromise the health or welfare of the cat, International Cat Care believe such traits or mutations should not be perpetuated by continued breeding.

That, they say, is the result of a small initial pool of founding dogs, and «bottlenecks» caused by breeding for «desirable» traits like a big head and a short snout.

For hundreds of years, dogs have lived side - by - side with humans, not only offering companionship and unconditional love, but working alongside us, performing tasks suited to the inherent physical and mental traits of their breeds.

It's a breed trait caused by their loose jowls that were designed to help make water retrievals easier for the dogs.

Dog breeds are dogs that have relatively uniform physical characteristics developed under controlled conditions by humans, with breeding animals selected for phenotypic traits such as size, coat color, structure, and behavior.

With genetic testing at each subsequent generation, and with a goal of breeding normal by carrier or normal by affected, the frequency of disease will drop and frequency of normals will increase without loss of other desirable traits valued in collies.

Although not recognized by the American Kennel Club as individual breeds, many owners are drawn to poodle mixes, hoping to combine the best of each breeds» personality and traits.

This breed, developed in the 1980s by a music teacher from Louisiana, is defined by its extremely short legs, a trait owing to a genetic mutation.

The American Pit Bull Terrier was the origin of the American Staffordshire Terrier, but the American Staffordshire Terrier was bred for different purposes starting in the 1930s, so they've had time to develop different traits and are recognized by the AKC as a different breed.

However by rigorously sorting by breed - particular traits, you may drastically improve the chances that the cat you choose will likely be an incredible match to your household.