Sentences with phrase «breed differences in»

These results may reflect the actual breed differences in tail chasing, but may also be the result of a difference in sampling methods between breeds, and activity of breed clubs in sharing information from the study to the dog owners.
This approach is most effective if many breeds are used or if mixed breed animals are used in addition to purebreds to reduce the false positives due to breed differences in allele frequencies.
[20] Duffy, D.L. et al, «Breed differences in canine aggression,» Appl.
The above study on Golden Retrievers [14] raised a major question about breed differences in the effects of neutering, which are relevant for breeders and caregivers of puppies when deciding if, and when, to neuter.
The assumption that «maleness» in at fault also ignores that there are breed differences in aggression, something we tend to sweep under the carpet nowadays.
In dogs, both the field of view and the degree of binocular vision vary by breed because of breed differences in position of the eyes.
9) Behavioral differences among breeds of dogs - current status of science - This blog entry analyzes a peer - reviewed research paper that highlights the current status of what is known about breed differences in behavior based on science (not bloggers, or hysteria).
Titled «Breed Differences In Canine Aggression,» the 6 year old paper detailed the results of questionnaires distributed among two random samples of dog owners.

Not exact matches

But when they walk into this new breed of restaurant, they can tell the difference, and they know that even though they will stand in line, pay at the counter and carry their food on a tray, they can expect something better.
In the United States, the diet of cows varies from those in Europe and Oceania, and there are also breed differenceIn the United States, the diet of cows varies from those in Europe and Oceania, and there are also breed differencein Europe and Oceania, and there are also breed differences.
After all, if there were set and proven ways to breed the best horses and to train them systematically to win, there would be little difference of opinion and therefore little interest in racing.»
Says LeRoy Jolley, trainer of 1980 Kentucky Derby - winning filly Genuine Risk, «The difference between the two sexes as far as horse racing goes is that a filly only has to win one major stakes race in her life [to demonstrate exceptional breeding potential], whereas a colt, to be valuable as a stallion, has to be a top - rated performer almost every race of his life.
A new study finds stress - response differences in the brains of foxes bred to be more or less aggressive toward humans.
And also for you dog people, we won't get into it in much detail, but my column in this issue, the Antigravity column, I suggest a modest proposal, if you will; that in order to answer some of the charges of creationists that there is no proof of evolution — we never saw any speciation in action actually happen, well, why don't we just say, the differences dog breeds [are] different species?
Instead we found that age and differences in breeding quality among individuals are important.
«Our findings give us insights into how fidelity to breeding and feeding destinations persist over many generations, resulting in differences between whale populations, and why some populations are more genetically differentiated from the rest.
Booth's study, «Nucleus accumbens neuronal maturation differences in young rats bred for low versus high voluntary running behavior,» was published in the Journal of Physiology.
In the 19th century, evolutionary biologist Charles Darwin pointed out that breeding led to striking differences between farm animals and plants and their wild counterparts, an observation that helped lay the foundation for his theory of evolution.
For one thing, if a collared female breeds late in the season, choosing a pied male can actually be advantageous because the «heterospecific» pair will produce more fledglings than a pure collared pair would, owing to interspecies differences in peak performance timing.
But to get the most out of canine gene hunts, geneticist Elaine Ostrander and her colleagues at the Fred Hutchinson Cancer Research Center in Seattle, Washington, realized that she needed to know the degree of genetic differences among various breeds.
Researchers from Uppsala University, Sweden, and the Broad Institute, USA, have identified both similarities and differences between a single tumor type in multiple dogs breeds; a finding they believe parallels the situation in the cancer of human patients.
It's the first time scientists have shown in selectively bred animals that the propensity for addiction is linked to differences in expression of genes for specific molecules in a specific brain region.
The vast majority of differences reported between organic and conventional milk come from what cows are fed and their breed, and is not anything unique to being organic or conventional in itself.»
The lack of genetic differences in Namibian elephants could also be attributed to their long distance migrations; large home ranges; recent increases in population size and range; or gene flow provided by male elephants breeding with different groups of female elephants.
In these images of rat brains, differences in gene expression of genes for fibroblast growth factor 2 (FGF2, top set) and dopamine 2 receptor (D2, bottom sett) can be seen in rats of two breeds before (left) and after (right) cocaine exposurIn these images of rat brains, differences in gene expression of genes for fibroblast growth factor 2 (FGF2, top set) and dopamine 2 receptor (D2, bottom sett) can be seen in rats of two breeds before (left) and after (right) cocaine exposurin gene expression of genes for fibroblast growth factor 2 (FGF2, top set) and dopamine 2 receptor (D2, bottom sett) can be seen in rats of two breeds before (left) and after (right) cocaine exposurin rats of two breeds before (left) and after (right) cocaine exposure.
«Because we had access to these rats that were bred for certain traits, and were able to control for environmental factors, such as the amount of drug exposure, we could assess differences in the brain both before and after the rats became addicted,» says Shelly Flagel, Ph.D., lead author of the new study and an assistant professor of psychiatry at U-M.
O'Malley said the next logical step in the research is to develop selective breeding strategies that better emulate mating strategies that occur in the wild and to learn whether new strategies can reduce the difference in reproductive success among hatchery - raised and wild fish.
«Small variations in breeding pools make for big differences in Yosemite toad use.»
Using both DNA sequencing and morphology, along with differences in plumage, breeding biology, vocalisation, habitat, distribution, dispersal and migration it was possible to show the differences between the two species.
The U.S. government decided in 2008 that there were no discernable differences between cloned and noncloned cows, goats and pigs, so it allowed the process in those animals, although mainly for breeding rather than meat production.
Researchers from Uppsala University, Sweden, and the Broad Institute, USA, have identified both similarities and differences between a single tumour type in multiple dogs breeds; a finding they believe parallels the situation in the cancer of human patients.
Skeletal differences appeared in the 18th century, when people began to keep and breed rabbits as pets.
We looked for SNPs associated with breeds fixed for floppy or erect ears, and found a single region on CFA10 that is likely responsible for the difference in ear type (Figure 3B).
To compare the breeds, the researchers analyzed the DNA samples from the cheek - swabs for subtle differences in genetic signposts, called microsatellite loci, among the dogs.
The amazing differences in size and behavior of the various dog breeds caught the attention of Charles Darwin in the 1800s.
It is important to note these differences through archaeological studies because, in Americas, animal raising and breeding have religious or cultural significance.
Researchers from SciLifeLab / Uppsala University, Sweden, and the Broad Institute, USA, have identified both similarities and differences between a single tumour type in multiple dogs breeds; a finding they believe parallels the situation in the cancer of human patients.
On top of that, scientific studies have not found significant differences in the nutrient content of bred made using modern production methods, compared to more traditional ones.
Bear in mind, variations will be seen in these differences due to the breed and age of chickens, their diet (grass, insects, and feed) and the season.
When the U.S. incarcerated more than 120,000 Japanese and Japanese Americans living on the West Coast during World War II, librarian Clara Breed made a difference in their lives by sending letters and care packages to them while they were interred.
The difference between pit bull types, Akitas, Huskies, or other powerful dogs, and breeds who are, in fact, more likely to bite (like Cocker Spaniels and Chihuahuas among others) is in the consequences, which increase in severity and mortality proportionally to the size and strength of the dog.
The results revealed that there were no significant difference in allergen levels between homes with hypoallergenic dogs and those with mixed - breed and purebred dogs.
Same noble breed; the only difference is in the people around them.
The book explains Coren's theories about the differences in intelligence between different breeds of dogs.
Both cats and dogs vary somewhat by their breed, size and genetic background, just like in people, practically the only difference is that they walk on all four legs, and we (as people) walk on two legs.
As noted above, although the only real difference between the four types of Belgian shepherds is coat type and color, the AKC registers three of the four types as separate breeds and enrolls the rough - coated variety in its Foundation Stock Service without full recognition.
The differences in my dogs are small because of my consistency breeding.
Factors such as the age and breed of cat can also make a difference in the cost of the insurance.
Consider a breed specific formula that factors in the difference in needs between large and small breed dogs.
In addition to differences in personality, disposition, and physical characteristics, various breeds have particular health and care issues as welIn addition to differences in personality, disposition, and physical characteristics, various breeds have particular health and care issues as welin personality, disposition, and physical characteristics, various breeds have particular health and care issues as well.
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