Sentences with phrase «of breed differences»

Also has a different genetic classification of dog breeds, which helps genetic studies of breed differences.

The effect of breed differences can clearly be seen when comparing the energy requirements of Newfoundlands and Great Danes.

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.

Not exact matches

First, telling the difference between a pit bull and another breed of dog is almost impossible, even for the experts.

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 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?

With such a limited breeding population, even a small number of deaths from disease can be the difference between the survival of a population or extinction.»

That small difference convinced Belyaev of the experiment's promise, and he recruited Trut to carry out a larger breeding program.

They used sequences of maternally inherited mitochondrial DNA and «microsatellite genotypes,» or DNA profiles, to both describe the genetic differences and outline migratory connections between both breeding and feeding grounds.

This variability has previously allowed only gross differences to be distinguished — between, say, an Arab horse, bred to run over distances, and an American quarter horse, which is bred to sprint for just a quarter of a mile.

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.

There are, however, large differences between breeds, and between dogs of the same breed.

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.

These differences suggest that the ancestral population of apes that gave rise to humans, chimps, and bonobos was quite large and diverse genetically — numbering about 27,000 breeding individuals.

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 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.

This puts aside past taxonomic differences, and acknowledges that all captive animals should be part of a single, globally managed breeding programme and that captive facilities will share sperm and embryos «based on availability and need».

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.

The researchers also sought to determine whether the genetic differences they found would yield any general genetic classifications of dog breeds.

Kruglyak and his colleagues performed detailed statistical analyses of the data to detect patterns that would reveal genetic differences among the breeds.

The amazing differences in size and behavior of the various dog breeds caught the attention of Charles Darwin in the 1800s.

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.

From the 16th to 18th centuries, as selective breeding allowed for better yields of «edible carrots,» the differences between the domesticated food crop and its wild counterpart grew, and many of these medicinal uses were abandoned.

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.

The difference is that truck - based sport utilities are giving way to the new breed of family hauler, the so - called crossover utility vehicle.

Dear Miss Breed: True Stories of the Japanese American Incarceration During World War II and a Librarian Who Made a Difference.

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.

Although there are exceptions to every rule and the breed of dog can make a difference as well.

The book explains Coren's theories about the differences in intelligence between different breeds of dogs.

Titled «Breed Differences In Canine Aggression,» the 6 year old paper detailed the results of questionnaires distributed among two random samples of dog owners.

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.

Breed and size differences can influence the progress of periodontal disease, but the underlying principles are similar.

Take a look at our article on the types and breeds of Spaniel dogs to learn the differences between them.

Small cosmetic differences can sometimes be enough to recognize two dog types as separate breeds, while other dog breeds include a multitude of size and colour variations.

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.

Knowing the differences between the two dog breeds can be very useful for taking care of your chosen dog pet.

Any dog of any breed can be trained, and age doesn't make a difference either!

While a Yorkshire Terrier's nutritional needs may not be significantly different from those of a Shih Tzu, there are some subtle differences in nutritional requirements among breeds of different sizes and activity levels.

Do they really need to know the difference between a tongue flick in a brachycephalic breed versus other breeds or decipher what the various amplitudes and heights of tail wags might indicate?