Sentences with phrase «estimated numbers of breeding»

Not exact matches

Also, many of the colonies where counts do exist were last counted several decades ago (Table 1), while other counts rely on estimates from late in the breeding season (i.e. after an unknown number of eggs and chicks had already been lost and adults may have already departed from the colony)[16].

Experts disagree on the exact number, but estimate there are more than 300 breeds of dogs.

The popularity of this breed is starting to pick up in the United States, but its current estimated numbers still only lie somewhere between 150 and 200.

The LE list serves as a tool that signals the low frequency of entries at conformation shows, the potential size of a breed club and the estimated number of exhibitors and breeders.

Why Numbers Increase The American Humane Association estimates that a breeding pair of cats adds 12 cats t their population each year.

The license certificate shall include the name and address of the owner, a description of the dog or cat including its breed, color, gender, and date of birth or estimated age, and the year and number of the license tag.

While both species share the same number of chromosomes and are capable of breeding, it is estimated that dogs separated from the wolves about 100000 years ago.

«This was clearly not realistic, as the estimated maximum numbers of birds killed typically exceeded breeding density and productivity combined, such that the prey populations studied would probably have gone extinct rapidly at a local level or acted as a major sink for birds immigrating from neighbouring areas.»

A mongrel, mixed - breed dog or mutt is a dog that does not belong to one officially recognized breed and is not the result of intentional breeding Estimates place their numbers at 150 million animals worldwide.

One advantage of the BVA / KC scheme is that over the years a huge amount of data has been collected by the Animal Health Trust (AHT) which can now be used to calculate estimated breeding values for HD in those breeds which have participated in the scheme in sufficient numbers.

This variant is also present in a number of Irish Setter dogs with PRA and has an estimated allele frequency of 0.26 in the breed.

The GWAS data was then used to estimate the number and size of ROH in the two breeds.

Retinal dysplasia appears to be inherited as an autosomal trait, at least in those breeds where sufficient numbers of individuals have been studied to reliably estimate the mode of inheritance [82 — 84].

So far this mutation has been detected in this breed only, with an estimated carrier frequency of 25 % based on a large number of samples collected form dogs originated from Finland, Sweden, United Kingdom and United States.

We used ANOVAs to quantify breed variability in behavioral characteristics and to estimate the amount of variance in popularity accounted for by number of inherited disorders.

Neither CERF nor OptiGen numbers provide a reliable estimate of PRA in any breed.