Sentences with phrase «stud dogs studied»
The research, published in the academic journal Scientific Reports, found that sperm quality in a population of stud dogs studied over a 26 - year period had fallen significantly.
https://www.sciencedaily.com/ Not exact matches
Between 1988 and 1998, sperm motility declined by 2.5 per cent per year and following a short period when stud dogs of compromised fertility were retired from the study, sperm motility from 2002 to 2014 continued to decline at a rate of 1.2 % per year.
I will select the stud dog and brood bitch with an eye to conformation, temperament, and working instinct and ability, with a careful study of the breed standard, and the principles of genetics.
The goal of this data - based driven study was to continue to assess the extent to which four factors are influencing the stud book and the future of 60 breeds in the conformation sport of purebred dogs.
However, there are many different types of breeders; some of whom maintain poor conditions, breed without care, and fail to back up their puppies with support, while others study the bloodlines of the stud and bitch before they breed, certify their breeding stock for genetic abnormalities, and prove their dogs in the show ring.