Sentences with phrase «limited breeding population»

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.»

Not exact matches

That finding is profoundly disturbing for wild tigers, given that in most sites where wild tigers persist they are limited to populations of less than 25 breeding adults.1
In the new study, Taylor examines how breeding forest fragmentation relates to the shape and strength of density - dependence or how dwindling resources limit bird population.
Traditional methods used to limit the impact of MSD include insecticides to control leafhopper populations (which are not affordable to most small - scale farmers and can be environmentally damaging), and conventional selective breeding of maize for resistance traits that naturally exist in some varieties.
Furthermore, our current knowledge of their global breeding population is limited.
The number of breeding offspring from higher - risk parents should be limited, so that you avoid the possibility of multiplying a defective gene in the breeding population.
Nothing is perfect but I fully agree with more controlled and limited breeding of all cats and dogs by responsible, reputable breeders to reduce the overall population, spaying and neutering all other dogs and cats and expanding the foster program, and helping some groups to become a sanctuary themselves to help those animals that are harder to adopt have a quality place to stay (following in the footsteps of the Best Friends model) until they are adopted, other programs that train some of these dogs to be therapy dogs, search and rescue dogs, dogs to help the handicapped, police dogs, etc..
But in a country with a tiny breed population or where the population has a limited founder base and a high frequency of the HSF4 mutation, the national clubs in those places may need to develop a multi-generational plan for slowly reducing the frequency of the mutation.
Everyone breeding to a limited number of dogs identified as not carrying the defective gene will only limit diversity, and could propagate other detrimental recessives in the population.
Elevated risk of elbow dysplasia relative to the mixed - breed population was also limited to particular subsets of the purebred population: herding, sporting, and working AKC groups.
This species is a rare seabird with a world population of less than 39,000 birds and a very limited breeding distribution, nesting only on the Channel Islands and on islands off the west coast of Baja California, Mexico.
The range is home to a number of important conservation targets which include, but are not limited to, at least 2 marine fish spawning aggregation sites, a breeding population of the endangered American Crocodile, and a number of threatened coastal marine habitats including the greater reef complex itself, beach forests that support several important species of resident and migratory birds and at least 2 species of marine turtles are believed to nest on the range.
While there is an unlimited possibility to the total population of Cryptokitties that the world is able to create through breeding, there is a limited number that are created by the smart contract itself.
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