Sentences with phrase «on breed population»

Another aspect of the HSF4 test's potential effect on the breed population relates to the breed's other significant health issues.

However, depending on the breed population structure in countries outside North America, the frequency of the mutation might be higher or lower.

Meanwhile, wildlife biologists will need to continue to keep an eye on breeding populations — recovering well, but nevertheless still in need of monitoring, from the ravages of DDT and persecution in the past century.

Not exact matches

The things I find most appalling about religion reach a new zenith in Islam --(i) a dulling down of individual thought and a dogmatic requirement to conform to the views of the masses; (ii) a stultifying ignorant education system in which anything inconsistent with the Qur» an is not just discouraged, but censored; (iii) the subjugation of women to the point of educating them to be nothing but mindless f * king, breeding machines for their insecure husbands; (iv) a political class that feeds off the religious - based ignorance it imposes on its populations; and (v) a general back - sliding against the rest of the planet because heads are buried in Dark Ages mythology.

«It is my desire and my purpose to further the education of the people of Texas and elsewhere in wildlife conservation, in the knowledge of the breeding and living habits of our wild creatures and in the relationship of wildlife to domesticated livestock on our ranches and farms; to afford students and others interested in wildlife betterment and propagation and in the raising of wildlife along with domesticated animals a place for research and an opportunity for the study thereof; and to develop scientifically methods of increasing the wildlife population of the state and nation for the benefit of future generations... who may not have the opportunity to know and appreciate our wildlife, as I have, unless methods of increasing and conserving our wildlife are scientifically developed.

As Capital first reported, the state Department of Environmental Conservation quietly posted a plan on its website this month that would involve closing the plant for up to 100 days in the spring and summer in order to mitigate damage to Hudson River fish populations during breeding season.

«However, our UK breeding curlew population stands on the brink of collapse.

Many factors are taken into account when assessing the conservation status of a species: not simply the number remaining, but the overall increase or decrease in the population over time, breeding success rates, known threats, and so on.

The model also incorporates data on how people typically move between home, work, school, and shopping; on sexual behavior (Zika can be spread through unprotected sex); and on factors that affect mosquito populations, such as seasonal temperature swings, rainfall, and breeding sites such as caches of old tires.

Unfortunately, as monitoring efforts continue, we may see these pretty patterns cut short: warming temperatures could deplete phytoplankton populations, which means less fish, squid, and krill for the birds to feast on, and could affect whether sooty shearwaters have enough energy to make it back to their New Zealand breeding grounds.

The snails used to breed on small flood plain islands where annual flooding prevented a population explosion.

In the case of the passenger pigeon, Hung and his colleagues concluded that the population of breeding birds was roughly 330,000 on average, falling to as few as 50,000 birds at points in the last million years.

Overall, the study's data from mitochondrial DNA — different from nuclear DNA in that it helps scientists trace maternal lineages — reveal that population structure in humpback whales is largely driven by female whales that return annually to the same breeding grounds and by the early experience of calves that accompany their mothers on their first round - trip migration to the feeding grounds.

Replacing ordinary mosquitoes in the wild with genetically modified mosquitoes hasn't yet been attempted, though scientists have been working on «gene drive» techniques that cause DNA modifications to spread quickly into a wild population via ordinary breeding.

The increase in population size also seems to have levelled off in the Turku region, whereas the breeding population continues to grow outside large urban areas both in the coastal archipelago and on inland lakes.

The ongoing loss of juveniles could lead to a situation where the population crashes, since population growth and stability both rely on having enough calves survive to sexual maturity — so they, too, can breed and produce offspring of their own.

«The next step is to find out which stowaways will have the greatest chance to survive the journey in ballast tanks or on the ship hulls, and which are most likely to establish breeding populations after arriving in the Arctic.

The only population of snow geese in all of Asia breeds on Wrangel island.

For instance, after researchers discovered a remnant population of 24 Lord Howe Island stick insects dwelling under a single bush on an island cliff face, conservationists launched a major captive - breeding program.

Understanding population dynamics is crucial for the conservation of long - lived species like albatrosses, but collecting data on albatrosses before they reach adulthood and begin to breed is challenging.

They monitored the birds after their release, tracking their survival and breeding success, as well as collecting the same data on 36 - 110 breeding pairs per year in the original national park population.

Isle Royale National Park recently affirmed that as long as a breeding population of wolves exists on the island there would be no intervention in the near term.

In 1991, with only 100 field crickets remaining in a single population in West Sussex, researchers at the London Zoo embarked on the sort of captive breeding program usually reserved for higher - profile or furrier animals.

The study was conducted on a free - living population of European shags (Phalacrocorax aristotelis) that breed on the Isle of May National Nature Reserve in the Firth of Forth, Scotland.

The plan could mean the hatchlings imprint on the east coast of Florida, which «may impact which breeding population they join once maturing,» Allman says.

The focus of the research team, which includes UD graduate student Clark Nissley, was on the Atlantic brant goose, a bird whose population has been fluctuating and on a moderate decline for many years, to learn if limitations during the summer breeding season have accelerated that trend.

The study, published in Heredity, sheds new light on evolutionary aspects of pig species, and particularly on that of the Iberian breed, considered to be representative of original European Mediterranean populations.

Oppel and his team found that they could use audio recordings to estimate a bird's population size after testing the method on a raucous colony of Cory's shearwaters that breeds on a small island in the Azores called Corvo.

Increasing efforts on the northern coasts of the islands and expanding marine - protected areas north to where the penguins are now feeding and breeding could support population growth, the study's authors said.

The research, published in the British Trust for Ornithology (BTO) journal Bird Study, looked at the breeding populations of three species of large gull; Herring Gull, Great Black - backed Gull and Lesser Black - backed Gull on the Hebridean island of Canna, and the relationship between these gull populations and the fall in the quantity of fish landed in the nearby harbour of Mallaig.

As this species only breeds in bamboo, unregulated overharvesting of bamboo for paper and pulp may destroy breeding habitats and have a negative impact on the long - term viability of populations.

Taylor in collaboration with Bridget Stutchbury, a leading expert on songbirds, reached that same conclusion through a demographic model of the wood thrush population covering the entire network of wintering and breeding regions.

Pressure on those wild populations has since dropped, thanks to efforts to increase captive clownfish breeding.

The overarching goal of the project is to better understand how and why monarch populations vary in time and space, with a focus on monarch distribution and abundance during the breeding season in North America.

Rabinowitz acknowledges the greater urgency for captive breeding, but disputes whether the data on population size, sex ratio and breeding success in the wild are good enough to say that wild populations are in terminal decline or that captive breeding — «an absolute last resort», he says — is the only option.

This has been shown to have a small but significant impact on population size by increasing the number of breeding birds, as well as influencing the sex ratio.

Christopher Peck and colleagues used GPS telemetry data from males like this one to predict the behavior and habitat selection of bears exploring landscapes outside the Greater Yellowstone Ecosystem, on journeys that could bring them into contact with breeding grizzly populations in the Northern Continental Divide Ecosystem, and vice versa.

The idea is that Passenger Pigeons evolved to live in huge flocks and became dependent on their large flocks, meaning they could not produce enough offspring to survive unless there were billions of them, either for social reasons (they would not breed in small flocks), for predator reasons (they could not satiate predators without huge flocks), or for resource reasons (they could not find adequate food sources in small populations).

Group matrix models shed light on population dynamics, Allee effects in meerkats and evolution of cooperative breeding

For instance, the management of captive breeding programs or the release - and - translocation of animals can be based on a much more precise understanding of specific population genetics and pedigree of individuals being bred or released.

In other words, the yield increases are really due to the old method of selection or population breeding, which farmers have relied on since agriculture began.

Because farmed fish are raised on unnatural diets and in small enclosures they often breed disease, which can pass to wild populations.

Specification points covered are: Paper 2 Topic 1 (4.5 - homeostasis and response) 4.5.1 - Homeostasis (B5.1 lesson) 4.5.3.2 - Control of blood glucose concentration (B5.1 lesson) 4.5.2.1 - Structure and function (B5.2 lesson) Required practical 7 - plan and carry out an investigation into the effect of a factor on human reaction time (B5.2 lesson) 4.5.3.1 - Human endocrine system (B5.6 lesson) 4.5.3.4 - Hormones in human reproduction (B5.10 lesson) 4.5.3.5 - Contraception (B5.11 lesson) 4.5.3.6 - The use of hormones to treat infertility (HT only)(B5.12 lesson) 4.5.3.7 - Negative feedback (HT only)(B5.13 lesson) Paper 2 topic 2 (4.6 - Inheritance, variation and evolution) 4.6.1.1 - sexual and asexual reproduction (B6.1 lesson) 4.6.1.2 - Meiosis (B6.1 lesson) 4.6.1.4 - DNA and the genome (B6.3 lesson) 4.6.1.6 - Genetic inheritance (B6.5 lesson) 4.6.1.7 - Inherited disorders (B6.6 lesson) 4.6.1.8 - Sex determination (B6.5 lesson) 4.6.2.1 - Variation (B6.9 lesson) 4.6.2.2 - Evolution (B6.10 lesson) 4.6.2.3 - Selective breeding (B6.11 lesson) 4.6.2.4 - Genetic engineering (B6.11 lesson) 4.6.3.4 - Evidence for evolution (B6.16 lesson) 4.6.3.5 - Fossils (B6.16 lesson) 4.6.3.6 - Extinction (B6.16 lesson) 4.6.3.7 - Resistant bacteria (B6.17 lesson) 4.6.4.1 - classification of living organisms (B6.18 lesson) Paper 2 topic 3 (4.7 - Ecology 4.7.1.1 - Communities (B7.1 lesson) 4.7.1.2 - Abiotic factors (B7.1 lesson) 4.7.1.3 - Biotic factors (B7.1 lesson) 4.7.1.4 — Adaptations (B7.2 lesson) 4.7.2.1 - Levels of organisation (feeding relationships + predator - prey cycles)(B7.3 lesson) 4.7.2.1 - Levels of organisation (required practical 9 - population sizes)(B7.4 lesson) 4.7.2.2 - How materials are cycled (B7.5 lesson) 4.7.3.1 - Biodiversity (B7.7 lesson) 4.7.3.6 - Maintaining Biodiversity (B7.7 lesson) 4.7.3.2 - Waste management (B7.9 lesson) 4.7.3.3 - Land use (B7.9 lesson) 4.7.3.4 - Deforestation (B7.9 lesson) 4.7.3.5 - Global warming (B7.9 lesson)

The school is a central city school located on 25th and North Ave.. It is exceeding the national performance level for the population it serves, and breeds a culture of success.

The same thing happened in Colonial India [i]: a bounty was offered on cobras because they were attacking people, which caused people to breed cobras for more bounties, and ultimately resulted in a higher cobra population when the bounty system was abandoned and the breeders released their now worthless snakes.

What's more, these animals are commercially bred and pose no threat on native populations.

But instead of retiring Chai and Bamboo to a sanctuary, the Woodland Park Zoo elected to keep them within the American Zoo Association's Species Survival Program, which focuses on maintaining zoo populations of endangered animals through captive breeding.

Killing an entire canine population based on the breed?

«Because all breeds are susceptible to genetic disease, rare breeds, such as the Drents, have fewer numbers of available breeding dogs and are therefore more susceptible to inherited conditions simply because of population constraints», said Lisa G Shaffer, PhD, CEO of Paw Print Genetics and the lead scientist on the study.

«Pure bred» cats are uncommon and comprise approximately 3 - 5 % of the cat population on this continent but, there are over 40 breeds recognized among all of the feline registry organizations in North America.