sylvatic plague การใช้

• Threats include fragmentation and loss of habitat, unregulated eradication or control efforts, and sylvatic plague.
• Because black-footed ferrets prey on black-tailed prairie dogs, wild ferret populations also fall victim to sylvatic plague.
• Sylvatic plague is normally enzootic, meaning it occurs at regular, predictable rates in populations and specific areas.
• Sylvatic plague is most commonly found in prairie dog colonies and some mustelids like the black-footed ferret.
• Sylvatic plague, caused by the bacterium " Yersinia pestis ", can quickly eliminate entire black-tailed prairie dog colonies.
• Sylvatic plague, he explained, is carried by fleas, and is the disease known as bubonic plague when it occurs in humans.
• In recent years, sylvatic plague, known as bubonic plague in humans, has severely reduced prairie dog colonies in the West, Knowles said.
• What was not expected was the epidemic of sylvatic plague that wiped out most of Shirley Basin's prairie dogs, the ferrets'main food source.
• They can directly contract Sylvatic plague ( " Yersinia pestis " ), and epidemics in prairie dog towns may completely destroy the ferrets'prey base.
• But sylvatic plague, known as the bubonic plague in humans, has killed off prairie dogs on thousands of acres in the region since the early 1990s.
• The center studies several diseases that affect American wildlife including bat white nose syndrome, chronic wasting disease ( CWD ), avian influenza, and sylvatic plague, among others.
• Prey animals are not immune to the disease, and outbreaks of various strains of plague, such as sylvatic plague, have on occasion devastated populations of black-tailed prairie dogs and black-footed ferrets.
• Adomestic cat and a bobcat in the nearby community of Keene also died of pneumonic plague, a more contagious and dangerous form of bubonic plague or the sylvatic plague that is endemic among California ground squirrels and other rodents.
• This is a major reason for the population decline, though there are other factors, such as " land development, deteriorating rangeland health, the encroachment of woody vegetation, sylvatic plague, and drought . " Conservation efforts include encouraging landowners to improve the health of their rangelands, and compensating farmers who set aside areas the prairie dogs may use.