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Outbreaks occur in cold and wet weather (in late summer, fall and winter). The outbreaks are often traced back to the presence of rodents in the breeding houses. These are thought to spread the disease from carcasses of dead birds (possibly from neighboring backyards), improperly disposed of.
Birds, especially waders, often have very well-developed heat exchange mechanisms in their legs—those in the legs of emperor penguins are part of the adaptations that enable them to spend months on Antarctic winter ice. [9] [10] In response to cold, many warm-blooded animals also reduce blood flow to the skin by vasoconstriction to reduce ...
The quantity of feed, and the nutritional requirements of the feed, depend on the weight and age of the poultry, their rate of growth, their rate of egg production, the weather (cold or wet weather causes higher energy expenditure), and the amount of nutrition the poultry obtain from foraging. This results in a wide variety of feed formulations.
[21] [22] As of 2016, snow tires were 3.6% of the US market and 35% of the Canadian market. [23] US states and Canadian provinces control the use of snow tires. [24] Of these, Quebec is the only jurisdiction that requires snow tires throughout. [25] Some may require snow tires or chains only in specified areas during the winter. [26] [27] [28]
Around 20 million people were under winter weather alerts across the regions, which received upward of an inch of snow in a weather system that produced a covering of light to moderate snow before ...
Allen's rule - Hare and its ears on the Earth [1]. Allen's rule is an ecogeographical rule formulated by Joel Asaph Allen in 1877, [2] [3] broadly stating that animals adapted to cold climates have shorter and thicker limbs and bodily appendages than animals adapted to warm climates.
Respiratory virus season is officially here in the U.S., making it a prime time to catch a cold. And because the average adult gets two or three colds a year, you could be dealing with an ...
Leafy greens—like spinach, kale, collards, lettuce and cabbage—deliver fiber and water, meaning they'll help keep you hydrated and fill you up with lots of nutrients in a few calories.