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An ectotherm (from the Greek ἐκτός (ektós) "outside" and θερμός (thermós) "heat"), more commonly referred to as a "cold-blooded animal", [1] is an animal in which internal physiological sources of heat, such as blood, are of relatively small or of quite negligible importance in controlling body temperature. [2]
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.
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 ...
However, others who keep chickens believe they are prone to illness in outdoor weather and need a controlled-environment coop. This has led to two housing designs for chickens: fresh-air houses with wide openings and nothing more than wire mesh between chickens and the weather (even in Northern winters), or closed houses with doors, windows and ...
A package of frozen pureed winter squash adds sweetness and good nutrition—namely vitamin A, potassium and fiber—to this soup version of a family favorite, mac and cheese.
The snow boot is used on very wet or snowy conditions, while winter boots are better used on well-maintained roads or paths, or even while shopping. Snow boots are made of easy-to-clean materials, but winter boots are not. However, this cleanability and waterproofing comes at the cost that snow boots are heavier, less breathable, and more ...
Thermoregulation is the ability of an organism to keep its body temperature within certain boundaries, even when the surrounding temperature is very different. A thermoconforming organism, by contrast, simply adopts the surrounding temperature as its own body temperature, thus avoiding the need for internal thermoregulation.
If the weather is bad remember, "ice and snow, take it slow," or just don’t go. Clear : Remove any snow on your vehicle’s windows, lights, brake lights and signals. Make sure you can see and ...