What nutrients give animals energy?
Tiara Donnelly
2025-08-28 20:37:36
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: 23
Proteins, Fats, and Carbohydrates provide energy to the body.
Fats are the most concentrated source of energy in the diet.
Carbohydrates are added to commercial pet foods as an energy source to supply calories, add variety, fiber, and palatability to the diet.
Proteins serve as the source for essential amino acids in animals.
The more amino acids present in a protein, the higher its biologic value ⇒ better quality ⇒ less required.
Cats require at least twice as much protein as dogs.
Carbs in excess of an animal’s energy requirements are stored in the body as glycogen or fat and may lead to obesity.
Fats also enhance palatability, are necessary for the absorption, storage, and transport of the fat soluble vitamins (A, D, E, and K), and serve as a source of the essential fatty acids.
Malinda Oberbrunner
2025-08-20 20:30:53
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: 19
Carbohydrates are a source of energy, which keeps the body functioning. They also fulfil other needs within the body by helping to create other chemicals that are used within the body. Carbohydrates are used to carry out functions such as movement, growth and the metabolism. Fats are used as energy, but also to absorb fat-soluble vitamins. Proteins and fats provide structural material to build muscle and help the animal grow. Fats and lipids are used to build cell membranes and some signalling molecules. Once ingested, they can assist the animal to gain weight and be used to increase the volume of the diet without increasing the amount of feed. Water is used within the animals body to keep it hydrated, to regulate its temperature and prevent it from overheating, to regulate pH, assisting with digestion, joint lubrication and energy production amongst many more.
Zetta Adams
2025-08-11 12:30:07
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: 18
Carbohydrates are considered the primary source of energy for animals.
It provides power to the cells, body tissues, and brain.
Glucose is a popular component of carbohydrates that provides energy to animal tissues and boost milk production in the mammary gland.
Carbohydrates take one-half to two-thirds of a livestock’s daily calorie consumption.
Fat becomes an energy source when consumed.
Proteins are absorbed into the body and facilitate the development and repair of animal cells.
However, it is carbohydrates that perform a series of roles that help in the survival of your livestock, such as:
Regulate their digestive system
Provide energy to function well throughout the day
Boost processes in the body systems
Produce body heat that keeps them warm
Support in milk production among mammals
Additionally, fats facilitate the absorption of soluble vitamins like vitamins A, D, E, and K.
Lennie Vandervort
2025-08-01 04:41:31
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: 20
Fat is the highest energy nutrient available in the diet with a gross energy of 39.3 MJ/kg compared to that of carbohydrates 18 MJ/kg and protein 23.4 MJ/kg. The primary factor influencing the energy value of a feed ingredient is digestibility which differs between different ingredients and nutrient sources. Fat is a very simple nutrient which is not fermented in the rumen and is more efficiently metabolised than other nutrient sources such that NE value is higher than other ingredients. In the case of fat, minimal energy is lost in urine or methane gas, so the ME and digestible energy are essentially the same. However, this energy is only available to the animal if the nutrient is digestible, as the indigestible component will pass out of the animal in the faeces and make no energy contribution to the animal. The efficiency of conversion of ME to NE is not 100% efficient resulting in loss of energy as heat during mastication of feed and digestion and metabolism of nutrients.
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