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Which animal has the largest mammary gland in the world?

Answer
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Hint: Mammary gland, a milk-producing gland found in all-female mammals and present in males in a rudimentary and generally nonfunctional form. The endocrine system regulates mammary glands, which become functional in response to hormonal changes associated with parturition.

Complete answer:
The mammary glands of a blue whale are the largest in the world. A blue whale's breast is only 5 feet long and as big as a small person, but it weighs as much as a newborn elephant at 250 pounds.

All blue whales have inverted ones that only come out when the baby whale stimulates them. They are ejected with milk. They aren't sucked, and babies simply catch the milk as it is ejected by their mother.

Whales produce a lot of milk to ensure the survival of their young. The blue whale calf grows at an astounding rate of 100 kgs per day. This means it must consume more than 150 litres of milk per day. The liquid is also high in all of the nutrients required for the calf's growth.

The consistency of the milk is one of the main reasons whales can successfully breastfeed underwater. Whale milk has an unusually high-fat content, ranging from 35% to 50% fat in many species.

Because of the high-fat content, the milk is thick enough to pass through the water. Because baby whales lack lips, they cannot feed in the same way that land mammals do. The high-fat content of the milk is important because the adult female whale can eject liquid into the mouth of the calf without it dissolving into the water around their lips.

Blue Whale is the animal with the largest mammary gland in the world.

Note: Female whales have offspring every 1 to 5 years, though this varies greatly depending on the species. The whales do not reproduce more frequently, giving the calves plenty of time to mature and increase their chances of survival. The lactation habits of baleen whales and toothed whales differ. Baleen whales nurse their calves for a shorter period of time. Baleen whales have a lactation period that lasts 5 to 7 months. The baleen whales fast during this time, eating only small amounts of food.