Hot answers tagged

75 votes
Accepted

Are humans the only species who drink milk as adults?

Good observation! Gene coding for the lactase Gene LCT Mammals have a gene (called LCT C/T-13910) coding for the lactase enzyme, a protein able to digest lactose. ...
Remi.b's user avatar
  • 68.1k
41 votes
Accepted

Why is it advised that infants are fed mother's milk?

The phrase "Breast is best" is a hotly debated one (source: The Guardian and personal communications with many folks). The reason why we don't want to feed infants cow's milk is, however, anything but ...
AliceD's user avatar
  • 52.4k
35 votes

Are humans the only species who drink milk as adults?

The problem with this question is 1) wording and 2) access. "Drink" and "digest thoroughly" are two different things. The latter does not prohibit the former. It is only lactose that is not tolerated;...
anongoodnurse's user avatar
24 votes

Are humans the only species who drink milk as adults?

Just to point out an exception, adult cows sucking other cows' milk are not uncommon. At least, it's common enough to be a concern in dairy farms and for simple fixes to have been developed. The usual ...
Pere's user avatar
  • 586
21 votes

Does interspecies breastfeeding occur in the wild?

Yes, interspecies adoptions have been observed. They're rare enough that study is limited to case reports, and the causes are guessed at but not fully understood. However, I think it's clear that ...
Bryan Krause's user avatar
  • 45.3k
12 votes
Accepted

How long do fishes survive in a milk environment?

I can't support this answer with scholarly articles. But it's an interesting question if you think of milk as highly polluted water. Water from a tap (which is what goldfish usually live in) is '...
anongoodnurse's user avatar
12 votes

Are humans the only species who drink milk as adults?

Here is a bit of a tangential example, because it isn't milk from cows. There are some varieties of ants (Primarily the Leaf-cutter ant, if memory serves) which will collect, breed, feed, protect and "...
Thomas's user avatar
  • 121
9 votes

Are humans the only species who drink milk as adults?

Pigs can. At least one milk, and milk derivates, producer around here used/uses their own pig farms to dispose of all byproducts of production, overdue products returned from stores, same day unused ...
hhb's user avatar
  • 91
8 votes

Why is it advised that infants are fed mother's milk?

The contents of milk differ between species. For your example, cow's milk: Infants fed WCM [Whole Cow's Milk] have low intakes of iron, linoleic acid, and vitamin E, and excessive intakes of sodium,...
YviDe's user avatar
  • 2,258
4 votes
Accepted

Mammary gland development and lactation

There is a comprehensive 2012 review of the development of the mammary gland by Macias and Hinck which covers the poster’s question(s). I shall try to summarize the points they make regarding the ...
David's user avatar
  • 25.2k
3 votes

Does interspecies breastfeeding occur in the wild?

This video describes a cat feeding ducklings, and shows the ducklings subsequently still having the emotional attachment to their foster mother even after growing up.
user21820's user avatar
  • 386
2 votes
Accepted

Are casein proteins in UHT milk digestable for infants or toddlers?

UHT treatment increases the digestibility of casein. Ultra High Temperature Treatment, but Not Pasteurization, Affects the Postprandial Kinetics of Milk Proteins in Humans (Journal of Nutrition) ...
Jan's user avatar
  • 8,059
2 votes

Which mammal produces the most milk?

In animals, such as the blue whale, that fast during lactation, nutrients are mobilized from tissues (maternal reserves). Supply is mainly limited to body fat; thus, total available supply is ...
Heloise Frouin-Mouy's user avatar
1 vote

What advantage does lactose have as the main sugar in milk?

One of the advantages of lactose in breast milk is that it is digested slower than sucrose and its ingestion results in lower fluctuations of blood glucose levels thus being a stable source of energy. ...
Jan's user avatar
  • 8,059
1 vote

What advantage does lactose have as the main sugar in milk?

Yes it is thought to provide safer milk, less vulnerable to every bacteria that respires and multiplies on sucrose, and which lets the baby grow faster due to higher sugar content. Milk has evolved ...
bandybabboon's user avatar
  • 10.4k
1 vote

Why don't humans typically drink human milk after infancy?

Giving a woman food for her to inefficiently convert to different food is a waste of time and energy; it only makes sense for infants that can't eat much else (and even there, plenty of people find ...
swbarnes2's user avatar
  • 5,185
1 vote

Are humans the only species who drink milk as adults?

Milk (or food prepared with milk) is used to feed various domesticated animals like pigs or cats, also when they are adult.
h22's user avatar
  • 407

Only top scored, non community-wiki answers of a minimum length are eligible