Dairy
Simply dairy means, it is a place of handling of milk and milk products.
Dairy Science
It is a branch of science which deals with the study and handling of milk and milk products with the application of scientific knowledge of dairy technology.
Dairy Technology
It is a branch of dairy science which deals with the processing of milk and manufacturing of milk products on an industrial scale e.g. making cheese, paneer, ghee, ice cream etc.
Milk
Milk can be defined in various ways.
A) Layman definition:
Generally milk is defined as the lacteal secretion from class mammalian before fifteen and five days after parturition.
B) Scientific definition:
Milk is defined as the lacteal secretion obtained from class mammalians, e.g. buffalo, goat, cattle, etc. It should be secreted from healthy well kept, well fed milch animal and should be free from colostrum. When it put for sale it must be confirmed to a legal standard.