2 OVERVIEW OF DAIRY PROCESSING InfoHouse（2乳制品加工InfoHouse的概述）.pdfVIP

Chapter 2 Overview of Dairy Processing 2 OVERVIEW OF DAIRY PROCESSING Primary production and The dairy industry is divided into two main production areas: dairy processing the primary production of milk on farms—the keeping of cows (and other animals such as goats, sheep etc.) for the production of milk for human consumption; the processing of milk—with the objective of extending its saleable life. This objective is typically achieved by (a) heat treatment to ensure that milk is safe for human consumption and has an extended keeping quality, and (b) preparing a variety of dairy products in a semi-dehydrated or dehydrated form (butter, hard cheese and milk powders), which can be stored. Focus of this guide The focus of this document is on the processing of milk and the production of milk-derived products—butter, cheese and milk powder— at dairy processing plants. The upstream process of primary milk production on dairy farms is not covered, since this activity is more related to the agricultural sector. Similarly, downstream processes of distribution and retail are not covered. Industry structure and Dairy processing occurs world-wide; however the s