Valerie Porter – författare

Mason's World Dictionary of Livestock Breeds, Types and Varieties, now in its sixth edition, has a long history as a reliable and authoritative source of key livestock breed information. Intended as a list of livestock names and synonyms for breeds, groups, types and varieties worldwide, the dictionary aims to include all names found in the literature, 'defining' each breed or type with a brief indication of identifying characteristics, uses and source of origin. Expanded into a new edition, this established and trusted resource: Extends coverage to include yak and camelids in addition to the existing cattle, sheep, pigs, goats, horses, asses and water buffalo.Features well over 10,000 entries and cross-references on breeds, sub-breeds, types, varieties, strains and lines of species.Covers newly created and now-recognised local breeds documented over the past two decades. An important updated work, Mason's Dictionary forms a useful reference for livestock breeders and academics interested in breeds, as well as national and international organizations with interests in livestock.

Mason's World Encyclopedia of Livestock Breeds and Breeding describes breeds of livestock worldwide as well as a range of breed-related subjects such as husbandry, health and behaviour. This definitive and prestigious reference work presents easily accessible information on domestication (including wild ancestors and related species), genetics and breeding, livestock produce and markets, as well as breed conservation and the cultural and social aspects of livestock farming. Written by renowned livestock authorities, these volumes draw on the authors' lifelong interest and involvement in livestock breeds of the world, presenting a unique, comprehensive and fully cross-referenced guide to cattle, buffalo, horses, pigs, sheep, asses, goats, camelids, yak and other domesticants. Volume 1: contains asses, camelids, cattle, goats, horses and pigs Volume 2: contains sheep, water buffalo, yak and other livestock Coverage: Breed descriptions: including groups, types and varieties, history and links between groups, livestock products and trends for creating new breeds Wild species: ancestral and relatives, potential domesticants and hybridization Humans and breeds: spread of domestication, transhumance and pastoralism, social and cultural influences, suitability of different groups for different human purposes Genetics and Conservation: a dedicated section and glossary of terms Placing breeds in a practical agricultural context, this two volume encyclopedia will be of great value to agriculturalists, breeders, geneticists, biologists, rural historians, conservationists, ecologists, and all those who are interested in the rich diversity of livestock breeds.