FAO ANIMAL PRODUCTION AND HEALTH PAPER   31

Cover
hormones
in animal production
CONTENTS


selected papers
presented to

the joint fao/who expert committee
on food additives

geneva, 23 march - 1 april 1981


The designations employed and the presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.


M-23
ISBN 92-5-101213-X


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NOTE

The views expressed in the papers are those of the authors and do not necessarily reflect the views of the Food and Agriculture Organization of the United Nations.

References in the text to commercial preparations should not be interpreted as reflecting the expression by the Food and Agriculture Organization of the United Nations of any opinion concerning their value or that of other commercial preparations not so named.

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
Rome © FAO 1982


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CONTENTS

I. THE USE OF HORMONES IN ANIMAL PRODUCTION (Weiert Velle)

1. Introduction

2. Hormone preparations used in animal production

2.1 Hormones of endogenous origin

2.2 Hormones of exogenous origin

3. Range of application

4. Modes of application

5. Effects of hormones

5.1 Veal calves

5.2 Steers

5.3 Bulls

5.4 Heifers

5.5 Sheep

5.6 Swine and poultry

5.7 Undesirable side effects in treated animals

6. Mechanism of action of hormones

7. Levels of endogenous hormones in body fluids and tissues

8. Metabolism, routes and rates of elimination

8.1 Progesterone

8.2 Oestradiol-17β

8.3 DES

8.4 Zeranol

8.5 Trenbolone acetate (TBA)

9. Residues in edible tissues of hormone-treated animals

10. Hormones in food: meat from hormone-treated animals versus other sources

11. Economic implications of the use of hormones in animal production

12. Alternatives to the use of hormones

12.1 Breeding programmes

12.2 Regulation of rumen fermentation

12.3 Optimalization of the balance between the indirect and the direct feeding of the ruminant organism proper

12.4 Disease control

References

II. METHODS OF MEASURING HORMONE LEVELS IN ANIMAL PRODUCTION (R. Ferrando)

1. Introduction

2. The use of hormones in animal production, and its consequences

3. Methods of measuring hormone levels in animal products

References

III. CURRENT NATIONAL LEGISLATION RELATING TO THE USE OF CERTAIN HORMONES IN ANIMAL PRODUCTION (An annotated chronological index of legislative and regulatory provisions of various countries) (FAO Legislation Branch)

Introduction

AFRICA

Congo

Kenya

Morocco

Tunisia

Zimbabwe

AMERICA, NORTH, CENTRAL AND SOUTH

Argentina

Barbados

Brazil

Canada

Costa Rica

Mexico

Peru

United States of America

Uruguay

ASIA

Jordan

Lebanon

Philippines

EUROPE

European Communities

Belgium

Denmark

France

Germany (F.R.)

Greece

Ireland

Italy

Luxembourg

Netherlands

United Kingdom

Other countries

Finland

Poland

Spain

Switzerland

Yugoslavia

OCEANIA

Australia (South Australia)

New Zealand