Sheep Veterinary Practice - Tabla de Contenido | Page 5

CONTENTS IX
4.3.5
Signs of Selenium Deficiency
84
4.3.6
Subclinical Deficiency of Selenium
85
4.3.7
Clinical Pathology and Confirmation of Deficiency
85
4.3.8
Necropsy Findings
86
4.3.9
Treatment and Prevention of Deficiency
86
4.3.10
Selenium Toxicity
87
4.4
Vitamin
E Deficiency
88
4.4.1
Introduction
88
4.4.2
Dietary Sources and Requirements of Vitamin E
89
4.4.3
Clinical and Necropsy Signs of Vitamin E Deficiency
89
4.4.4
Subclinical Deficiency of Vitamin E
90
4.4.5
Clinical Pathology and Confirmation of Deficiency
90
4.4.6
Treatment and Prevention of Deficiency
90
4.5
Differential Diagnosis of Myopathy
91
4.6
iodine Deficiency( Including Goitre and Hypothyroidism)
92
4.6.1
Introduction
92
4.6.2
Goitrogens
93
4.6.3
Hypothyroidism Due to Inadequate
Dietary iodine
95
4.6.4
Inherited Hypothyroidism and Congenital Goitre
96
4.6.5
Hypothyroidism Due to the Ingestión of Goitrogens
96
4.6.6
Development of Hypothyroidism
97
4.6.7
Effects of Foetal Hypothyroidism
97
4.6.8
Clinical Signs of iodine Deficiency
98
4.6.9
Diagnosis of iodine Deficiency
99
4.6.10
Treatment and Prevention of Deficiency
99
4.7
Iron Nutrition
101
4.8
Molybdenum Nutrition
101
4.9
Manganese Nutrition
101
4.10 Zinc Nutrition
102
4.11 Investigation of Micronutrient Deficiencies
102
4.11.1
Clinical Pathology
102
4.11.2
Response Trials
104
4.12 Broad-Spectrum Supplementation
104
4.12.1
Licks and Blocks
104
4.12.2
Mineral Supplements for Oral Dosing and Risks of Mixing Products
104
Recommended Reading
105
References
105