Animal Husbandry SS 3 Curriculum Guides – Animal Health (Farm Animal Diseases and Causal Agents, Livestock Parasites and Prevention and Control of Farm Animal Diseases and Pests)

THEME – ANIMAL HEALTH 

TOPIC 1 – FARM ANIMAL DISEASES AND CAUSAL AGENTS

INSTRUCTIONAL MATERIALS

1. Pictures and charts of disease causal agents

2. Live sick farm animal

3. Films showing animal diseases

LEARNING OBJECTIVES

By the end of the lesson, students should be able to:

1. define the concept diseases in farm animals.

2. state the symptoms of a disease in farm animal.

3. mention the predisposing factors to farm animal diseases.

4. outline the causal agents to farm animal disease.

5. explain the mode of transmission of farm animal diseases.

CONTENTS OF THE LESSON

FOCUS LESSONS 

Farm Animal Diseases

A. Definition

Farm animal diseases are illness unhealthy or abnormal condition in the body of farm animals.

These illnesses result in changes in the well-being of these animals.

B. Basic Symptoms 

The symptoms of farm animals diseases of farm animal diseases include –

• Enlarged udder

• Sores

• High fever

• Blood stained

• Diarrhea

• Loss of weight

• Loss of hair

• Reduced productivity

• Abortion

• Death

C. Predisposing Factors 

• Malnutrition

• Harsh weather conditions

• Overcrowding

• Uncontrolled mating

• Injuries

• Untreated wound

• Poor sanitation

• Poor housing

• Poor handling of baby livestock

• Inbreed depression

• Improper medication

D. Causal Agents 

• Bacteria

• Virus

• Fungi

• Protozoa

E. Mode of Transmission 

• Contact with the infected animals

• Contact with discharges

• Vector (tsetse fly)

• Inhalation of aerosols

• Ingestion

• Indirect transfer by fomites, such as equipment, footwear or vehicles, etc.

• Contaminated feeds and water

• Airborne

LESSON PRESENTATION

TEACHER’S ACTIVITIES

The teacher,

1. displays charts of disease causal agents and mode of transmission.

2. identifies symptoms of diseases.

3. displays live sick farm animals.

 

 

STUDENT’S ACTIVITIES

The students,

1. familiarize themselves with charts displayed.

2. participate in the identification of symptoms

LESSON EVALUATION

Students to,

1. define the term disease.

2. state the symptoms of a diseased condition in farm animals.

3. mention five predisposing factors to Farm animal diseases.

4. outline three causal agents to animal diseases.

5. explain the mode of transmission to farm animal diseases.

THEME – ANIMAL HEALTH 

TOPIC 2 – LIVESTOCK PARASITES

INSTRUCTIONAL MATERIALS

1. Pictures and Charts

2. Specimens of Parasites

• Tick

• Lice

• Flees

• Mites

• Tap worm

• Roundworm

• Liver fluk, etc.

LEARNING OBJECTIVES

By the end of the lesson, students should be able to:

1. define the term farm animal parasites.

2. state the classes of farm animal parasites.

3. mention the effect of parasites on farm animals.

CONTENTS OF THE LESSON

FOCUS LESSONS 

Livestock Parasites

1. Definition

Livestock parasites are living organisms that feed inside the animals or on the body of the animals.

2. Classes of Farm Animal Parasites 

A. Ectoparasites

Ectoparasites are external parasites such as flies, ticks, lice and mites.

They lived and feed directly on the body of animals.

B.. Endoparasites 

Endoparasites are internal parasites such as worms, flukes and protozoa.

They lived and feed inside the body of the animals.

3. Effects of Parasites on Farm Animals

• They make the animals weak.

• They make the animals to loss of appetite.

• They reduce the growth rates.

• They reduce the reproductive rates.

• They reduce the production of meat, eggs and milk.

• They damage the hides and fleeces.

• They fleece weight, fibre diameter and staple strength.

LESSON PRESENTATION

TEACHER’S ACTIVITIES

The teacher,

1. provides samples of parasites.

2. draws diagram of farm animal parasites and displays charts.

 

 

STUDENT’S ACTIVITIES

The students interact with charts and specimens provided by the teacher.

 

LESSON EVALUATION

Students to,

1. define the term farm animal parasites.

2. state the classes of parasites.

3. mention at least three effect of parasites on farm animals.

THEME – ANIMAL HEALTH 

TOPIC 3 – PREVENTION AND CONTROL OF FARM ANIMAL DISEASES AND PESTS (PARASITES)

INSTRUCTIONAL MATERIALS

1. Pictures and charts

2. Films showing animal parasites and their control

LEARNING OBJECTIVES

By the end of the lesson, students should be able to:

1. state the methods of prevention and control of farm animal disease.

2. discuss prevention and control measures of livestock parasites.

CONTENTS OF THE LESSON

FOCUS LESSONS 

1. Prevention and control of Livestock Diseases 

• Quarantine

• Vaccination

• Inoculation

• Hygienic condition

•  Good feeding/nutrition

• Rotational grazing, etc.

 

2. Control of Livestock Parasites

• Isolation

• Hygienic condition

• Use of chemicals

• Rotational grazing, etc.

LESSON PRESENTATION

TEACHER’S ACTIVITIES

The teacher demonstrates methods of preventing diseases and parasites of farm animals.

 

 

STUDENT’S ACTIVITIES

The students observe and practice how to prevent and control farm animal diseases and parasites.

 

LESSON EVALUATION

Students to,

1. state five methods of disease control in farm animal.

2. discuss the prevention and control measures for animal parasites.