Course Content
Microscopes and Microscopy
MICROSCOPES AND MICROSCOPY OBJECTIVES By the end of this topic, the trainee should be able to: 1.Name various types of microscopes. 2.State the function of parts of a microscope. 3.Describe the use of compound light microscopes describe care and maintenance of compound microscopes. 4.Describe preparation of microscope slides
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The Cell
OBJECTIVES By the end of this topic, the trainee should be able to: 1.Define and explain meaning of terms. 2.State types of cells. 3.Describe the cell structure under the light microscope. 4.State the functions of cell organelles. 5.Describe the process of mitosis and meiosis. 6.Describe physiological processes of cells. 7.describe the techniques of cell isolation. 8.Describe the procedure of temporary cell preparation.
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Microorganisms
OBJECTIVES By the end of this topic , the trainee should be able to: 1.Classify the major groups of microorganisms. 2.State the general characteristics of each group. 3.Explain their mode of nutrition and reproduction. 4.Describe culture media. 5.Describe culturing techniques for bacteria. 6.Describe methods for determining bacteria population. 7.Describe sterilization and disinfection techniques.
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Immunological Techniques
OBJECTIVES By the end of this topic, the trainee should be able to: 1.Define terms. 2.Describe types of immunity. 3.Describe types of immune cells. 4.Describe the lymphoid organs and tissues. 5.Describe serological and immunological techniques.
0/8
Herbarium Techniques
OBJECTIVES By the end of this topic , the trainee should be able to: 1.Explain terms 2.Describe importance of collecting and preserving herbarium specimens 3.Describe sources of herbarium specimens 4.Describe collection of herbarium specimens 5.Describe preservation of herbarium specimens 6.Describe display of herbarium specimens
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Museum Techniques
OBJECTIVES By the end of this topic, the trainee should be able to: 1.Explain terms. 2.Describe importance of collecting and preserving museum specimens. 3.Describe sources of museum specimens. 4.Describe collection of museum specimens. 5.Describe preservation of museum specimens. 6.Describe display of museum specimens
0/5
Vivarium Techniques
OBJECTIVES By the end of this topic, the trainee should be able to: 1.Explain terms. 2.Describe importance of vivarium. 3.Describe essential features of a vivarium. 4.Describe construction of a vivarium. 5.Describe maintenance of a vivarium.
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Aquarium Techniques
OBJECTIVES By the end of this topic, the trainee should be able to: 1.Explain terms. 2.Describe importance of aquariums. 3.Describe essential features of an aquarium tank. 4.Describe construction of an aquarium tank. 5.Describe maintenance of an aquarium tank.
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Laboratory Animals
OBJECTIVES The objective of this chapter is to give a better understanding of the technical requirements regarding handling, care and maintained of various laboratory animals In this chapter, we will; 1. Identify the various types of laboratory animals. 2.Discuss the general care and handling of laboratory animals. 3. Describe the various methods of restraining and humane killing laboratory animals 4.Discuss care of specific disease free (SPF)and Gnotobiotic animals
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Introduction to Ecology
OBJECTIVE By the end of this module, the trainee should be able to: 1.Explain terms. 2.Describe biotic and abiotic factors. 3.Explain adaptation of organisms to terrestrial and aquatic environment. 4.Describe the energy flow in ecosystem. 5.Explain estimation of population in ecosystem. 6.Describe influence of human activities on environment. 7.Describe basic biogeochemical cycles.
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Plant Anatomy and Physiology
OBJECTIVES By the end of this topic, the trainee should be able to: 1.Describe of plant parts and tissues. 2.Describe functions of various plant tissues. 3.Describe processes in plants .
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Biology Techniques For Science Laboratory Technicians
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Laboratory Animal Pests, Diseases and Disease control 

Pests

Pests can be a nuisance and pose potential risks in a laboratory setting. It is important to proactively implement pest control measures to prevent infestations and maintain a clean and safe environment. Here are some common pests that can be encountered in laboratory houses and methods for pest control:

  1. Rodents (Mice and Rats):

  • Rodents can cause damage to equipment, contaminate surfaces with droppings and urine, and potentially carry diseases.
  • Implement measures such as sealing entry points, keeping food sources properly stored, regular cleaning, and using traps or bait stations to control rodent populations.
  • Consult with professional pest control experts for assistance in managing rodent infestations, if necessary.

2. Insects (Flies, Cockroaches, Ants, etc.):

  • Insects can contaminate experiments, carry pathogens, and be a nuisance.
  • Maintain a clean and well-sanitized environment, promptly clean up spills or food debris, and regularly inspect and seal potential entry points.
  • Use insect screens on windows and doors, and employ appropriate insecticides or traps as needed.
  • Consult with pest control professionals for severe or persistent insect problems.

3. Stored Product Pests (Grain Beetles, Moths, Weevils, etc.):

  • These pests can infest stored food, grains, and other organic materials, causing contamination and damage.
  • Regularly inspect and properly store food and organic materials in tightly sealed containers.
  • Maintain cleanliness in storage areas, promptly dispose of infested items, and use pheromone traps or insecticides as necessary.

4. Birds:

  • Birds can create hygiene issues, damage property, and potentially spread diseases.
  • Seal off access points and openings to prevent birds from entering the laboratory.
  • Use deterrent devices like nets, spikes, or visual scare tactics to discourage birds from roosting or nesting in or around the facility.

6. Other Pests:

    • Depending on the location and environment, other pests such as spiders, termites, or ticks may be encountered.
    • Identify the specific pest and consult with pest control professionals for appropriate control measures.
    • Follow integrated pest management (IPM) principles, which focus on prevention, monitoring, and using the least harmful methods of control.

It is important to prioritize safety when implementing pest control measures in a laboratory house. Regular monitoring, documentation, and proactive maintenance will help minimize the risk of pest infestations and ensure a clean and safe laboratory environment.

Laboratory Animal Diseases

Laboratory animals can be susceptible to various diseases, some of which are specific to certain species, while others may be common across multiple species. Here are some examples of common diseases that can affect laboratory animals:

  1. Mice:
  • Murine respiratory viruses (Sendai virus, mouse hepatitis virus, etc.)
  • Mouse parvovirus (MPV)
  • Mouse norovirus (MNV)
  • Ectoparasites (mites, lice)
  • Tyzzer’s disease (Clostridium piliforme infection)
  • Mousepox (ectromelia virus)

2. Rats:

    • Rat respiratory viruses (Sendai virus, pneumonia virus of mice)
    • Rat parvovirus (RPV)
    • Rat coronavirus (RCV)
    • Ectoparasites (mites, lice)
    • Streptococcosis (Streptococcus pneumoniae infection)
    • Sialodacryoadenitis virus (SDAV) infection

    3. Guinea Pigs:

    • Respiratory infections (bacterial, viral)
    • Streptococcosis (Streptococcus zooepidemicus)
    • Dermatophytosis (fungal skin infections)
    • Enteric infections (salmonellosis, coccidiosis)

    4. Rabbits:

      • Rabbit viral hemorrhagic disease (RVHD)
      • Pasteurellosis (Pasteurella multocida infection)
      • Myxomatosis (myxoma virus)
      • Encephalitozoonosis (Encephalitozoon cuniculi)

      6. Hamsters:

        • Lymphocytic choriomeningitis virus (LCMV)
        • Wet tail (Proliferative ileitis caused by Lawsonia intracellularis)
        • Herpesviruses (Herpes simplex virus, Herpesvirus papio)
        • Ectoparasites (mites, lice)

        6. Ferrets:

          • Canine distemper virus (CDV)
          • Influenza viruses (including H1N1)
          • Aleutian disease (Aleutian mink disease parvovirus)
          • Ectoparasites (fleas, ticks)

          6. Non-Human Primates:

          • Herpes B virus (Herpesvirus simiae)
          • Simian immunodeficiency virus (SIV)
          • Tuberculosis (Mycobacterium tuberculosis)
          • Enteric infections (shigellosis, salmonellosis)
          • Parasitic infections (malaria, filariasis)

          Disease Control Methods 

          Disease control in laboratory animals is crucial to maintain their health, prevent the spread of infectious agents, and ensure the reliability and validity of research results. Here are some key aspects related to disease and disease control in laboratory animals:

          1. Disease Prevention and Biosecurity:

          2. Implement biosecurity measures to prevent the introduction and spread of diseases. This includes controlling access to animal housing areas, proper hygiene practices, and limiting contact between animals from different sources.
          3. Develop and enforce strict protocols for personnel, including proper personal protective equipment (PPE), hand hygiene, and training on disease prevention and control.

          2. Health Monitoring:

          • Establish a comprehensive health monitoring program to detect and prevent the spread of diseases within the animal facility.
          • Regularly monitor the animals’ health status through physical examinations, observations, and diagnostic testing. This may include periodic serological testing, PCR testing, or other relevant diagnostic methods.
          • Monitor sentinel animals, which are specially selected animals used to detect the presence of pathogens in a facility.

          2. Quarantine and Health Screening:

          • Quarantine new animals or animals from different sources before introducing them to the general population. This allows for observation and health screening to identify potential disease carriers.
          • Conduct thorough health screenings, including veterinary examinations and diagnostic testing, during the quarantine period.
          • Only introduce animals to the general population after they have been deemed healthy and disease-free.

          3. Proper Housing and Environment:

          • Provide appropriate housing conditions, including proper ventilation, temperature, humidity, and lighting, to minimize stress and promote the animals’ immune function.
          • Maintain clean and sanitary housing facilities, regularly cleaning and disinfecting cages, equipment, and the environment to prevent the accumulation of pathogens.

          4. Vaccination:

          • Vaccination may be recommended for certain laboratory animal species to protect against specific diseases. Consult with veterinary experts and follow established vaccination protocols for the species being used.

          5. Adequate Nutrition and Hydration:

          • Provide a balanced and nutritious diet to support the animals’ immune system and overall health. Proper nutrition plays a vital role in disease resistance.
          • Ensure access to clean, fresh water at all times to prevent dehydration and promote hydration.

          6. Diagnostic Support and Veterinary Care:

          • Establish a collaborative relationship with a qualified laboratory animal veterinarian to provide ongoing veterinary care, consultation, and diagnostic support.
          • Promptly report and seek veterinary attention for any signs of illness, injury, or abnormal behavior observed in the animals.
          • Develop and follow treatment and isolation protocols for animals diagnosed with infectious diseases.

          6. Record-Keeping and Documentation:

          • Maintain detailed and accurate records of health monitoring, diagnostic testing, treatment, and any disease outbreaks within the facility.
          • Proper record-keeping facilitates traceability, enables retrospective analysis, and assists in the management and control of diseases.


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