Guide
for the Care and Use of Laboratory Animals [The Guide]
Chapter 1 (pages 1-20 with note, preface and introduction) – INSTITUTIONAL POLICIES AND RESPONSIBILITIES
QUESTIONS:
ANSWERS:
Chapter 2 (pages 21-55) – ANIMAL ENVIRONMENT, HOUSING,
AND MANAGEMENT
QUESTIONS:
1. With reference to an animal’s environment, what are other terms used to describe primary and secondary enclosures?
2. T/F The use of wire bottom caging is preferred for housing rodents.
3. A cage which measures 5ft x 5ft, contains a perch 6 inches off the floor 2 sq.ft. and a food and water bowl which occupy 1 sq.ft. of space. Calculate the floor space provided by this cage for a 10 kg. dog.
4. T/F According to the Guide, rats and guinea pigs require more cage height than mice or hamsters.
5. What is the environmental temperature range (high/low) referenced by the Guide, which animals unadapted to temperature extremes should be maintained in order to avoid clinical effects?
6. What is the range of relative humidity acceptable for most animal environments?
7. When room temperature and ventilation are maintained to species specifications there may be insufficient ventilation within an animal’s microenvironment. What are at least 3 additional factors to consider?
8. What is the suggested guideline for the number of air exchanges per hour for secondary enclosures?
9. Because of the many variables that impact ventilation what is a preferred method to determine adequate ventilation?
10. T/F Recycled air may be used in specialized enclosures if adequate particulate and gaseous filtration is used to address contamination risks.
11. What does the term HEPA mean?
12. What are four provisions for the use of recycled air without gaseous filtration within an animal environment?
13. What species of animal has been most often used as a basis to establish room illumination levels? Why?
14. Thirty foot-candles is equivalent to _______ lux.
15. Many factors influence the acceptable level of light in an animal room. In general, what is the recommendation for “light at cage level” for species susceptible to phototoxic retinopathy?
16. According to the Guide, “exposure to sound louder than ______ decibels can have both auditory and non auditory effects”.
17. List 5 benefits of providing a social environment for animals.
18. How many months may most dry laboratory commercial diets be stored?
19. What is the shelf-life of most diets, which contain vitamin C?
20. T/F According to the Guide, calorie restriction is an accepted practice for long-term housing of some species.
21. What is the reason to avoid the use of cedar shavings as bedding for rodents?
22. How often should animal pens or runs be flushed to remove animal waste?
23. In general, how often should animal enclosures and accessories be sanitized?
24. What is the minimum temperature of wash and rinse water necessary for effective disinfection?
25. Cleaning and disenfection of most animal-care equipment is generally sufficient. Under what circumstances should a facility consider the use of sterilization after the cleaning/disinfection procedure?
26. List 5 items that should be included on animal identification cards.
27. T/F Regarding genetics, outbred animals display much homogeneity, while inbred and transgenic animals display heterogeneity.
28. T/F Each institution should develop its own nomenclature for recording strain, substrain, or genetic background of their animals.
ANSWERS:
1. macroenvironment and microenvironment
2. False - solid bottom cage with bedding
3. 24 sq.ft. (25 – 1 = 24, the perch does not provide additional floor space since the dog cannot occupy the space under it)
4. True - The recommended cage height for rats and guinea pigs is 7 inches; for mice the recommendation is 5 inches and hamsters are 6 inches.
5. 85F (29.4C) and 40F (4.4C)
6. 30% to 70%
7. Animal respiration, frequency of bedding change, heat load from light sources, position of cage within room, etc.
8. 10 to 15 fresh-air changes per hour
9. Calculate the ventilation required to accommodate the “heat load” generated by the animals. Use the total-heat-gain formula published by the American Society of Heating, Refrigeration, and Air-Conditioning Engineers.
10. True
11. High-efficiency particulate air-filtered
12. Ans:
· Recycled air is mixed with 50% fresh air
· Husbandry practices and the preparation of recycled air are sufficient to minimize toxic gases and odors
· Recycled air is returned only to the area from which it was generated, except if it comes from areas not used for animal-housing
· Recycled air is appropriately conditioned and mixed with sufficient fresh air to address the thermal and humidity requirements of animals in that space
13. The albino rat. It is the species most susceptible to phototoxic retinopathy.
14. 325 lux
15. Between 130 and 325 lux
16. 85 dB
17. Ans:
· Benefit a normal physiologic development
· Reduce stress
· May reduce behavioral abnormalities
· May increase or stimulate exercise
· Cognitive stimulation
18. 6 months
19. 3 months
20. True - moderate restriction of calories and protein intakes for clinical or husbandry reasons has been shown to increase longevity and decrease obesity in some species
21. Because they omit aromatic hydrocarbons that induce hepatic microsomal enzymes and cytotoxicity and have been reported to increase the incidence of cancer
22. at least once a day
23. Once every 2 weeks
24. 143 F (the recommended range is 143 F to 180 F)
25. Ans:
· When known pathogenic microorganisms are present
· In cases of animals with compromised immune systems
· The use of animals with highly defined microbiologic flora
26. Ans:
· Source of the animal
· Strain or stock
· Names and contact information for responsible investigator
· Pertinent dates (arrival, surgery, pregnancy info, etc.)
· Protocol number
27.
False - outbred animals are desired for their heterogeneity. Inbred
animals tend to be homozygotic. Transgenic animals tend to be very unique as a
reflection of the transferred gene.
28. False - The use of published standardized nomenclature is very
important.
Chapter 3 (pages 56-70) –
VETERINARY MEDICAL CARE
QUESTIONS:
1. Fill in the blank. Adequate veterinary care program consists of effective programs for the following seven points:
2. Select the correct answer. The attending veterinarian has what type of qualification(s):
a. Surgery site should be clipped
b. Surgeon should perform a surgical hand scrub
c. Surgeon should wear gloves
d. Instruments and surrounding area should be clean
SHF and SIV in New World Primates, Old World African Primates, and Old
World Asian Primates
Herpesvirus tamarinus in Saimiri sciureus, Aotus trivirgatus and Saguinus
oedipus, Saguinus nigricollis.
Chapter 4 – PHYSICAL PLANT
1. What types of building materials are most desirable for an animal facility?
2. What should be considered when constructing outdoor facilities?
3. What determines the specific animal facility and support functions?
4. What type of space is needed for an animal facility?
5. True or False. Space for storing wastes before incineration can be found in most multipurpose animal facilities.
6. Corridors ___ to __ ft wide can accommodate the needs of most facilities.
7. In corridors leading to noisy areas, what can be used to decrease the noise level?
8. True or False. Doors should open into the corridors, but never into the animal rooms.
9. Doors __ x __ inches allow racks and other equipment to pass through easily.
10. What type of doors is usually desirable within an animal facility?
11. When are exterior windows acceptable in an animal room?
12. When are exterior windows inappropriate in an animal room?
13. What is the best type of floor for an animal facility?
14. Satisfactory flooring materials include _____, _____, and ______.
15. True or False. Drainpipes in floors should be at least 10.2 cm in diameter.
16. Why should drains that are not in use be capped and sealed?
17. Floor drains are not necessary in all animal rooms, especially those housing ___.
18. Why are guard rails or bumpers used in animal facilities?
19. What criteria must suspended ceilings meet to deem them appropriate in an animal facility?
20. Exposed plumbing, ductwork, and light fixtures are (desirable, undesirable) in an animal facility.
21. What is an effective way of regulating temperature and humidity?
22. What is HVAC?
23. The HVAC system should be capable of what temperature adjustments?
24. At what range should the relative humidity be maintained?
25. Is temperature best regulated through zonal control of multiple rooms, or by thermostatic control of each room?
26. Define ASHRAE
27. What measures can be taken to minimize the magnitude and duration of fluctuations in temperature and relative humidity out side the recommended ranges?
28. Define HEPA.
29. Areas for quarantine, and for housing of NHPs should be kept under relative (negative, positive) pressure.
30. True or false. Maintaining air pressure differentials is the only way to control cross contamination.
31. What type of lights is most commonly used in animal facilities?
32. True or False. Ground fault interrupters (GFIs) are only needed in the animal rooms.
33. What temperature should be maintained for the storage of dead animals and animal tissues? Why?
34. What is the most effective type of walls to contain noise?
35. Should acoustic materials applied directly to the ceiling or suspended ceiling be used in an animal room? Why?
36. What measures can be used to control the transmission of sound along corridors?
37. List the advantages of s centralized surgical facility.
38. List the functional components of aseptic surgery for most surgical programs.
39. Define AORN.
40. How can related, non-surgical activities be separated from surgical procedures?
41. In the operating room, what factors can be directly related to the level of bacterial contamination and the incidence of postoperative infection?
42. In a surgical facility, interior surfaces should be constructed of ______ materials and should be impervious to ________.
1. Durable, moisture proof, fire-resistant, seamless materials.
2. The surfaces should withstand the elements and be easy to maintain.
3. Size, nature and intensity of the animal program.
4. Space for animal housing, care, and sanitation, receipt, quarantine, and separation of animals, separation of species, isolation of animals, and storage.
5. True
6. Corridors 6 to 8 ft wide can accommodate the needs of most facilities.
7. Double doors or other noise traps.
8. False. Doors should open into the animal rooms.
9. Doors _42_x _84 inches allow racks and other equipment to pass through easily.
10. Doors made of material that resist corrosion, that fit tightly in their frames with recessed or shielded handles, threshold sweeps, kick plates that are self closing.
11. Exterior windows can serve as environmental enrichment for dogs,
NHPs, some agricultural animals, and other large species.
12. When temperature can not be regulated in the room because of heat loss or gain through the window or when the photoperiod is an important consideration.
13. Floors should be moisture resistant, nonabsorbent, impact-resistant, smooth or textured relative to the species being housed.
14. Satisfactory flooring materials include epoxy aggregates, hard-surface sealed concrete, and special hardened rubber-base aggregates.
15. True (4 inches).
16. To prevent the backflow of sewer gases and other contaminants.
17. Floor drains are not necessary in all animal rooms, especially those housing rodents.
18. To prevent damage to walls and corners.
19. They must be fabricated of impervious materials and free of imperfect junctions.
20. Exposed plumbing, ductwork, and light fixtures are undesirable in an animal facility (unless the surfaces can be readily cleaned).
21. Air conditioning.
22. Heating, Ventilation, Air Conditioning
23. Adjustments in dry bulb temperature of ±1°C (±2°F).
24. 30-70%
25. Thermostatic control
26. American Society of Heating, Refrigeration, and Air Conditioning Engineers
27. Partial redundancy of the HVAC system, partial recycling of the air, altered ventilation rates, or the use of auxiliary equipment.
28. High Efficiency Particulate Air
29. Areas for quarantine, and for housing of NHPs should be kept under relative negative pressure.
30. False.
31. Recessed energy efficient fluorescent lights.
32. False. GFIs should be used in areas with high water usage, such as cage wash areas and aquarium maintenance areas.
33. 7 ºC (44.6 ºF) to reduce putrefaction of wastes and animal carcasses.
34. Masonry walls.
35. No. They present a problem for sanitation and vermin control.
36. The use of well-constructed corridor doors, sound-attenuating doors, or double-door entry.
37. Cost savings in equipment, conservation of space and personnel resources, reduced transit of animals, and enhanced oversight of facilities and procedures.
38. Surgical support, animal preparation, surgeon’s scrub, operating room and postoperative recovery.
39. Association of Operating Room Nurses
40. By physical barriers, by distance between areas, or by the timing of appropriate cleaning and disinfection between activities.
41. The number of personnel and their level of activity.
42. In a surgical facility, interior surfaces should be constructed of monolithic materials and should be impervious to moisture.
Appendix B: Selected
Organizations Related to Laboratory Animal Science
1. Define AAALAC
2. What is AAALAC?
3. When was AAALAC formed?
4. At what interval does AAALAC conduct sites visits?
5. How often are accredited institutions required to submit reports on the status of their anima facility?
6. Define AALAS.
7. Define ACLAM
8. True or False. ACLAM is a specialty board recognized by the AMA.
9. When was ACLAM founded?
10. Define ASLAP
11. When was ASLAP founded?
12. When was AWIC established?
13. Define AWI.
14. What is AWI?
15. What is the main advisory and review agency for the use of animals in Canadian science?
16. Define CAAT
17. What is the FBR?
18. What is HSUS?
19. Define ILAR
1. Association for the Assessment and Accreditation of Laboratory Animal Care.
2. A nonprofit organization that promote high quality animal care, use and well-being through a voluntary accreditation program.
3. 1965
4. 3 years or less
5. Annually
6. American Association for Laboratory Animal Science
7. American College of Laboratory Animal Medicine
8. False. ACLAM is a specialty board recognized by the AVMA.
9. 1957
10. American Society of Laboratory Animal Practitioners
11. 1966
12. In 1985 by an amendment to the AWA.
13. Animal Welfare Institute
14. A nonprofit educational organization dedicated to reducing the pain and fear inflicted on animals by humans.
15. Canadian Council on Animal Care
16. Center for Alternatives to Animal Testing
17. Foundation for Biomedical Research, a nonprofit organization dedicated to promoting public understanding and support of the ethical use of animals in medical research.
18. Humane Society of the United States, an animal protection organization.
19. Institute of Laboratory Animal Research
Appendix C: Some Federal Laws Relevant to Animal Care and Use
Appendix C: Some Federal Laws Relevant to Animal Care
and Use
Answers
1. The secretary of the USDA (United States Department of Agriculture).
2. USDA Animal and Plant Inspection Service (APHIS).
3. Code of Federal Regulations, Title 9, Chapter 1, Subchapter A.
4. Secretary of the USDI (U.S. Department of the Interior).
5. USDI Fish and Wildlife Service
6. Code of Federal Regulations, Title 50, Chapter 1, Subchapter B, Part 17.
Appendix D: Public Health Service Policy and Government
Principles Regarding the care and Use of Animals
1. Who developed the U.S. Government Principles for the Utilization and Care of Vertebrate Animals Used in Testing, Research, and Training?
2. What are the responsibilities of IRAC?
3. Who is responsible for ensuring that the principles are adhered?
Appendix D: Public Health Service Policy and Government
Principles Regarding the care and Use of Animals
1. IRAC (Interagency Research Animal Committee).
2. Information exchange, program coordination and contributions to policy development.
3. The Institutional Official.