MOD 3 - COURSE 3 - PT 5 - GUINEA PIG

Question 1

What is the most common species of guinea pigs used in research

Answer 1

• cavia procellus

Question 2

what are guinea pigs are models for?

Answer 2

• nutrition
• immune system function
• infectious disease
• tuberculosis
• they are very sensitive to chamges in gut flora

Question 3

what are examples of outbred strains? guinea pigs?

Answer 3

• Dunkin-Hartely - white fur with pink eyes - albino

Question 4

what are examples of inbred strains of guinea pigs?

Answer 4

strain 2 and strain 13

Question 5

how do you sex guinea pigs

Answer 5

• very little differnce between angogenital distance between teh sexes
• penis can be fel under skin and protruded by manual pressure
  (male=boar, female = sow)

Question 6

what are the conditions for breeding guinea pigs

Answer 6

• 550-600 gms or less
• bred at 12 weeks of age
• females - bred before 6 months of age to prevent - dystocia caused by pelvic fusion
• during pregnancy females doubles theuir weight

Question 7

what is normal behaviour of guinea pigs

Answer 7

• stubby rear legs 0 cannot climb adn jump
• very vocal - react to stress, enviornemnt and people
• barbering - occur when in grouped housing 0 dominant will chew hair of subordinates causing bare patches