Breeding LO3 Flashcards
Describe the system of random breeding
When there is no selection of breeding stock
What sort of breeding system is commonly used for guinea pigs
Monogamous pair or large breeding harems
What 3 characteristics would an ideal mother have
Good parentage
Good physical health
Good breeding record
Name 2 abnormalities that may be discovered with male genitalia
Non descending testicles
Signs of infection e.g swollen, discharge
What system would you advise to use with rabbits and why?
Arranged observed matings to make sure there is no aggression between the pair
List and explain four record headings that you might use for keeping information on breeding adults
Identity
DOB
PARENTAGE
name
List four items of information you may record for a litter of rats
Breed
Sex
Weight
Temperament
What does conformation refer to?
The externally visible details of the animals structure and appearance
Advantage and disadvantage of monogamous
A- Keep detailed records easily
D- more expensive on space, labour and materials
Advantage and disadvantage of Harems
A- advantage of postpartum oestrus, reduces number of males
D- over crowding, record keeping more difficult
Boxing out meaning and disadvantage
M- late term pregnant females removed before parturition to prevent overcrowding and make records easier to keep
D- postpartum mating cannot take place
Arranged matings meaning advantage and disadvantage
M- mated together the female removed and maintained separately
A- records easily kept
D- expensive on space and labour
Define the term monogamous pair
Housing a male and female together as permanent pair
Explain term inbred
A strain that’s been mates through 20 generations or more between brother and sister
