IAP Flashcards
What should the DLWG be of a dairy calf at birth-weaning?
0.8kg/day
What should the DLWG be of a dairy calf at weaning - 4m?
0.9kg/day
What should the DLWG be of a dairy calf at 4m-breeding?
0.7kg/day
What should the DLWG be of a dairy calf during its first pregancy?
0.9kg/day
In what order do the following grow: muscle, CNS, fat, bone?
CNS
Bone
Muscle
Fat
In the rumen, what is food broken down into?
VFAs
Methane
CO2
How is the apparent digestibility of a food calculated?
[ (ingested-in faeces)/ ingested] x100
How do we work out ME?
Digestible Energy - Methane and Urinary losses
How do we work out Net Energy?
ME - SDA (thermic energy release)
What are the 4 metabolic functions of Retinol (vitamin A)?
Formation of epithelia
Retinal function
Bone development
Immune function
What are the clinical signs of vitamin A deficiency in poultry?
pale comb/wattle
stunted growth
ruffled plumage
immunosuppression
Which group of bovines are most likely to acquire Vitamin A deficiency?
Intensively reared indoor beef on cereal diet
What type of diet causes Vitamin A deficiency in cats/dogs?
All meat - no liver
What is the main sign of vitamin D deficiency? What else may cause this?
Rickets/Osteomalacia: lack of dietary Ca/P
How does Vitamin E deficiency present in calves and lambs?
Calf: white muscle dz
Lamb: stiff lamb dz
Both are stilted shaky gait.
Deficiency of which vitamin causes progressive nervous system dysfunction?
B1 (CCN in ruminants, polyneuritis in chicks)
A vitamin B1 deficiency is treated with what?
Thiamine injection
Deficiency of which vitamin causes curled toe paralysis in chicks?
B2
For which animal, besides primates, is vitamin C ingestion ESSENTIAL?
Guinea Pigs
How does scurvy present?
Oedema
Emaciation
Diarrhoea
Collagen Failure
What are the 5 functions of Ca in the body?
Skeletal Structure Cell Excitability Muscle Contraction Blood Coagulation Enzyme catalyst
What should the range be for dietary Ca:P ratio in most animals?
1:1 to 2:1
What are the signs of hypocalcaemia in the dairy cow?
flaccid paralysis
recumbency
Rumen stasis
Pupil dilation
When do Milk Fever occur?
1 day pre-calving to 3d PP