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
How is milk fever treated?
IV Ca +/- SC Ca
How can we prevent milk fever?
Low Ca diet - promote Ca mobilisation in last 3-4w of pregnancy.
High Mg to absorb it.
Which acute condition is caused by hypocalcaemia in the bitch/sow/beef cattle?
Eclampsia - spastic paralysis and convulsions at PEAK lactation
Castrated lambs fed a diet high in Ca concentrates may develop what?
Urolithiasis
Chronic hypocalcaemia may cause what?
Osteomalacia
Which 4 groups are most commonly affected by hypomagnesaemia and what condition do they each present with?
- Calves fed only milk for 2-3m - Veal/beef suckler
- Beef/sheep on straw/fodder crops.
- Lactating cattle/sheep. (grass staggers)
Above: dull, hyperaesthesia, convulsion, death
ALSO Dairy Cattle can be subclinical
What are the risk factors for hypomag?
Rapid grass growth
Reduced grass intake
Grass diarrhoea
Nitrogen/K fertilisers
Which ovine disease is caused by copper deficicency?
Swayback - congenital (stillborn/weak) or delayed onset (poor growth, weak, death)
Which compound decreases copper absorption?
Molybdenum
What are the clinical signs of Cu toxicity?
Jaundice
Anorexia
Hepatic Coma
Death
Which animals are prone to dietary iron-deficiency anaemia? How would it present in this group?
Indoor Piglets from 10d.
Weak, inappetant, inc RR, pale skin, scour, death. Remain chronically unthrifty.
How do you treat Iron deficiency in pigs?
Fe Dextran injection
What is the average DM for grass?
20%
What is the average protein content of grass?
12%
What is the average ME content of grass?
10-12MJ
What is the average fibre content of grass?
30%
What is the average protein content of grass sileage?
14
What is the average protein content of maize sileage?
11
What is the average protein content of barley whole crop?
10-11
What is the average DM content of grass silage?
25%
What is the average DM content of maize sileage?
30-35%
What is the average DM content of barley whole crop?
30%+++
What is the average ME of grass, maize and barley sileage?
11MJ
What is the average ME of straw?
6.5
What is the average CP of straw?
3.5-4%
What are the energy requirements of a mature holstein for: Maintenance Milk Prod (/L)
65MJ/ME
5MJ/ME
What is the average appetite of a mature cow?
3% Bw as DM
What is the average appetite of a dry cow?
2.4%
What is the average appetite of a sheep?
1.5-2.5% BW
What is the estimated DMI of a horse?
1.5% Bw
How do white marks appear on an equine passport?
Red ink with hatching
How is a whorl marked on an equine passport?
—x—
How is a prophets thumb marked on an equine passport?
Triangle
How is a scar marked on an equine passport?
arrow
What is the minimum size for a loose box for a horse?
12 ft x 12ft
How often should a horse be shod?
every 6-8w
Why should straw be introduced gradually to the diet?
reduce risk of colonic impaction
What is the most ideal method for feeding horses hay?
On floor
Which cereals have a poor Ca:P ratio?
Oats, Barley
What food can be used to correct the poor Ca;P balance of cereals?
Sugar beet
Which condition may occur in obese animals who are acutely starved?
Hyperlipaemia
At what time point does starvation (in equids) lead to immunosuppression?
> 72h
What is re-feeding syndrome?
Re-introduction of CHO rich food causes spike of glucose & insulin
This can cause NM/CV/CNS dysfunction
What is a useful monitor for equine weight loss?
Heart and belly girth
What is the space requirement for a calf <150kg?
1.5m2 in group
What is the space requirement for a calf 150-200kg?
2m2 in group
How long is the incubation period for a chicken egg?
21d
What temperature should a chicken egg be incubated at?
37-38
How often should an incubating chickens egg be turned?
5-6x day
Name 4 bacon breeds of pig.
Landrace
Large White
Duroc
Tamworth
What should the fat measurement of a pig carcass be for the best price?
6.5cm mid-line over last rib (P2 depth)
How old are sows when first served?
230d (120kg)
How long is the gestation length of a pig?
3m, 3w, 3d
What is the average weaned litter size in the uk?
9 piglets
When is pregnancy diagnosed in a pig?
28 & 35d post service
What is the average weaning-service interval in a pig?
6d
How long are pigs in each of the following:
Dry Sow House?
Farrowing House?
Serving House?
Dry: 100d
Farrow: 21-28d
Service: 14d
From when until when are pigs kept in farrowing crates?
1w pre-farrowing to 3w post-farrowing
What temperature should the piglet creep area be in the farrowing pen?
30oC
Which supplement must intensively reared piglets be given within 3d of birth?
Iron
What is the weight range for “grower” pigs?
15kg (weaning) to 35kg
What are the 5 abortion pathogens of the sheep which present a zoonotic risk
Toxoplasma Chalydophila Campylobacter Salmonelaa Coxiella (Q Fever)
Which 3 diseases may cause neurological signs in a sheep in late pregnancy?
CCN
Hypocalcaemia
Pregnancy Toxaemia
Which 2 diseases may cause neurological signs in a lactating sheep?
CCN
Hypomagnesaemia
Which 2 diseases may cause neurological signs in a sheep fed on silage?
CCN
Listeriosis
Which 2 diseases may cause neurological signs in a sheep reared in an area with a heavy tick burden?
CCN
Louping ill
How do you treat a vaginal prolapse in a sheep?
NSAID/AB
Clean & lubricate - replace
Retain
how long does stage 1 parturition last in a sheep?
6-12h
how long does stage 2 parturition last in a sheep?
30m-1h
how long does stage 3 parturition last in a sheep?
3-4h
When should we aid lambing? (5)
Only Head/Tail presenting >60min after water bag >30m between lambs >15m Lamb not advanced Abnormal discharge
What is the most common cause of dystocia in the sheep?
Foetal Malposition
how would you treat a uterine prolapse?
Epidural Raise HQ Clean it & remove membranes Replace AB+ NSAID Oxytocin + Ca
What are the signs of metritis in a sheep?
Septicaemia/toxaemia
Abnormal Vaginal discharge
How do we treat metritis in the sheep?
AGGRESIVELY
ABs, NSAIDs, Fluids
You should warm up a lamb if it is below what temperature?
<37oC
What are the two most common causes of lamb mortality from 12-24h?
Hypoglycaemia
Watery Mouth
Which pathogen causes lamb dysentry, and when does it affect the lamb?
C. perfringens type B
2-7d
Which 4 pathogens are responsible for lamb enteritis in the first week of life?
Rotavirus
Colibacillosis
Salmonella
Cryptosporidium
What are the 3 causes of neonatal septicaemia in lambs?
Septic arthritis
Navel ill
Meningitis
Name the 5 most common non-infectious causes of lamb losses in the first week of life
Aspiration Pneumonia Accident Predator Starvation FMD