The most important nutritional troubles of rabbits

Question 1

The 4 main ones

Answer 1

Consequences of fiber def

AV value of feed mixture

Mycotoxicosis

Feed toxicosis

Question 2

4 main consequences of fiber def

Answer 2

1. Fermentation dyspepsia
2. Fur chewing- tichobezoar- angora
3. Saccharomycosis
4. Incr risk of reovirus and tyzzers

Question 3

Saccharomycosis: what is it caused by and what are the clinical symptoms

Answer 3

Cyniclomyces gluttulatus

Gas prod in the gut

Invaginations

Question 4

Clinical signs of Reo and tyzzers, diffs of tyzzers

Answer 4

Reo: DX and hydrocephalus

Tyzzers: bact hepatitis (diff is pregnancy toxicosis)

Question 5

Fiber overfeeding

Answer 5

Caecum obstruction– colon rupture

Question 6

No fiber def in:

Answer 6

Brachygnathia superior (teeth jutting)

Hairless mutation

Question 7

AV (alkaline value) of the feed mixture

Answer 7

This is the bicarbonate amount to the hydrochloric acid in mmol/kg

Sets the pH of 1kg of feed to 3

Question 8

Modification of AV

Answer 8

Done to prevent Dx!!

• 20ml/L of acetic acid is ok
• 2.5ml/L of lactic acid is not ok
• 20ml/L of lactulose is ok- but has different MOA
• 1:20 beatdin

Question 9

For treating constipation or portal systemic encephalopathy

Answer 9

670 mg/ml of Lactulose

Question 10

Mycotoxicosis- the 3 main

Answer 10

NOTE: the rabbit is v susceptible because they recycle mycotoxins by caecotrophy

1. Aflatoxins
2. Fumonisin B1
3. T2

Question 11

Aflatoxins

Answer 11

LIVER!!

B1 and B2

G1 and G2

M1 and M2

Question 12

Fumonisin

Answer 12

B1 affects the lungs and brain

Question 13

T2 toxin

Answer 13

FI

Immune

Brain

Question 14

Feed toxicosis

Answer 14

Iatrogenic dysbact: ampicillin, clindamycin, lincomycin

Coccidiostats- Narasin

Ld50 is 11.7 mg/kg

diffsL Vit E/Se myopathy- incoordination and paralysis

Question 15

Fermentation dyspepsia

Answer 15

If low fibre and high starch- the fermentation of undigested starch produces alcohol- and this alcohol feeds clostridium piriforme- it produces toxins that travel to:

• The brain: cause suffocation
• Caecal wall: cause diarrhoea