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Alimentary > Cow with Abdomen Problem > Flashcards

Cow with Abdomen Problem Flashcards

1
Q

What is the normal rumen volume?

A

180 - 200 litres

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2
Q

What pH do the bacteria operate at in the rumen?

A

6.2-7

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3
Q

What is the main VFA produced at normal pH?

A

Acetate

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4
Q

Digesting more of what would lower the pH of the rumen?

A

starch and sugar

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5
Q

What are the VFAs that predominate in a low pH rumen?

A

proprionate and butyrate

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6
Q

What can a low pH in the rumen lead to?

A

Rumen Acidosis and then stasis

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7
Q

How much saliva does a cow produce in a day?

A

100-150 litres

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8
Q

To produce enough saliva to buffer the rumen how long does a cow need to ruminate for?

A

14 hours

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9
Q

What is the usual cause of Acute Ruminal Acidosis?

A

sudden ingestion of fermentable carbohydrates

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10
Q

What is the treatment for acute ruminal acidosis?

A

5% Sodium Bicarb slow IV
Isotonic IV fluids
Oral Mag hydroxide
Rumen lavage/ Rumenotomy

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11
Q

What does SARA stand for?

A

Sub acute Rumen Acidosis

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12
Q

What are the two types of ruminal bloat?

A

Frothy Bloat

Gaseous Bloat

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13
Q

When does Frothy bloat occur?

A

Cows on rich pastures eating legumes, clovers and alfalfa. It is the foaming properties of the leaf soluble proteins.

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14
Q

How do you treat frothy bloat?

A

Surfactant such as poloxalene, corn oil or simethicone

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15
Q

When can gaseous bloat occur?

A

excessive carb intake
oesophageal obstruction
milk fever
lateral recumbency

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16
Q

How would you treat gaseous bloat?

A

Stomach tube and rumen puncture with a trochar

17
Q

What is the clinical name for hardware disease?

A

Traumatic reticuloperitonitis

18
Q

What are some diagnostic tests for TRP?

A

Withers pinch - instead of bending away from pinch they will hunch
Pole test - touch a pole to xphyosternum and they will resent contact

19
Q

What is an LDA?

A

Left displaced abomasum

20
Q

What diagnostic test would you carry out when looking for an LDA?

A

Abdominal Pings

21
Q

How would you treat and LDA?

A

Roll cow
Right flank omentopexy
Left flank omentopexy
Right paramedian abomasopexy

22
Q

Is an RDA more or less common than an LDA?

A

less common

23
Q

If you felt a blind ending sac filled with air on rectal examination of a cow what would be on your differential list

A

ceacal dilation/torsion/volvulus

24
Q

Is gas in the sprial colon clinically significant?

A

No

Alimentary (12 decks)

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