Large Animal Quiz #1

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Questions and Answers

What is the most common site of feed impactions in the horse?

  • Sternal flexure
  • Pelvic flexure (correct)
  • Stomach
  • Diaphragmatic flexure

What abdominal organ is absent in the horse and rat?

  • Pancreas
  • Gall bladder (correct)
  • Right kidney
  • Cecum

A common equine disease of the digit in horses is:

  • Phalangeal disease
  • EIA
  • Tripping syndrome
  • Navicular disease (correct)

Ruminants have what type of placentation?

<p>Cotyledonary (C)</p> Signup and view all the answers

Adult cattle have how many upper incisors?

<p>0 (D)</p> Signup and view all the answers

Horses and ruminants gain much of their energy from a product produced by microbes during fermentation. What is this product?

<p>Volatile fatty acids (D)</p> Signup and view all the answers

What is the term for the 'knee' in the forelimb of a horse?

<p>Knee joint (B)</p> Signup and view all the answers

Which abdominal organ is absent in both horses and rats?

<p>Gall bladder (C)</p> Signup and view all the answers

How many phalanges does a cloven-hoofed animal have on each digit?

<p>2 (A)</p> Signup and view all the answers

Where is the sensitive laminae of an equine hoof located?

<p>White line (D)</p> Signup and view all the answers

What is the most common site of feed impactions in horses?

<p>Sternal flexure (A)</p> Signup and view all the answers

What two portions of the digestive tract does fermentation occur in a horse?

<p>Cecum and large colon (ventral and dorsal colons) (D)</p> Signup and view all the answers

What is the largest organ in the equine body?

<p>Skin (D)</p> Signup and view all the answers

What structure is located most distal on a horse's leg?

<p>Ergot (C)</p> Signup and view all the answers

What equestrian term represents the equivalent of the human 'knee joint' in a horse?

<p>Stifle joint (D)</p> Signup and view all the answers

What do ruminants rely on for energy production from fermentation?

<p>Volatile fatty acids (B)</p> Signup and view all the answers

What is the equivalent of the 'knee' in the forelimb of a horse in humans?

<p>Knee joint (A)</p> Signup and view all the answers

What abdominal organ is absent in both horses and rats?

<p>Gall bladder (B)</p> Signup and view all the answers

In cloven-hoofed animals, how many phalanges are typically found on each digit?

<p>2 (B)</p> Signup and view all the answers

Where do horses and ruminants primarily obtain energy from during fermentation?

<p>Volatile fatty acids (D)</p> Signup and view all the answers

Where is the largest organ located within the equine body?

<p>Skin (D)</p> Signup and view all the answers

What structure is found most distally on a horse's leg?

<p>Ergot (C)</p> Signup and view all the answers

Which condition in horses is commonly known as 'Bars Founder'?

<p>Laminitis (D)</p> Signup and view all the answers

In ruminants, where does most microbial fermentation take place?

<p>Rumen (C)</p> Signup and view all the answers

Which instrument is typically used to relieve bloat in ruminant animals?

<p>Trocar (B)</p> Signup and view all the answers

Which of the following is not a phase of rumination in ruminant animals?

<p>Reurination (C)</p> Signup and view all the answers

What digestive compartment in ruminants collects sharp objects causing hardware disease?

<p>Reticulum (D)</p> Signup and view all the answers

Which animals have a dental pad instead of upper incisors and canines?

<p>Cow, goat (C)</p> Signup and view all the answers

Which is the smallest ruminant forestomach and most involved in hardware disease?

<p>Reticulum (A)</p> Signup and view all the answers

Which stomach compartment in ruminants is considered as the true stomach?

<p>Abomasum (B)</p> Signup and view all the answers

What is the largest ruminant forestomach responsible for dehydration and grinding feed?

<p>Rumen (B)</p> Signup and view all the answers

How long is the gestation period in mares?

<p>326 - 354 days (A)</p> Signup and view all the answers

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Study Notes

Horse Anatomy and Digestive System

  • The most common site of feed impactions in horses is the esophagus.
  • The horse lacks a gallbladder.
  • The equine hoof has a sensitive laminae located within it.

Ruminant Anatomy and Digestive System

  • Ruminants have a type of placentation called epitheliochorial placentation.
  • Adult cattle have a dental pad instead of upper incisors, with no upper incisors or canines.
  • Ruminants gain energy from volatile fatty acids (VFAs), a product produced by microbes during fermentation.
  • Fermentation occurs in the rumen and large intestine in horses.
  • The largest organ in the equine body is the liver.

Horse Limbs and Movement

  • The equestrian term for the 'knee' in the forelimb of a horse is the carpus.
  • The equivalent of the 'knee' in the forelimb of a horse in humans is the carpus.
  • The most distal structure on a horse's leg is the hoof.

Ruminant Digestive Process

  • Ruminants rely on volatile fatty acids (VFAs) for energy production from fermentation.
  • Fermentation occurs in the rumen and large intestine in horses and ruminants.

Ruminant Health

  • The condition commonly known as 'Bars Founder' in horses is laminitis.
  • Most microbial fermentation takes place in the rumen in ruminants.
  • The rumen is the digestive compartment that collects sharp objects, causing hardware disease.
  • The reticulum is the smallest ruminant forestomach and is most involved in hardware disease.
  • The omasum is the ruminant forestomach responsible for dehydration and grinding feed.
  • The abomasum is the compartment in ruminants considered the true stomach.

Reproduction

  • The gestation period in mares is approximately 320-340 days.

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