Hamster Anatomy and Care

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Questions and Answers

What is the gestation period in the hamster?

  • 24 days
  • 21 days
  • 16 days (correct)
  • 30 days

What is the gestation period in the hamster?

  • 30 days
  • 24 days
  • 21 days
  • 16 days (correct)

Hamsters have a?

  • Long ileum
  • Short duodenum and jejunum
  • Distinctly compartmentalized stomach (correct)
  • Small cecum

Where is brown adipose tissue located in hamsters?

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

Which statement is false regarding the effects of hibernation?

<p>Increased heart rate (A)</p> Signup and view all the answers

Which hamster is the smallest?

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

What is an immunologically privileged site?

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

All are zoonotic potentials except?

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

Which statement is false regarding hamster pups?

<p>Eyes open at 5 days of age (C)</p> Signup and view all the answers

What is the most common spontaneous disease of hamsters?

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

Females can be successfully mated on the evening of the ___ day after observing the postovulatory discharge.

<p>3rd (B)</p> Signup and view all the answers

What is a branch of genetics that is concerned with the structure and function of chromosomes?

<p>Cytogenetics</p> Signup and view all the answers

What is a common behavior during the first pregnancy involving young?

<p>Cannibalism</p> Signup and view all the answers

What color is the Chinese hamster with a dark dorsal stripe?

<p>Gray-brown</p> Signup and view all the answers

What term describes the tendency for cells to have an affinity for acid, basic, or neutral stains?

<p>Polychromasia</p> Signup and view all the answers

What condition may develop from antibiotic use that disrupts gut flora?

<p>Enterocolitis</p> Signup and view all the answers

What glands are used to mark territory in hamsters?

<p>Hip or flank</p> Signup and view all the answers

What is the genus species name of the Syrian hamster?

<p>Mesocricetus auratus</p> Signup and view all the answers

What position does a female hamster assume during breeding?

<p>Lordosis</p> Signup and view all the answers

What is proliferative ileitis commonly called?

<p>Wet tail</p> Signup and view all the answers

What is characterized by excessive, extracellular deposition of protein fibrils in organs?

<p>Amyloidosis</p> Signup and view all the answers

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Study Notes

Hamster Gestation and Anatomy

  • Gestation period for hamsters is 16 days.
  • Hamsters have a distinctly compartmentalized stomach, differentiating their digestive system.
  • Brown adipose tissue is found between the scapulae of hamsters.

Hibernation and Behavior

  • Hibernation leads to decreased body temperature, slowed respiration, and increased sensitivity to touch, but heart rate does not increase.
  • Cannibalism and litter abandonment commonly occur during a hamster's first pregnancy.

Hamster Species

  • The Chinese hamster is the smallest variety, recognized by its gray-brown coloration and dark dorsal stripe.
  • The Syrian hamster’s scientific name is Mesocricetus auratus.

Hamster Health and Diseases

  • Proliferative ileitis, known as "wet tail," is the most common spontaneous disease among hamsters.
  • Antibiotic-associated enterocolitis can develop due to antibiotics disrupting normal intestinal microbial flora.
  • Zoonotic concerns exist with conditions like lymphocytic choriomeningitis and Campylobacter, but Syphacia obvelata is not zoonotic.

Reproductive Behavior

  • Female hamsters can be mated successfully on the evening of the 3rd day after observing postovulatory discharge.
  • Lordosis is the breeding position assumed by female hamsters.

Genetic and Physiological Terms

  • Cytogenetics is the study of chromosome structure and function.
  • Polychromasia refers to the tendency of hamster red blood cells to have varying affinities for stains.
  • Amyloidosis involves excessive deposition of protein fibrils in organs, notably the liver, kidney, and spleen.
  • Hamster pups are hairless at birth, and their incisors are fully erupted from the time of birth. Eyes open at 5 days, contradicting earlier assumptions.

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