How much do you know about anovulatory follicles in mares?

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Questions and Answers

What is the cause of anoestrus and anovulation postpartum in NDO cows?

  • Positive energy balance
  • Low estrus expression
  • Negative energy balance (correct)
  • High estrus expression

What are anovulatory follicles?

  • Ovarian follicles that do not ovulate (correct)
  • Ovarian follicles that produce and release eggs
  • Ovarian cysts that cause health issues
  • Ovarian tumors that affect the reproductive cycle

True or false:Anovulatory follicles are a common health issue in female horses.

False (A)

What are anovulatory follicles?

<p>Ovarian follicles that do not ovulate (B)</p> Signup and view all the answers

What is the primary mode of transmission for canine leptospirosis?

<p>Through contact with contaminated urine, water, or soil (B)</p> Signup and view all the answers

What causes the occurrence of anovulatory follicles in mares?

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

True or false: Anovulatory follicles can be easily distinguished from normal large follicles on ultrasound scans.

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

What is the function of the hypophyseal-gonadal axis in the reproductive cycle of mares?

<p>To regulate the reproductive cycle (B)</p> Signup and view all the answers

What is the characteristic of cystic ovarian disease in NDO cows?

<p>Presence of persistent large follicles (B)</p> Signup and view all the answers

What are some of the clinical signs of canine leptospirosis?

<p>Fever, lethargy, anorexia, vomiting, diarrhea, dehydration, abdominal pain, jaundice, and dark-colored urine (B)</p> Signup and view all the answers

What is the recommended treatment for canine leptospirosis?

<p>Hospitalization, supportive care, and antibiotic therapy for a minimum of 2-3 weeks (A)</p> Signup and view all the answers

What is the effect of prolonged luteal phase postpartum on calving interval in NDO cows?

<p>Delays the calving interval by 20 days (B)</p> Signup and view all the answers

True or false: Anovulatory follicles release an egg as part of the reproductive cycle.

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

Do anovulatory follicles affect the reproductive cycle in mares?

<p>No, mares can continue to cycle normally (C)</p> Signup and view all the answers

Can mares continue to cycle normally despite the presence of anovulatory follicles?

<p>Yes, they can (A)</p> Signup and view all the answers

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Study Notes

  • Ovaries in female horses produce and release eggs as part of reproductive cycle
  • Anovulatory follicles are ovarian follicles that do not ovulate
  • Anovulatory follicles are not clinically significant and do not cause health issues
  • They occur at the end of breeding season, likely due to hormonal changes
  • Anovulatory follicles can be identified on ultrasound scans
  • They appear the same as normal large follicles
  • Mares can continue to cycle normally despite the presence of anovulatory follicles
  • Hypophyseal-gonadal axis regulates reproductive cycle
  • Anovulatory follicles do not release an egg
  • They do not cause any clinical signs or symptoms in the mare.

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