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PVM IV > Bull Breeding Soundness Exams > Flashcards

Bull Breeding Soundness Exams Flashcards

1
Q

What is the goal of BSE

A

Estimate the potential fertility and breeding capacity

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2
Q

What are important things to check for in basic PE for BSE

A
  1. Lameness
  2. Visual
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3
Q

What do you evaluate for sperm under microscope

A
  1. Motility
  2. Morphology
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4
Q

Where do primary defects occur

A

Intratesticular phase of spermatogenesis

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5
Q

What defects are seen with primary defects

A

Defects of head, acrosome, midpiece, proximal droplets and coiled tails

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6
Q

Where do the secondary defects arise from

A

Storage and transport through epididymis

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7
Q

What defects are associated with secondary defects

A

Distal droplet, bent tail, detached head, distal midpiece reflex

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8
Q

Where do tertiary defects arise

A

After ejaculation

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9
Q

What can cause tertiary defects

A

osmotic or cold shock, urine contamination, aggressive handling can induce detached heads

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10
Q

Normal or abnormal

A

normal

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11
Q

Normal or abnormal

A

tapered and pyriform heads

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12
Q

what wrong

A

Double mid-piece, abaxial attachment

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13
Q

What wrong

A

proximal droplet

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14
Q

What wrong

A

stump tail defect

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15
Q

What wrong

A

distal droplet

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16
Q

what wrong

A

Distal midpiece reflex

17
Q

What wrong

A

knobbed acrosome

18
Q

What wrong

A

Bent tail

19
Q

What wrong

A

coiled tails

20
Q

What wrong

A

Detached head

21
Q

What are the minimum requirements for bull to pass BSE

A
  1. Scrotal circumference minimum of 34cm by 2yrs
  2. Progressive motility minimum 30%
  3. Morphology: >70% normal
  4. No observed defects in reproductive anatomy
22
Q

What are BSE requirements for sheep

A
  1. Progressive motility: 30%
  2. Morphology: 70% normal
  3. Scrotal circumference: 34cm by 18 months
  4. B. Ovis negative
23
Q

What are the BSE requirements for goats

A
  1. Progressive motility 30%
  2. Morphology: 80% normal
  3. Dairy breeds scrotal circumference >28cm

PVM IV (9 decks)

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