E. CULLING Flashcards

1
Q

-opposite of selection

A

CULLING

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2
Q

9 POINTERS IN CULLING:

A
  1. REPRODUCTIVE FAILURES
  2. POOR MATERNAL INSTINCTS
  3. POOR MILKERS
  4. FEET AND LEG PROBLEM
  5. POOR LITTER SIZE
  6. LONG DRY PERIOD
  7. DAMAGED UDDER SECTION
  8. DISEASE
  9. ABNORMALITIES
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3
Q

some gilts and sows do not come into heat despite proper feeding and management:

A

REPRODUCTIVE FAILURES
ex.
hydrosalpinx
pyosalpinx
unilateral blind uterine horn

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4
Q

oviduct distened w/ fluid

A

HYDROSALPINX

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5
Q

ovidcut distened w/ pus-like

A

PYOSALPINX

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6
Q

cystic ovaries , blind uterine body

A

UNILATERAL BLIND UTERINE HORN

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7
Q

some sows have cannibalistic tendency durimg & after farrowing esp. first farrowed :

A

POOR MATERNAL INSTINCTS

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8
Q

sow must be able to produce milk for her litter of 8 for 3-4 weeks

A

POOR MILKERS

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9
Q

It can lower the quality of the whole herd.

A

ABNORMALITIES

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10
Q

common example of abnormalities:

A

HERNIAS, ATRESIA, CRYPTORCHIDISM

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11
Q

LETHAL ABNORMALITIES:

A
  1. Atresia ani
  2. Bent legs
  3. Brain hernia
  4. Catlin mark
  5. Cleft palate
  6. Excessive fatness
  7. Fetal mortality
  8. Hydrocephalus
  9. Legless
  10. Muscle contracture
  11. Split ears
  12. Thickened forelimbs
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12
Q

NON-LETHAL ABNORMALITIES

A
  1. CRYPTORCHIDISM
  2. HAIR WHORLS
  3. HAIRLESSNESS
  4. HEMOPHILLA
  5. INVERTED NIPPLES
    6.KINKY TAIL
  6. POLYDACTYL
  7. RED EYES
  8. SROTAL HERNIA
  9. UMBILICAL HERNIA
  10. SYNDACTYL
  11. WTATLES
  12. WOOLY
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