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Title:

Cattle Reproduction

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Cattle Reproduction Jason Ahola PhD Graduate Student Department of Animal Sciences Colorado State University Cow s Reproductive Cycle Reproductive Tract Follicles ... – PowerPoint PPT presentation

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Title: Cattle Reproduction


1
Cattle Reproduction
  • Jason Ahola
  • PhD Graduate Student
  • Department of Animal Sciences
  • Colorado State University

2
Cows Reproductive Cycle
3
Anatomy
4
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5
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6
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7
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8
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9
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10
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11
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12
Physiology
13
Ovary
14
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15
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16
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17
Corpus Luteum
18
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19
Insemination Timeline
20
Synchronization
21
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22
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23
Single Injection w/ Post-Breeding
Inject PGF2?
Turn in Bulls
Day 0
Day 5
Check for estrus and inseminate
24
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25
Select Synch
GnRH injection
PGF2? injection
Day 0
Day 7
Check for heat and breed Day 6 to12
26
MGA-GnRH-PG (MGA Select)
Turn in Bulls
Inject PGF2?
Inject GnRH
Feed MGA 0.5 mg/hd/d
Day 0
Day 14
Day 33
Day 36
Day 24
Sub-fertile heat
Check for estrus and inseminate.
27
Comparing the Options
Treatment
Estrus Response Pregnancy Rate
28
Heat Detection
29
Chin Ball Markers
30
KaMar/ Bovine Beacon
31
Tail Paint
32
Tail Paint
33
Heat Watch
34
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