In Ovo Techonology Flashcards

1
Q

5 Principles of Success in Ovo (LPSIS)

A

Egg Shell Location
Shell Penetration
Sanitation
Site of Injection
Vaccine Specifications

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2
Q

Critical Aspects of Vaccine Machine

A

Needle Sanitation
Vaccine Type
Concentration
Aseptic Handling

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3
Q

Critical Aspects of Egg during In Ovo Vaccination

A

Egg Location
Shell Penetration

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4
Q

Critical Aspects of Embryo during In Ovo Vaccination

A

Site of Injection
Embryo Age

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5
Q

Locator cup function

A

Positions egg

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6
Q

Punch function

A

Egg shell penetration

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7
Q

Needle is located inside of _

A

Punch

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8
Q

Method Improving Sanitation During Shell Penetration

A

Needle inside of punch permits targeted, efficient sanitation of contact points of injection mechanism

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9
Q

Method to reduce egg-to-egg bacterial carry over

A

Sanitation between injections

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10
Q

Contaminants of Vaccine Thaw Bath (HHTDC)

A

Hands, Hygiene, Tap, Distilled, Chlorine

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11
Q

Vaccine Prep

A

Use only for vaccine prep
Sanitize weekly
Clean air supply

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12
Q

Injection Process Improvements

A

Locating
Punch Speed
Reduced punch & needle stress
Egg support

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13
Q

Egg Handling Improvements

A

Rubber Suction Cups
Haylo
Hatching basket sanitation

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14
Q

Flexible wire in Haylo is made of

A

Nitinol - Nickle Titanium

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15
Q

Hatching Basket Sanitation Process

A

Clean, Disinfect, Dry

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16
Q

Egg Compartments

A

Air Cell, Allantois, Amnion, Embryo, Yolk Sac

17
Q

Position to hatch

A

Head under right wing

18
Q

Stalk of yolk sac enters

19
Q

Optimal Timing for In Ovo Vaccination

A

17d 12h - 19d 4h

20
Q

Acceptable Injection Sites

A

Amnion, Embryo, IM

21
Q

Unacceptable Injection Sites (Too Shallow)

A

Air Cell, Allantois

22
Q

As length of incubation increases so does the use of _ as the injection site

23
Q

As length of incubation decreases, the use of _ as site of injection increases

24
Q

in Ovo Vaccine Specifications

A

Vaccine Type
Vaccine Concentration
Vaccine Compatibility
Embryonic Age at injection
Site of injection, sanitation
Onset and duration of immunity
Disease challenge
Maternal Antibodies

25
Immunological tolerance can be induced at _-_ d
8-14
26
Experimental In Ovo Vaccination Window
16-19d
27
Commercial In Ovo Vaccination Window
17d (12h) -19d (4h)
28
In Ovo Stimulation uses _, _, _ on day _ Aims to stimulate _ of _ and _ _ Site of Injection: ____ Volume: ___
Prebiotics, Synbiotics, Betadine, 12 Colonization, gut, gut development Air Sac 0.2ml
29
In Ovo Feeding: Administration of _ into _ to enhance egg _ and _ performance on _-_d, has _ effect
Nutrients, Amnion, Nutrition, Growth, 17-18d, epigenetic
30
Gallipro Hatch uses _ _ to improve _
Enterococcus faecium, FCR
31
2 Types of probiotics used In Ovo Feeding
Enterococcus Faecium Bacillus Subtitles
32
In Ovo Feeding Challenges
Volume Embryonic Age Type & Concentration Area of Injection Bacteria Load built up over time and embryo safety
33
5 In Ovo Feeding Promises
Reduce mortality Increase FCR Increase Immune Response Reduced Incidence of Skeletal Disorders Increased muscle and breast-meat yield
34
In Ovo so far some solutions _ affect hatchability, _ improvements limited to early age, performance benefits but don't last until _ age
Negatively, BW, Market