Swine 4 Flashcards
1
Q
3 reasons to house farrowing sows individually?
A
- Enables individual sow feeding
- Reduces preweaning mortality
- Allows for microenvironment for piglets
2
Q
Problem with housing farrowing sows individually?
A
Does not accommodate nesting behavior
3
Q
What is max time sows should stay in farrowing crates?
A
6 weeks
4
Q
Pre-farrowing procedures
A
- Transfer sows to farrowing raoom at D110-112
- Reduce feed intake 2-3days prefarrow
- Scrape manure behind sows daily
- Vaccinate
5
Q
What is the natural rise in fetal cortisol rqd for?
A
- Farrowing induction
2. Maturation of fetal tissues
6
Q
4 reasons to induce sows to farrow
A
- Staff presence to facilitate cross fostering and neonatal care
- Reduce stillbirth
- Induce straggler sows
- Increase weaining age
7
Q
5 routes of induction admin
A
- IM neck
- Vulvomucosal
- Lateral vulvar
- Perianal
- Abdominal oblique
8
Q
4 signs of impending partuition
A
- Secrete milk
- Nesting behavior
- Reduce feed intake
- Raised rectal temp
9
Q
How long does parturition last?
A
~4.5hrs
10
Q
Risk factors for stillborns
A
- Higher parity
- Fat
- Heat
- Higher birth order
11
Q
5 Factors affecting litter size
A
- Parity
- Genetics
- Breeding management
- Previous lactation length
- Disease
12
Q
4 Factors affecting birth weight
A
- Placentation and intrauterine space
- Genetics
- Litter size
- Gestational feeding
13
Q
What occurs to mammary glands after 48hrs
A
Dry up if not occupied
14
Q
4 key managment practices to encourage healthy piglets>
A
- Encourage colostrum consumption
- Provide warmth
- Reduce competition
- Proper hygiene
15
Q
How long does colostrum provide protection?
A
primary protection 4-6weeks
