Swine unit Study guide animal science Flashcards
act of giving birth
farrowing
Group name
Drove
intact male
Boar
Castrated male
Barrow
Mature female
Sow
young female
Gilt
young
Farrow/ piglet
Group of young
litter
Kingdom
Animalia
Phylum
chordata
Class
Mammalia
Order
Artiodactyla
Family
Suidae
Genis
sus
Species
S. domesticas
Scientific name
Sus scrofa domesticus
What country ranks number 1 in the production of hogs? Where does the United States rank in terms of production?
China is number 1st
United states is 3rd
In what ways has swine production improved over the last decade?
Genetics, feed production
What breeds of swine are maternal? What breeds are paternal?
White breeds are maternal
Darker colored are paternal
What is the difference between a maternal and paternal breed?
A maternal is a breed that is bred more for being mothers and raising litters, docile, friendly
A paternal breed is one that is raised mostly for meat and sometimes for production of litters
When do male and female pigs reach puberty?
5-8 months of age
What is the difference between gestation and parturition? How long is pig gestation?
Gestation → length of pregnancy ( 3 months, 3 weeks, 3 days) 114 days
Parturition → the act of giving birth
On average, how many piglets will a sow give birth to in a single litter?
How many litters will a sow have in one year?
8 to 12 piglets of average
2 to 3 litters per year
What are the indications a sow is about to farrow?
Restlessness
Swelling of vulva
Fullness of udder
Milk letdown
Fluids present from vulva