Growing Swine

Question 1

When do we wean pigs?

Answer 1

~3 weeks

Question 2

3 Phases of the Multiphase Approach

Answer 2

1. Post-weaning
2. Growing
3. Finishing

Question 3

After sexal maturity, what deposits more - muscle or fat?

Answer 3

fat

Question 4

Goal of Growing Phase

Answer 4

to grow UP, developing structure and frame and muscle by feeding high energy and high protein

Question 5

Goal of Finishing Phase

Answer 5

to grow OUT, deposit muscle and fat by feeding high enegry and lower protein up to 9 months of age

Question 6

Steroid Cascade

Answer 6

progesterone –> testosterone –> estrogen

Question 7

How many more calories are needed to deposit fat compared to muscle?

Answer 7

3 times as many calories are needed to deposit fat

Question 8

To what level do pigs eat to?

Answer 8

CALORIE LEVEL (once caloric needs are met they will stop eating!)

Question 9

2 Main Goals of Feeding Pigs

Answer 9

1. Make feed easy to digest
2. Make feed palatable

Question 10

First limiting AA?

Answer 10

lysine (so balance to lysine content and add other stuff as needed)

Question 11

Protein Accretion vs. Maturity

Answer 11

total protein accretion decreases as animal approaches maturity

Question 12

Lysine, Lysine:Calorie Ratio vs. Time

Answer 12

lysine needs decreases over time

Question 13

If you feed swine more lysine, will they deposit more muscle?

Answer 13

NO, they will just require additional energy to digest the excess lysine