Growth and Development

Question 1

Adipose refers to

Answer 1

fat

Question 2

Sequential Pattern of Tissue Growth

Answer 2

Bones
Internal Fat
Subcutaneous fat

Question 3

Growth and Development is highly dependent on which system?

Answer 3

Endocrine (secrete hormones into the circulatory system)

Question 4

Major Hormones Affecting Growth

Answer 4

Growth Hormone
Thyroid Hormone
Estrogen 
Testosterone 
Insulin
Glucagon

Question 5

Growth ends at

Answer 5

Maturity

Question 6

Growth curve includes:

Answer 6

Conception: Prenatal growth
Birth to Puberty: Rapid Growth (primarily muscle)
Puberty into Maturity: More rapid fat deposition
Maturity, changes due to fat
Three Lines: Birth, Rapid Growth, Maturity

Question 7

Growth

Answer 7

an increase in body size, muscle, bone and connected tissues

Question 8

Development

Answer 8

a change in composition, structure or abilities

Question 9

Number of muscle cells is determined by birth

Answer 9

True, growth occurs during hyperplasia

Question 10

Postnatal growth from most to least

Answer 10

Muscle>Fat>Bone

Question 11

Factors Affecting the Growth Curve

Answer 11

Frame size, sex, genetics

Question 12

The effect of Frame Size on growth

Answer 12

Larger framed animals are more efficient

Question 13

The effect of Sex on growth

Answer 13

Steers, Gilts and Wethers are most efficient (Swine are different than cattle and sheep)

Question 14

Insulin Control of Growth

Answer 14

regulates metabolism by promoting absorption of blood sugar into fat and muscle cells

Question 15

Glucagon

Answer 15

draws on body stores of fat to increase blood sugar level

Question 16

_________ percent of growth traits can be passed on to the offspring.

Answer 16

20-40%

Question 17

non-hormonal compounds which redirect nutrient use away from fat and towards muscle development

Answer 17

Beta-Agonists

Question 18

Types of Beta-Agonists

Answer 18

Ractopamine
Paylean
Optaflex

Question 19

Muscle grows faster than bone

Answer 19

True

Question 20

Benefits of Beta-Androgenic Agonists

Answer 20

increase protein deposition
decrease fat deposition
increased rate-of-gain
increased feed efficiency

Question 21

when animals are purchased based on the final grades or values of each individual animal

Answer 21

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