Chapter 4

Question 1

very important biological unit for poultry reproduction

major finished product in poultry production
aside from meat

Answer 1

Chicken Egg

Question 2

a well-balanced diet to the developing embryo and it provides an excellent nutrient source for human

Answer 2

Egg

Question 3

• The oval or spherical body made of thin but rigid calcareous shell laid by birds, which contains a ball of yellowish food material, the yolk and the
  white

Answer 3

Egg

Question 4

• The grouping of egg into lots having similar characteristics as to color, weight and quality

Answer 4

Egg grading

Question 5

• The jelly-like substance surrounding the yolk in the egg of a bird

Answer 5

Egg white or albumen

Question 6

an egg whose shell is unbroken

Answer 6

Good egg

Question 7

• A person engaged in the production of eggs

Answer 7

Producer

Question 8

• Any person who markets eggs to ultimate consumers

Answer 8

Retailer

Question 9

• An individual or organization who sells chicken eggs in commercial quantities

Answer 9

Wholesaler

Question 10

• The yellowish spheroid mass of food material surrounded by the white in the egg

Answer 10

Yolk

Question 11

The produce shall comply with microbial criteria
established in accordance with the Principles for the Establishment and Application of Microbiological Criteria for Foods

Answer 11

CAC/GL 21-1997

Question 12

It is recommended that the produce covered by the
provision of this standard be prepared and handled in accordance with appropriate sections of the Recommended International Code of Practice - General Principles of Food Hygiene

Answer 12

CAC/RCP 1-1969, Rev 2-1985

Question 13

Egg shell color of Araucana Hens

Answer 13

Blue

Question 14

• Hens with white ear lobes lay ______ ___.
• Hens with red ear lobes lay ______ ___.

Answer 14

• Hens with white ear lobes lay white eggs.
• Hens with red ear lobes lay brown eggs.

Question 15

*Most eggshell pigments are located in the _____
and outer portion of the ________ ____.

Answer 15

Cuticle and Calcified Eggshell

Question 16

*Premature arrest of cuticle formation or release of
stress-related hormones called _____, will result
in the production of pale brown-shelled eggs.

Answer 16

Epinephrine

Question 17

Normal egg shape is determined in the ______, however, the shape may be modified by abnormal or unusual conditions in the _______ or ______.

Answer 17

Normal egg shape is determined in the magnum, however, the shape may be modified by abnormal or unusual conditions in the isthmus or uterus.

Question 18

*Composition of egg shell
*Calcium carbonate (__ %)
*Magnesium carbonate (_ %)
*Calcium phosphate (_ %)
*Organic matter (_ %)

Answer 18

*Composition of egg shell
*Calcium carbonate (94 %)
*Magnesium carbonate (1 %)
*Calcium phosphate (1 %)
*Organic matter (4 %)

Question 19

from Latin albus meaning white”

Answer 19

ALBUMEN

Question 20

• ______ for unfertilized egg
• ______ for fertilized egg

Answer 20

• blastodisk for unfertilized egg
• blastoderm for fertilized egg

Question 21

Outer covering of the egg, composed largely of calcium carbonate, may be white or brown in color depending to the breeds of hen

Answer 21

Shell

Question 22

Yellow portion of egg where colors where varies with feed of the hen, but does not indicate nutritive content

Answer 22

Yolk

Question 23

Holds egg yolk contents

Answer 23

Vitelline

Question 24

Twisted, cordlike stands of egg white which anchor yolk in center of egg

Answer 24

Chalazae

Question 25

Pocket of air formed end of egg were increased in size as egg ages

Answer 25

air cell

Question 26

Provide protective barrier against bacterial penetration

Answer 26

Shell membrane

Question 27

Nearest to the shell spread around thick white of high-quality egg

Answer 27

Thin Albumen

Question 28

Major source of egg riboflavin and protein

Answer 28

Thick Albumen

Question 29

Contains thin film called the cuticle covers the outside of a fresh egg; it dries soon and tends to seal the pores of the egg thereby reducing the loss of water and gasses and invasion by bacteria.

Answer 29

Shell

Question 30

It provides the embryo with calcium through diffusion for bone formation and other building purposes.

Answer 30

Shell

Question 31

* contain lysozyme, a substance that helps prevent bacterial infection. * Surrounds the white portion of an egg.

Answer 31

Shell membrane

Question 32

inner-most layer of white is twisted in a ropelike structure at each end of the yolk and forms the _______.

Answer 32

Chalazae

Question 33

Is composed of a series of concentric, alternating dark and light layers and its contained.

Answer 33

Yolk

Question 34

In a thin layer yolk sac called a _____ membrane.

Answer 34

Vitelline

Question 35

The white yolk runs out into the yellow yolk on which end finds the blastodisc

Answer 35

Female Germ cell

Question 36

If the female cell has been fertilized by the male germ cell at temperature higher than __°C or __°F the embryonic development. begins.

Answer 36

27°C or 80°F

Question 37

*Is a tiny area on the upper surface of the yolk. *It is lighter in color than the rest of the yolk ad thus easily identified.

Answer 37

Germ cell

Question 38

The average gross composition of hens eggs is about __% shell, __% yolk and __% albumen.

Answer 38

10% SHELL 30% YOLK 60% ALBUMEN

Question 39

(a toxic dye) is present in raw cottonseed meal and may cause olive-colored egg yolks, especially in stored eggs.

Answer 39

Gossypol

Question 40

results from intrafollicular hemorrhage several days prior to ovulation

Answer 40

Blood spots

Question 41

stimulates the hypothalamus to release Gonadotropin releasing hormone (GnRH) and Gonadotropin inhibitory hormone (GnIH).

Answer 41

Light

Question 42

Stimulate and inhibit the production and release of luteinizing hormone (LH) and follicle stimulating hormone (FSH) from the pituitary gland.

Answer 42

Gonadotropin Releasing Hormone (GnRH)

Question 43

produces Estrogen (E2) and progesterone (P4) in response to circulatory FSH and LH and E2 and progesterone feed-back on the hypothalamus to regulate GnRH release.

Answer 43

Ovary

Question 44

from the anterior pituitary gland, stimulates growth of ovarian follicles with their contained ova.

Answer 44

Follicle Stimulating Hormone

Question 45

From anterior pituitary gland that is released and causes ovulation

Answer 45

Luteinizing Hormone

Question 46

is also under hormonal control and is stimulated at the most appropriate time to receive the released ovum.

Answer 46

Oviduct

Question 47

Formation of the eggshell is partially controlled by hormones secreted by parathyroid glands.

Answer 47

Parathyroid Hormone

Question 48

*These hormones maintain normal calcium and phosphorus levels in the blood.

Answer 48

Parathyroid Hormone

Question 49

In addition to influencing body growth and feather color and formation,

Answer 49

Thyroid Hormone

Question 50

is partially responsible for seasonal changes in egg laying, body weight, and egg weight.

Answer 50

Thyroid Gland

Question 51

This hormone is secreted in the hypothalamus but is stored in and released from the posterior pituitary gland.

Answer 51

Oxytocin

Question 52

*It causes oviposition, or the contraction of the shell gland (uterus) and hence expulsion of the fully formed egg.

Answer 52

Oxytocin

Question 53

This hormone is responsible for the manifestation of the maternal instinct or broodiness in chicken.

Answer 53

Prolactin

Question 54

A hormones that affect social status of birds.

Answer 54

Sex Hormone

Question 55

*Secretions of the adrenal glands are involved in the metabolism of carbohydrates, sodium, and potassium and in the regulation of blood pressure.

Answer 55

Adrenal Hormones