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A 21-week old market tom turkey should be expected to weigh
a. less than 20 pounds.
b. 20 to 30 pounds.
c. 30 to 40 pounds.
d. more than 40 pounds. ✔Correct answer-d. more than 40 pounds.
The expected body temperature range of healthy poultry is
a. 98.6 to 99.0o C
b. 99.0 to 102o F
c. 98.6o F
d. 105.0o F to 107.0o F ✔Correct answer-d. 105.0o F to 107.0o F
Anser anser is the species name for
a. chickens (domestic).
b. pheasants (ring-necked).
c. geese (domestic).
d. ducks (mallards). ✔Correct answer-c. geese (domestic).
Which muscle draws the head of the chicken left or right and moves the
scapula?
a. flexor perforan
b. obliquus
c. savorius
d. trapezius ✔Correct answer-d. trapezius
Sternum, breastbone, and keel are
a. names for the bone in the chicken that provides attachment for the
pectoralis major and pectoralis minor muscles.
b. names for the bone that supports the breast muscles.
c. different names for the bone which, if deformed (crooked), may reduce
market value of the carcass.
d. Answers a., b., and c. are correct. ✔Correct answer-d. Answers a., b., and c. are correct.
What is a common name for the hypotarsal?
a. neck
b. phalanges
c. knee cap
d. hock joint ✔Correct answer-d. hock joint
Which part of the ovum (yolk) is penetrated by an avian sperm during
fertilization?
a. blastoderm
b. blastodisc
c. chalazae
, d. shell membrane ✔Correct answer-b. blastodisc
Which part of an incubating egg contains enzymes that digest yolk material
so it can be absorbed by the developing embryo?
a. area opaca
b. yolk sac
c. allantois
d. chalazae ✔Correct answer-b. yolk sac
Which is the proper order of development of a chick embryo from earliest to
latest?
a. gastrulation, primitive streak, primitive groove
b. gastrulation, primitive groove, primitive streak
c. primitive groove, primitive streak, gastrulation
d. All embryonic development occurs simultaneously. ✔Correct answer-a. gastrulation, primitive
streak, primitive groove
Direct, indirect (both vector-borne and vehicle-borne), and airborne refer to
a. transmission mechanisms of infectious agents.
b. vaccine applications.
c. transmission of disease immunity.
d. types of poultry ventilation systems. ✔Correct answer-a. transmission mechanisms of infectious
agents.
This disease is caused by a herpes virus and may be observed in pullets from
2 to 16 weeks of age. To prevent it, which vaccination is usually given to
pullet chicks grown for egg production?
a. Marek's
b. Newcastle
c. Infectious bronchitis
d. Fowl Pox ✔Correct answer-a. Marek's
This disease is caused by protozoa of the genus Eimeria. Nine species affect
chickens and three species are pathogenic to turkeys. Symptoms include
enteritis, decreased production performance, and mortality.
a. Avian influenza
b. Marek's
c. Infectious bursal disease
d. Coccidiosis ✔Correct answer-d. Coccidiosis
Leg disorders in broilers can be caused by nutritional, genetic, or infectious
factors. Conditions that may be nutrition-related include
a. rickets.
b. tibial dyschondraplasia.
c. perosis.
d. Answers a., b., and c. are leg disorders in broilers that may be nutrition-related. ✔Correct
answer-d. Answers a., b., and c. are leg disorders in broilers that may be nutrition-related.
When poultry manure is converted into a biogas, it contains almost 30%
a. methane (CH4).
b. carbon dioxide (CO2).