Basic Terms Flashcards
(28 cards)
a dilute substance produced by microorganisms that have the power to kill other organisms
antibiotic
a substance formed in the body as a result of infection or administration of suitable antigens
antibody
a disease organism that has been weakened to reduce its virulence
attenuated
microscopic organisms that are composed of a single cell
bacteria
a type of chicken raised for meat
broiler
the process of providing supplemental heat to broiler chicks from hatching up to the time they have grown sufficient feathers to control their own body temperature
brooding
a nasty behavior manifested by pecking on other’s toes, tails, and feathers
cannibalism
a chicken that shows no evidence of a disease, yet harbors the organism, and id capable of transmitting the disease to others
carrier
a scheme whereby a grower enters into a contract with an integrator to grow broilers up to a marketable age about 36-42 days
contract growing
an impairment of the normal function of anybody organ or part of the bird
disease
a substance that kills [pathogenic organisms but not necessarily spores and is usually applied to inanimate objects
disinfectant
when a bird has some degree of resistance to a particular disease
immune
the invasion of a pathogen into susceptible tissue resulting in diseases
infection
a disease produced by the invasion of living microscopic organisms
infection disease
keeping poultry in areas separate from other poultry
isolation
the energy of the food eaten less the energy of the excrement derived from it, both fecal and urinary
metabolizable energy
a sickness in a bird or flock caused by the disease
morbidity
death of birds in the flock
mortality
an organism that lives in another organism, from which it derives its nourishment
parasite
an organism capable of causing disease
pathogen
a particular strain of a microorganism
serotype
anything which affects the bird’s well-being and lower its resistance to disease
stress
a value placed on the potency of a biological agent, when applied to the agglutination test, it is the weakest dilution at which clumping of the antigen occurs
titer
a preparation of microorganism which when placed in the body of the bird produces or increases immunity to a certain disease
vaccine