Pharmacotherapy of Gastrointestinal Parasitism and Histomoniasis in Poultry
PST 06107
Basic Veterinary Pharmacology
Session 22: Pharmacotherapy of Gastrointestinal parasitism and Histomoniasis in Poultry
Learning Tasks
By
the end of this session students are expected to be able to:
Define Gastrointestinal parasitism and Histomoniasis in Poultry
List signs and symptoms of Gastrointestinal parasitism and Histomoniasis in Poultry
Describe pharmacological treatment of Gastrointestinal parasitism and Histomoniasis in Poultry
Describe Control and Prevention of Gastrointestinal parasitism and Histomoniasis in Poultry
Activity: Buzzing
What
is gastrointestinal parasitism in Poultry?
Definition of Gastrointestinal parasitism and Histomoniasis in Poultry
Poultry could be infected with nematode and
cestode
parasites
Among the round worms,
Heterakis
gallinarum
and
Syngamus
trachea
,
Ascarids
and
Capillarids
are economically important
Raillietina
spp
Davainea
proglottina
are important
cestodes
species of poultry.
The worm
Syngamus
trachea
inhabits the trachea and lungs of many domestic and various wild birds
Signs and Symptoms of Gastrointestinal parasitism in Poultry
Loss
of weight
Anorexia
Reduced growth
Reduced egg production
Reduced fertility
Diarrheal
Blood
loss
Pharmacological
Treatment of Gastrointestinal Parasitism in Poultry
Piperazine
, 50-100 mg/bird q 24 h, or 0.2-0.4% in the feed or at 0.1-0.2% in the drinking water for two consecutive feeds or drinking water for two days and deworm chicken at 4-6 weeks of age; repeat when necessary or after 2-4 weeks,
plus
Phenothiazine (for
cecal
ascaris
, or
Phenothiazine 0.5
gm
/head or combined with
piperazine
(o.5-0.51%& 0.11% in drinking water) as a 1-day treatment, removes both
heterakids
and
ascarids
, or
Coumaphos
, 0.004% in feed for 10-14 days for replacements, or 0.003% in feed for 14 days for layers, is used against
capillarids
Activity:
Brainstorming
What
are the preventive and control measures against gastrointestinal parasitism in Poultry?
Prevention
and Control of Gastrointestinal Parasitism in Poultry
Proper
and timely deworming
programmed
of the local and exotic through
appropriate deworming and treatment of infected
birds which should be carried out regularly
In addition, proper and adequate nutrition would also minimize the incidence rate of
helminthosis
of domestic birds
Key Points
Parasitic
diseases are problems wherever poultry are raised, and economic losses caused by parasites on poultry can be significant
There is a need for effective control measures which can interrupt the lifecycle of parasite
Species and as such, increase the meat and egg production
Evaluation
What
is gastrointestinal parasitism in Poultry?
What are the common signs and symptoms of gastrointestinal parasitism in Poultry?
What is the pharmacological treatment of gastrointestinal parasitism in Poultry?
What are the control measures against gastrointestinal parasitism in Poultry?
REFER Students to
Handout 22.1:
For Pharmacotherapy of Histomoniasis in Poultry,
References
Riviere
J. E.,
Papich
M. G. (2009).
Veterinary Pharmacology and Therapeutics
(9
th
Ed) Iowa, Wiley-
Blackwel
Publishers
Hsu
W. H. (2008).
Handbook of Veterinary Pharmacology
(1
st
Ed) Iowa, Wiley-
Blackwel
Publishers
Kuafmann
J, (1996).
Parasitic infections of domestic animals
, (2
nd
ed
).Berlin,
Birkhäuser
Verlag
Press
Hoare
E. W. (2013).
A manual veterinary therapeutics & pharmacology
(2
nd
ed
),New
York, Forgotten Books
Press
Maddison
. J. (
ed
) (2008).
Small Animal Clinical Pharmacology
, (2nd
ed
). Philadelphia, Saunders Elsevier Limited
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