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Seroprevalence Of Brucellosis In Dairy Cattle In Three Selected Districts Of Punjab, Pakistan

By: Ahmad Raza (2008-VA-271) | Dr. Iahtasham Khan.
Contributor(s): Prof. Dr. Muhammad Younus | Dr. Muhammad Faiz Qamar.
Material type: materialTypeLabelBookPublisher: 2016Description: 40p.Subject(s): Epidemiology and Public HealthDDC classification: 2602-T Dissertation note: Brucellosis is an infectious disease of domestic and wild animals with serious zoonotic implications in humans. The disease in animals causes tremendous economic losses. Since brucellosis is primarily an animal disease, emphasis should be given to control the disease in animal populations by adopting well organized control strategies to protect the public from the risks of acquiring this zoonosis. A total of 300 blood samples (N=300) were collected randomly from cattle species with one hundred samples (n=100) from each district of Chiniot, Sargodha and Sahiwal. Approximately 04 mL of blood was collected and transferred in a blood Vacutainer having gel containing clot activating factor, stored immediately at 4 °C in an ice box and was transported to laboratory. The serum samples were screened by RBPT which is screening test for brucellosis and it was observed that 38 animals were seropositive by RBPT. Then serum samples were further confirmed by the use of most specific and sensitive serological test known as ELISA. Out of 300 samples, 33 animals were confirmed as seropositive by Indirect ELISA. The overall prevalence in each of this district by RBPT was found to be 12%, 12% and 14 % in Chiniot, Sargodha and Sahiwal respectively. The overall prevalence in each of this district by iELISA was found to be 10%, 11% and 12 %. By RBPT, Seroprevalence in females was 13.57% based on gender, animals having abortion history had high seroprevalence for brucellosis (30%) than the non-aborted animals (10.83%) and the animals with history of retained placenta are 19.30%. Seroprevalence of iELISA based on gender showed 11.79%, cattle having history of abortion 30% and animals having history of retained placenta in cattle (24.57%). The risk factors i.e. sex, abortion, retained placenta and areas are highly significant.
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Brucellosis is an infectious disease of domestic and wild animals with serious
zoonotic implications in humans. The disease in animals causes tremendous economic losses.
Since brucellosis is primarily an animal disease, emphasis should be given to control the
disease in animal populations by adopting well organized control strategies to protect the
public from the risks of acquiring this zoonosis.
A total of 300 blood samples (N=300) were collected randomly from cattle species
with one hundred samples (n=100) from each district of Chiniot, Sargodha and Sahiwal.
Approximately 04 mL of blood was collected and transferred in a blood Vacutainer having
gel containing clot activating factor, stored immediately at 4 °C in an ice box and was
transported to laboratory. The serum samples were screened by RBPT which is screening test
for brucellosis and it was observed that 38 animals were seropositive by RBPT. Then serum
samples were further confirmed by the use of most specific and sensitive serological test
known as ELISA.
Out of 300 samples, 33 animals were confirmed as seropositive by Indirect ELISA.
The overall prevalence in each of this district by RBPT was found to be 12%, 12% and 14 %
in Chiniot, Sargodha and Sahiwal respectively. The overall prevalence in each of this district
by iELISA was found to be 10%, 11% and 12 %.
By RBPT, Seroprevalence in females was 13.57% based on gender, animals having
abortion history had high seroprevalence for brucellosis (30%) than the non-aborted animals
(10.83%) and the animals with history of retained placenta are 19.30%. Seroprevalence of
iELISA based on gender showed 11.79%, cattle having history of abortion 30% and animals having history of retained placenta in cattle (24.57%). The risk factors i.e. sex, abortion,
retained placenta and areas are highly significant.

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