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Orawan Fakkham. Logistic regression approach to determine the association of litter contamination, acid administration and feed withdrawal period on Salmonella contamination in broilers . Master's Degree(Biostatistics). Mahidol University. : Mahidol University, 2004.
Logistic regression approach to determine the association of litter contamination, acid administration and feed withdrawal period on Salmonella contamination in broilers
การนำสถิติวิธีโลจิสติก รีเกรสชั่น เพื่อหาความสัมพันธ์ของการปนเปื้อนในสิ่งปูรองพื้น การผสมกรดในน้ำให้ไก่กินและระยะเวลาอดอาหารก่อนจับ ต่อการปนเปื้อนของเชื้อซัลโมเนลล่าในไก่เนื้อ
Name: Orawan Fakkham
LCSH:
Broilers (Poultry)
MeSH:
Logistic Models
MeSH:
Salmonella
Abstract:
The logistic regression method was used to determine three factors: litter
contamination and acid concentrations (0, 0.1 and 0.2%) in drinking water and feed
withdrawal periods (0, 5 and 10 hours) associated with Salmonella contamination on
exported broilers. The study was conducted on a broiler farm in Lopburi Province.
Internal chicken organs, crops and ceca, were collected from 538 broilers during the
catching period in order to isolate Salmonella with standard methods recommended by
the World Health Organization.
In the crops, the results showed all three factors associated with Salmonella
contamination. The feed withdrawal period was the highest associated factor, feed
withdrawal period of 5 and 10 hours had the adjusted odds ratio (OR) of 20.35 and
16.12. The litter contamination with Salmonella had an OR of 3.33. The acid
concentrations used were 0.1 and 0.2%, both of them having an OR result of 0.10.
In ceca, there were only two factors associated with Salmonella contamination.
The highest risk factor, the litter contamination with Salmonella, had OR of 5.66. The
acid concentrations of 0.1 and 0.2 % had OR of 0.17 and 0.39.
Recommendations to lower the risk of contamination with Salmonella suggest
using a 0.1% acid concentration in drinking water 48 hours prior to the catching process
and strict control of litter contamination with Salmonella.
Mahidol University
Address:
NAKHON PATHOM
Email:
liwww@mahidol.ac.th
Name: Piangchan Rojanavipart
Role:
Thesis Advisors
Created:
2004
Modified:
2553-03-23
Issued:
2010-02-26
วิทยานิพนธ์/Thesis
application/pdf
ISBN:
9740454801
CallNumber:
TH O63Lo 2004
eng
DegreeName: Master of Science
Level: Master's Degree
Descipline: Biostatistics
Grantor: Mahidol University
©copyrights Mahidol University
RightsAccess:
ใช้เวลา
0.443538 วินาที
Orawan Fakkham
| Title | Contributor | Type |
|---|---|---|
| Logistic regression approach to determine the association of litter contamination, acid administration and feed withdrawal period on Salmonella contamination in broilers
มหาวิทยาลัยมหิดล Orawan Fakkham | Piangchan Rojanavipart | วิทยานิพนธ์/Thesis |
Piangchan Rojanavipart