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Effect of varying levels of dietary ochratoxin A on the performance of broiler chickens

Indian Agricultural Research Journals

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Title Effect of varying levels of dietary ochratoxin A on the performance of broiler chickens
 
Creator SINGH, RAM
MANDAL, A B
SHARMA, MAMTA
BISWAS, AVISHEK
 
Subject Broiler, Chicken, Feed, Ochratoxin, Tolerance level
 
Description In the present study, the effect of varying levels of ochratoxin A (OTA) in the diet of broiler chickens was investigated. Day-old broiler chicks (200) were divided into 5 treatment groups (T1- control; T2 – T1 + 100 ppb OTA; T3 – T1 + 200 ppb OTA; T4 – T1 + 300 ppb OTA; and T5 – T1 + 400 ppb OTA. Each diet was fed to 4 replicated groups of 10 birds each from day- old to 42 days of age. During overall growth period (0–6 weeks), body weight gain (BWG) in T3, T4 and T5 was significantly lower than that of control group, whereas, the BWG of group T2 was statistically similar to that of control. OTA contamination at 200 ppb or higher resulted in significant reduction in BWG of broiler chicken. The overall feed intake (FI) in T5 was significantly lower than that of control group (T1). The FI in groups T2, T3 and T4 was statistically similar to that of control. OTA contamination at 200 ppb or higher resulted in poor FCR and thus deteriorating feed utilization efficiency in broilers. OTA at 200 ppb or at higher level resulted in increased mortality. Addition of 100 ppb OTA in diet did not produce any change in relative weights of liver, kidney and bursa of Fabricius, however, OTA contamination at 200 ppb or higher resulted in increased relative weights of liver and kidney; and reduced relative weight of bursa of Fabricius. Inclusion of 100 ppb OTA in diet did not produce any change in biochemical parameters of broiler chicken also. It was concluded that ochratoxin A up to 100 ppb in diet had no adverse effect on growth performance, organ weight and certain biochemical parameters in broiler chicken.
 
Publisher Directorate of Knowledge Management in Agriculture
 
Contributor —
 
Date 2015-03-13
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
—
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/47331
 
Source The Indian Journal of Animal Sciences; Vol 85, No 3 (2015)
0367-8318
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/47331/20415
 
Rights Copyright (c) 2015 The Indian Journal of Animal Sciences