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Synthesis and Evaluation of Nanoselenium in Broiler Chickens

KrishiKosh

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Title Synthesis and Evaluation of Nanoselenium in Broiler Chickens
 
Creator Visha, P.
 
Contributor Nanjappan, K.
 
Description Trace minerals like selenium are added to the diet of broiler chickens to enhance
the antioxidant, immune statues and overall growth performance. Regular selenium
supplemental sources have the limitations of low safety margin and long term
accumulative toxicity. Hence, an alternate selenium form – nanoselenium with higher
efficacy, bioavailability and lesser toxicity was synthesized and its influence on
production performance of broiler chickens assessed.
Nanoselenium was prepared by four different methods, out of which the
nanoselenium prepared by using ascorbic and starch had particle size of 15-40 nm and
was used for the biological trial in broiler chickens owing to simplicity of preparation and
easy adaptability for large scale production.
A total of 180 numbers of day old broiler chickens divided into six treatment
groups with three replicates each were used for the biological trial. The five treatment
groups were – sodium selenite supplementation 0.3 mg/kg (T2), organic selenium 0.3
mg/kg (T3) and three graded levels of nanoselenium at 0.15, 0.3 and 0.6 mg/kg (T4, T5
and T6, respectively) along with control group (T1) maintained on only the basal diet
with no additional supplementation of selenium.
Weekly body weight and feed consumption were recorded. Blood was collected
at fourth, fifth and sixth weeks to assess the antioxidant activity, immune status, levels
of thyroid hormones, plasma biochemical constituents, aspartate amino transferase and
alanine amino transferase enzymes. The selenium content of plasma, liver and breast
muscle was estimated. Glutathione peroxidase activities in blood, erythrocyte and liver,
meat characteristics of breast muscle, SelW gene expression in immune organs and
histomorphological study of vital organs were carried out.
The nanoselenium supplemented in the range of 0.15-0.6 mg/kg increased the
body weight gain and improved the feed conversion significantly (p
 
Date 2016-07-26T15:52:26Z
2016-07-26T15:52:26Z
2013
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/69964
 
Language en
 
Format application/pdf
 
Publisher Tamil Nadu Veterinary and Animal Sciences University