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R esearch
(Published online:
30-09-2015)
19. Effect
of selenium supplementation on performance, cost economics, and
biochemical profile of Nellore ram lambs - K. Sushma,
Y. Ramana Reddy, N. Nalini Kumari, P. Baswa Reddy, T. Raghunandan
and K. Sridhar
Veterinary World, 8(9): 1150-1155
doi:
10.14202/vetworld.2015.1150-1155
K.
Sushma:
Department of Instructional Livestock Farm Complex, College of
Veterinary Science, S. V. Veterinary University,
Hyderabad
- 500 030, Andhra Pradesh, India; drsushmajayachandra@gmail.com
Y.
Ramana Reddy:
International Livestock Research Institute, Patancheru, Hyderabad
- 502 324, Andhra Pradesh, India; ramanayr19@yahoo.co.in
N.
Nalini Kumari:
Department of Animal Nutrition, College of Veterinary Science, S.
V. Veterinary University, Hyderabad - 500 030, Telengana, India;
nalini_reddy123@yahoo.co.in
P.
Baswa Reddy:
National Research Council on Meat, Chengicherla, Hyderabad - 500
092, Andhra Pradesh, India: baswareddy@gmail.com
T.
Raghunandan:
Department of Instructional Livestock Farm Complex, College of
Veterinary Science, S. V. Veterinary University, Hyderabad - 500
030, Andhra Pradesh, India; drtrn@rediffmail.com
K.
Sridhar: Department of Animal Nutrition, College of Veterinary
Science, S. V. Veterinary University, Hyderabad - 500 030,
Telengana, India;
sri.vety@gmail.com
Received: 03-05-2015, Revised: 24-08-2015, Accepted: 31-08-2015,
Published Online: 30-09-2015
Corresponding author:
K. Sridhar, e-mail: sri.vety@gmail.com
Citation:
Sushma K, Raman Reddy
Y, Nalini Kumari N, Baswa Reddy P, Raghunandan T, Sridhar K (2015)
Effect of selenium supplementation on performance, cost economics,
and biochemical profile of Nellore ram lambs, Veterinary World
8(9):1150-1155.
Abstract
Aim:
Present experiment was conducted to investigate the effect of
selenium (Se) supplementation on performance, carcass
characteristics, meat composition, shelflife of meat and
biochemical profile in Nellore ram lambs.
Materials and Methods: 24 male Nellore ram lambs (15.75±0.47
kg) were randomly divided into four dietary groups with six lambs
in each and reared under uniform management conditions for 120
days. Basal diet was not supplemented with Se and consisted of
green fodder (Se 0.09 mg/kg dry matter [DM]), dry roughage (Se
0.11 mg/kg DM) and concentrate mixture (Se 0.019 mg/kg DM) and fed
individually. Dietary treatments were prepared by adding graded
levels Se (0, 0.45, 0.9, and 1.8 ppm) to concentrate mixture (1%
body weight [BW]) from sodium selenite. Feed offered and refusal
measured daily; and BWs were measured at fortnight interval to
find out average daily gain (g), feed conversion ratio (FCR), cost
economics and plane of nutrition. Serum biochemical profile
(concentration of glucose, total protein, albumin, globulin,
cholesterol, and hemoglobin) was assessed on 0, 60 th,
and 120th day. At the end of experiment, the
carcass characteristics (dressing percentage, cut-up parts, meat
to bone ratio) and meat chemical composition were evaluated. Meat
keeping (thiobarbituric acid reactive substances) quality from
different groups was evaluated on day 0, 3, and 6 post-slaughter.
Results: Dietary Se supplementation did not show any effect on
weight gain, FCR, cost economics, plane of nutrition, and serum
biochemical profile in Nellore ram lambs. However, Se supplemented
lambs had numerically higher weight gain than the unsupplemented
lambs. Similarly, carcass characteristics and keeping quality were
comparable among the four treatments. However, numerical increase
in post-slaughter keeping quality with increasing Se
supplementation was observed.
Conclusion: It can be concluded that supplementation of Se in
the form of sodium selenite (inorganic source) at different levels
did not influence animal performance in growing Nellore ram lambs
had no effect on lamb performance, cost economics, carcass
characteristics, and serum biochemical profile.
Keywords: biochemical profile, carcass
characteristics, Nellore ram lambs, performance, selenium
supplementation.
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