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Research
(Published
online: 19-11-2014)
13.
Effect of feeding
sweet sorghum stover based complete ration on nutrient utilization
in Nellore lambs - Jagannatham Babu, Nagireddy Nalini
Kumari, Yerradoddi Ramana Reddy, Thirunahari Raghunandan and
Kalakuntla Sridhar
Veterinary World, 7(11): 970-975
doi:
10.14202/vetworld.2014.970-975
Jagannatham Babu:
Department of Animal Nutrition, College of Veterinary Science, S.
V. Veterinary University, Hyderabad, Andhra Pradesh, India;
jagankalyan@yahoo.co.in
Nagireddy Nalini Kumari:
Department of Animal Nutrition, College of Veterinary Science, S.
V. Veterinary University, Hyderabad, Andhra Pradesh, India;
nalini_reddy123@yahoo.co.in
Yerradoddi Ramana Reddy:
Visiting Senior Scientist, International Livestock Research
Institute, Patancheru, Hyderabad, Andhra Pradesh, India;
ramanayr19@yahoo.co.in
Thirunahari Raghunandan:
Instructional Livestock Farm Complex, College of Veterinary
Science, S. V. Veterinary University, Hyderabad, Andhra Pradesh,
India; drtrn@rediffmail.com
Kalakuntla Sridhar:
Department of Animal Nutrition, College of Veterinary Science, S.
V. Veterinary University, Hyderabad, Andhra Pradesh, India;
sri.vety@gmail.com
Received:
11-07-2014, Revised: 11-10-2014, Accepted: 19-10-2014, Published
online: 19-11-2014
Corresponding author:
Kalakuntla Sridhar, e-mail: sri.vety@gmail.com
Abstract
Aim:
The present study was carried out to evaluate the nutrient
digestibility of sweet sorghum stover, an unconventional roughage
source in ram lambs in comparison to conventional sorghum and
maize stovers.
Materials and Methods: 18 Nellore ram lambs aged about 3
months (average body weight 15.65±0.10 kg) were randomly allotted
to three complete rations formulated with roughage to concentrate
ratio of 60:40 using sorghum stover (D1), maize stover (D2) and
sweet sorghum stover (D3) as roughage source for a period of 120
days. At the end of the growth trial, a metabolism trial was
conducted to evaluate the nutrient utilization of the complete
diets.
Results: There was no significant difference in nutrient
digestibility of dry matter, organic matter, crude protein (CP),
crude fibre, ether extract and nitrogen free extract in ram lambs
fed D1, D2 and D3 diets, respectively. The digestibilities of acid
detergent fibre and neutral detergent fibre did not differ
significantly among the ram lambs fed various experimental diets.
All the lambs were on positive nitrogen balance. Nitrogen balance
was comparable among the various groups. The digestible CP and
total digestible nutrients, digestible energy and metabolisable
energy content of D1, D2 and D3 diets did not show any significant
difference.
Conclusion: It can be concluded that, sweet sorghum stover can
be incorporated in the complete diets of sheep at 60% level by
replacing conventional roughages such as sorghum stover and maize
stover, processed as mash form without affecting the voluntary
intake and digestibility of nutrients.
Keywords: complete ration, lambs, nutrient utilization, sweet
sorghum stover.
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