Response to partial replacement of yellow corn with potato processing waste as non-traditional source of energy on the productive performance of Ossimi lambs

Twenty-one male growing lambs aged 6 months with an average weight 27.6 ± 0.24 kg were used to determine the effects of partial replacing yellow corn with potato processing waste (PPW) on performance of Ossimi lambs. Animals divided into three equal groups and assigned for control and two experiment...

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Bibliographic Details
Published in:Tropical animal health and production 2010-08, Vol.42 (6), p.1195-1202
Main Authors: Omer, Hamed A. A, Abdel-Magid, Soha S, Ahmed, Sawsan M, Mohamed, Mamdouh I, Awadalla, I. M
Format: Article
Language:English
Subjects:
Animal Feed - analysis
Animal Feed - economics
Animal Nutritional Physiological Phenomena
Animals
Biomedical and Life Sciences
Body Weight
Corn
digestibility
Digestive System Physiological Phenomena
Dry matter
Economical evaluation
Egypt
Energy Metabolism - physiology
Fatty acids
Feed conversion
Grain
Hydrogen-Ion Concentration
Life Sciences
Male
Nitrogen
Nitrogen - analysis
Nutrient retention
Organic matter
Original Research
Potato processing waste
Potatoes
Rumen - chemistry
rumen fermentation
sheep
Sheep - physiology
Solanum tuberosum
Vegetables
Veterinary Medicine/Veterinary Science
Waste Products
Zea mays
Zoology
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Summary:Twenty-one male growing lambs aged 6 months with an average weight 27.6 ± 0.24 kg were used to determine the effects of partial replacing yellow corn with potato processing waste (PPW) on performance of Ossimi lambs. Animals divided into three equal groups and assigned for control and two experimental diets containing PPW which was replaced from yellow corn at 0% PPW (R₁), 25% PPW (R₂), and 50% PPW (R₃). The results showed that tested rations were almost isocaloric and isonitrogenous. Dietary treatments had no significant effect on feed intake, while water intake insignificantly decreased. Digestibility coefficients of dry matter, organic matter, and crude protein significantly (P < 0.05) improved. However, dietary treatment had no significant effect on crude fiber and nitrogen-free extract digestibilities. Values of total digestible nutrient and digestible crude protein significantly (P < 0.05) increased. Nitrogen retention was positive for all groups. Dietary treatments had no significant effect on ruminal pH but insignificantly decreased ammonia nitrogen (NH₃-N) concentrations. However, total volatile fatty acid concentration was increased. Dietary treatments increased molar proportion of volatile fatty acids. Final weight, body weight gain, and average daily gain were significantly (P 
ISSN:0049-4747
1573-7438
DOI:10.1007/s11250-010-9548-8