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- Title
Replacement value of rumen liquor fermented cassava peels for maize in growing rabbit diet.
- Authors
Oloruntola, O . D .; Agbede, J . O .; Onibi, G . E .; Igbasan, F . A .
- Abstract
The nutritive potential of rumen liquor fermented cassava peels (RLFCP) was assessed in rabbit nutrition in an 8 weeks trial. The freshly collected droppings from layers were sundried, ground and mixed at 100 g/kg with ground cassava peels, sprayed with rumen filtrate and fermented for 144 hours. Thereafter, one basal diet was formulated to meet the nutrient requirement of a growing rabbit. The maize content (43 g/100 g) of the basal diet was replaced at 0, 25, 50, 75 and 100 % with RLFCP and named as diets 1, 2, 3, 4 and 5 respectively. One hundred and fifty mixed sexes healthy 5-weeks old crossbred weaner rabbits were randomly distributed among the five dietary treatments at a rate of 30 rabbits per treatment. The response criteria were growth indices, cost benefit, carcass and organ weight, blood and serum indices. While the average daily feed intake increased (49.27-58.00 g/rabbit/day) with an increased RLFCP inclusion, the average daily weight gain only increased (12.38- 17.75 g/rabbit per day) when the increased RLFCP inclusion reached up to a 50 %. The feed conversion ratio of rabbits fed on the control and those fed on 25 % and 50 % RLFCP was similar (3.03-3.20) (p>0.05). Only the slaughtered weight (1116.50-1416.16 g), dressed weight (477.65-695.85 g), dressing % (42.77-50.14), relative weight (% slaughter weight) of the liver (2.18-2.57) and heart (0.20-0.23) were significantly (p<0.05) influenced by the dietary treatments. From all the haematological parameters considered; only the packed cell volume (PCV) (35.67-37.15 %), mean cell haemoglobin concentration (MCHC) (32.65-34.05 g/dl) and platelets (275.50-452.00 109/l) were significant (p<0.05) while serum glutamic oxalo acetic transaminase (SGOT) (67.57-113.10 μl), glutamic pyruvic transaminase (SGPT) (97.43-152.50 μl), amylase (463.50-699.00 μl) and glucose (53.60-100.50 mg/dl) of the serum metabolites measured were significant (p<0.05). The replacement of maize in growing rabbit diet with RLFCP appeared not to compromise the health status of the rabbits and its inclusion at a 50 % of maize reduced cost of feeding by 20 % and promoted better growth performance indicators than the control diet of the RLFCP-based diets.
- Subjects
RABBIT feeding &; feeds; RUMEN fermentation; CASSAVA growing
- Publication
Archivos de Zootecnia, 2016, Vol 65, Issue 249, p89
- ISSN
0004-0592
- Publication type
Article
- DOI
10.21071/az.v65i249.446