Utilization of unpeeled cassava (Manihot esculenta) root meal in diets of weaner rabbits

Oso, A. O.; Oso, O. A.; Bamgbose, A. M.; Eruvbetine, D.

doi:10.1016/j.livsci.2009.09.008

Cited by 10 publications

(10 citation statements)

References 12 publications

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“…The gross energy and HCN obtained for UCRM in this study were slightly higher than values reported by Oso et al. (). Oke () reported that the energy content of cassava varies with age of plant, time of harvest, root starch content and variety.…”

Section: Discussioncontrasting

confidence: 84%

“…Cassava roots are generally low in protein but valued as energy source in human and animal diets (Babu and Chatterjee, 1999). The crude protein and ash values obtained for UCRM in this study were higher (Oguntimein, 1992), while the NDF was lower (Idowu et al, 2007;Oso et al, 2010) than values reported in previous literatures. The variations in chemical composition obtained in this study with literatures could be attributed to differences in age at harvest of the tubers and soil fertility.…”

Section: Discussioncontrasting

confidence: 61%

“…The chemical composition of UCRM is well described in literatures (Du Thanh et al, 2009;Oso et al, 2010). Cassava roots are generally low in protein but valued as energy source in human and animal diets (Babu and Chatterjee, 1999).…”

Section: Discussionmentioning

confidence: 94%

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Utilization of unpeeled cassava (Manihot esculenta Crantz) root meal supplemented with or without charcoal by broiler chickens

Oso

Akapo

Sanwo

et al. 2013

Animal Physiology Nutrition

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A 42-day feeding trial was conducted using 480-day-old, male Marshall broilers to study the utilization of unpeeled cassava root meal (UCRM) supplemented with or without 6 g/kg charcoal. The experimental design was laid out in a 3 × 2 factorial arrangement of treatments having three inclusion levels of UCRM (0, 100 and 200 g/kg) with or without 6 g/kg charcoal supplementation. Each treatment consisted of 80 birds replicated eight times with 10 birds per replicate. Main effect of inclusion level of UCRM and supplementation of charcoal showed reduced (p < 0.05) final live weight, weight gain, feed intake and apparent crude protein digestibility of the birds with increasing inclusion levels of UCRM. Birds fed diets supplemented with charcoal showed higher (p < 0.05) final live weight, weight gain and feed intake than birds fed diets without charcoal. Supplementation of charcoal in diet containing 100 g/kg UCRM resulted in improved (p < 0.05) weight gain when compared with birds fed similar diet but not supplemented with charcoal. Broilers fed diet containing no UCRM but supplemented with charcoal had the highest overall (p < 0.05) final live weight and weight gain, while birds fed diet containing 200 g/kg UCRM supplemented with charcoal recorded the poorest (p < 0.05) final live weight and weight gain. Serum glutamate oxaloacetate transaminase (SGOT) and serum thiocyanate concentration increased (p < 0.05) with increasing dietary inclusion levels of UCRM. Dietary supplementation of charcoal resulted in increased (p < 0.05) concentration of serum glucose and cholesterol and reduced (p < 0.05) SGOT concentration. Birds fed diets containing UCRM had high (p < 0.05) serum thiocyanate concentration irrespective of dietary supplementation or not with 6 g/kg charcoal. In conclusion, supplementation of diet containing up to 100 g/kg UCRM with 6 g/kg charcoal showed improved weight gain without any deleterious effect on serum metabolites.

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Section: Discussioncontrasting

confidence: 84%

Section: Discussioncontrasting

confidence: 61%

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Utilization of unpeeled cassava (Manihot esculenta Crantz) root meal supplemented with or without charcoal by broiler chickens

Oso

Akapo

Sanwo

et al. 2013

Animal Physiology Nutrition

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“…Not only is this a problem for human nutrition, but for animal production as well, because cassava is used for animal feed in many countries [21, [152][153][154][155].…”

Section: Cassava and Sustainable Water Managementmentioning

confidence: 99%

Cassava: The Drought, War and Famine Crop in a Changing World

et al. 2010

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Cassava is the sixth most important crop, in terms of global annual production. Cassava is grown primarily for its starchy tuberous roots, which are an important staple for more than 800 million people, mostly in sub-Saharan Africa, but also in other parts of Africa, Asia, the Pacific and South America. Cassava is important for both small-scale farmers and larger-scale plantations due to its low requirement for nutrients, ability to tolerate dry conditions and easy low-cost propagation. It is sometimes referred to as the "drought, war and famine crop of the developing world" and reliance upon this crop is expected to increase in the coming years as the global climate changes. As with all crops, cassava presents some challenges which need to be addressed, especially if its production is to continue to expand. We highlight here a number of key issues around the continued and increased reliance upon cassava as a staple food crop. Cassava contains cyanogenic glycosides that release hydrogen cyanide and many cultivars are toxic if not processed before consumption. The degree of toxicity is altered by plant breeding, agricultural practice, environmental conditions and methods of food preparation. We conclude that use OPEN ACCESSSustainability 2010, 2 3573 of cassava has the potential to help many countries achieve food security in a sustainable manner, in the face of significant environmental change, but that its introduction should be accompanied by appropriate education about its toxicity.

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“…Its tuberous roots, rich in starch, are used in human and animal feeding. Several cassava by-products may be used in rabbit diets (Omole, 1990) including the cassava foliage hay (Scapinello et al, 1999;Faria et al, 2008), leaf meal (Machado et al, 2012), root meal Oso et al, 2010) and root peel meal Ekpo et al, 2009). …”

Section: Introductionmentioning

confidence: 99%

Digestible energy of unpeeled cassava root meal and its effect on growth performance and carcass traits in rabbits

et al. 2014

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Two experiments were conducted to evaluate the use of cassava root meal (891 g dry matter [DM]/kg, 639 g starch/kg, 74.1 g neutral detergent fibre [NDF]/kg, and 26.6 g crude protein [CP]/kg) in diets for growing rabbits. In the first experiment, a basal diet (419 g NDF/kg and 181 g CP/kg) and a test diet, in which cassava replaced 25% of the DM of the reference diet, were used. Twenty 50-d-old New Zealand White rabbits weighing 1474±10 g were randomly assigned to the 2 treatments, and digestibility of DM and gross energy (GE) were determined. The inclusion of cassava root meal in the diet increased DM digestibility (67.0±0.80 vs. 58.0±1.12%, P<0.01) and digestible energy (DE) content (11.86±0.16 vs. 10.45±0.22 MJ/kg, P<0.01). Digestible DM and DE contents of the unpeeled cassava root meal, obtained by the substitution method, were 943.3±15.8 g/kg and 15.28±0.32 MJ/kg. In the second experiment, 5 experimental diets were formulated to contain 150 g CP/kg, 184 g acid detergent fibre/kg and 10.9 MJ DE/kg, and increasing levels (0, 7, 14, 21 and 28%) of unpeeled cassava root meal, mainly in substitution of corn. A growth trial was carried out using 90 rabbits from the Botucatu genetic group from weaning (35 d, weighing 951±13 g) up to 71 d of age. The rabbits were housed in pairs, and randomly assigned to the 5 treatments (9 replicates/ treatment). No effect of the substitution of corn with cassava root meal was detected on growth performance (growth rate, feed intake and feed conversion ratio, on av. 44.6±0.50 g/d, 132±1.4 g/d and 2.97±0.028 g/g, respectively). The level of inclusion of cassava root meal had a quadratic effect (P=0.005) on the dressing out percentage, showing a minimal value (51.2%) for inclusion of 139 g/kg. No other effect was observed on slaughter and reference carcass weights (2383±19 and 1238±11 g, respectively). Unpeeled cassava root meal may be used to completely replace corn in the diet, supporting high performance in growing rabbits, but its effects on carcass traits should be investigated further.

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Utilization of unpeeled cassava (Manihot esculenta) root meal in diets of weaner rabbits

Cited by 10 publications

References 12 publications

Utilization of unpeeled cassava (Manihot esculenta Crantz) root meal supplemented with or without charcoal by broiler chickens

Utilization of unpeeled cassava (Manihot esculenta Crantz) root meal supplemented with or without charcoal by broiler chickens

Cassava: The Drought, War and Famine Crop in a Changing World

Digestible energy of unpeeled cassava root meal and its effect on growth performance and carcass traits in rabbits

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