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Omole A.J.,Obafemi Awolowo University | Omole A.J.,Institute Of Agricultural Research and Training Moor Plantation | Fayenuwo J.A.,Obafemi Awolowo University | Fayenuwo J.A.,Institute Of Agricultural Research and Training Moor Plantation | And 2 more authors.
Journal of Central European Agriculture | Year: 2011

The effect of replacing maize fraction of the diet of growing snails partially or wholly with bread waste (BW) on performance characteristics and cost benefits was studied for 12 weeks. A total of 120 growing snails (Archachatina marginata) of mean weight 83.67 ± 3.5g of about 3 months of age were randomly allotted to 4 dietary treatments, BW 1, BW 2, BW 3 and BW 4 in which maize fraction of the diet was replaced at 0, 50, 75 and 100% with BW respectively, in a completely randomized design replicated 3 times. The parameters measured were feed intake, weight gain, shell length, width and thickness. Feed conversion ratio and cost/weight gain were calculated. The results showed that significant differences were not observed in the mean total feed intake, weight gain and shell increment (P>0.05). The results also revealed that dietary treatments had no significant influence on the dressing percentage (P>0.05) which varied between 41.25 and 41.28%. The total feed cost and cost per weight reduced as the level of BW in the diet increased from 0 to 100%. The highest cost/ weight gain (CW) of N223.2 was recorded in diet containing 0% BW while the lowest CW was recorded in diet containing 100%BW. Based on the present results maize fraction of snail's diet could be replaced with bread waste up to 100% at reduced cost without any adverse effect on performance of growing snails.


Omole A.J.,Obafemi Awolowo University | Omole A.J.,Institute Of Agricultural Research and Training Moor Plantation | Ogungbesan A.M.,Olabisi Onabanjo University | Fayenuwo J.A.,Obafemi Awolowo University | And 3 more authors.
Livestock Research for Rural Development | Year: 2011

The effect of feeding growing snails (Archachatina marginata) on Centrosema pubescens or Mucuna purensis as a substitute for pawpaw leaf on growth and carcass analysis were carried out. Ninety-six (96) growing snails were used for the trial. The snails were randomly allotted into 3 different groups (G1 - G3). Each group was replicated four times with 8 snails per replicate in a completely randomized design. The snails in Group 1 were fed pawpaw leaves (PL) while snails in Group 2 and Group 3 were fed Mucuna purensis (MP) and Centrosema pubescens (CP) solely respectively. Parameters measured or calculated include weight gain, feed intake, feed conversion ratio and dressing percentage. The results showed that the highest total feed intake of 665g was obtained in snails fed CP while significant differences were not observed in the snails fed PL and MP. The highest weight gain of 147g was recorded in snails fed CP which was significantly higher than those snail fed PL and MP (P<0.05). The mean shell length, shell thickness and width increments were not significantly influenced by the treatment effect (P>0.05) The dressing percentage was relatively similar in all the treatments, the values range between 39.5 and 40.5% (P>0.05). Centrosema pubescens and Mucuna purensis compared favourably with the control feed (pawpaw leaf) hence any of the two leguminous plants could be given to snails for feed or use as alternative feed resource for snail.

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