Effets du calcium alimentaire sur les paramËtres de croissance de lescargot Limicolaria flammea (Mller, 1774), en Èlevage hors -sol (Effects of dietary calcium on the growth parameters of the snail Limicolariaflammea (Mller, 1774), under indoor rearing )

Le résumé fourni par la source

Some young snails of Limicolaria flammea species of two weeks old, with an average live weight of 0,07 ± 0,002 g and an average length of shell of 7,5 ± 0,03 mm were subjected to five (5) diets including two containing green fodder (R1:constituted by a mixture of leaves of Lactuca sativa (Asteraceae) and Palisota hirsuta (Commelinaceae) and R2:composed of leaves of Carica papaya (Caricaceae) and Phaulopsis falcisepala (Acanthaceae) and three modes concentrated in the form of flour (R3, R4 and R5), of variable calcium contents (6,82%, 12,02% and 16,01% respectively) in order to determine the calcium rate suitable for induce better growth performances. The study shows that the growth of the snail L flammea is notably influenced by the calcium contents of the food it consumes.The growth performances obtained by the concentrated diets are much higher than those induced by green fodder.The concentrated food is better consumed, promotes the profits of size and weight and reduces mortality, contrary to a food exclusively based exclusively on vegetables that give not very promising results.The optimal calcium rate inducing a harmonious growth is 16,01%. Moreover, the animals which were fed with this diet had shells that harden in the first weeks of treatment, unlike those nourished with the vegetable diets that maintain shells very fragile during the first two months.

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