Influence of animal wastes on growth and reproduction of the African earthworm species Eudrilus eugeniae (Oligochaeta)

被引:22
作者
Coulibaly, Sifolo Seydou [1 ]
Bi, Irie Arsene Zoro [1 ]
机构
[1] Univ Abobo Adjame, Dept Nat Sci, Lab Fonct Genom & Breeding, Abidjan 02, Cote Ivoire
关键词
Eudrilus eugeniae; Animal wastes; Physico-chemical characteristics; Biomass; Cocoon; TEXTILE MILL SLUDGE; EISENIA-ANDREI; PERIONYX-EXCAVATUS; LIFE-CYCLE; FOETIDA; CATTLE; TEMPERATURE; EMISSIONS; RESIDUES; MANURE;
D O I
10.1016/j.ejsobi.2010.03.004
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
The growth and reproduction of Eudrilus eugeniae were evaluated in four animal species wastes under laboratory conditions. Two hatchlings were introduced in 100 g of each animal waste i.e. cow, sheep, pig, and chicken after 15 days of pre-composting. Biomass gain, mortality, sexual maturity, and cocoons production were monitored periodically for 21 weeks. No mortality was observed in any waste. The maximum weight gain per worm and the highest growth rate per worm per week were obtained in chicken waste. Net biomass gain per worm were 1.01 +/- 0.52 g, 1.318 +/- 0.07 g, 0.87 +/- 0.1 g, and 1.69 +/- 0.15 g respectively for cow, sheep, pig, and chicken wastes. The highest number of cocoons produced per worm per day was obtained in chicken waste followed in decreasing order by sheep, cow, and pig waste. The mean number of cocoons produced per worm per day in chicken waste was 40.87% greater than these produced per day in pig waste. Among the four animal species, chicken, sheep, and cow were the most favourable wastes for the growth and reproduction of E. eugeniae, and hence can be recommended as feed materials in large scale vermicomposting facilities. (C) 2010 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:225 / 229
页数:5
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