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Koto-te-Nyiwa Ngbolua
Department of Biology, Faculty of Science, University of Kinshasa, Kinshasa, Democratic Republic of Congo
Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Medicine & Pharmacology Physics

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Breeding of the Giant African Edible Snail (Achatina achatina Linnaeus, 1758) in Gbado-Lite city, Democratic Republic of the Congo Koto-te-Nyiwa Ngbolua; Ruphin Djoza Djolu; Michael Dibere Selenga; Jean-Bernard Bosanza Zanyako; Colette Masengo Ashande; Clarisse Mawi Falanga; Moises Mawunu Monizi; Jonas Mbongu Sodi Nagahuedi
Britain International of Exact Sciences (BIoEx) Journal Vol 4 No 2 (2022): Britain International of Exact Sciences Journal, May
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v4i2.730

Abstract

The objective of this study was to evaluate the effect of the nature of the food ration on the size, weight, weight gain and ex situ reproduction of the snail (Achatina achatina) in Gbado-Lite. The results of this work show that variations in size [from 8.2±1.2 cm at feeding (D0) to 9.9±2.1 cm at day D84 (snail farm A) and from 8.4±1.1 cm to 10.2±1.8 cm (snail farm B)]; hatching rate [88.2% (snail house A) and 94.2% (snail house B)]; weight [460±18.5 g at loading (D0) to 760±26.3 g on day D84 (snail house A) and 475±10.9 g to 760±26.3 g (snail house B)]; mean absolute weight gain 84 days after loading [37.7±12.0 g (snail house A) and 36.5±9.6 g (snail house B)] were not statistically different between snail houses including mean daily weight gain (0.450±0.1 g/d vs. 0.363±0.1 g/d) and survival rate (90% vs. 100%). Both formulations have the same effect on the reproduction of Achatina achatina in captivity. It is therefore desirable that more in-depth studies be conducted with the aim of popularizing this non-conventional breeding in the city of Gbado-Lite. Thus, in the current context of biodiversity erosion linked to human activities as well as environmental factors, snail farming can contribute to empowerment, improved socio-economic conditions and household resilience to climate change.
Survey of Edible Caterpillars in Gbado-Lite City (North Ubangi, Democratic Republic of the Congo) and Medicinal Value of Their Host Plants Koto-te-Nyiwa Ngbolua; Robijaona Rahelivololoniaina Baholy; Rakotondrazafy Jennie Irma Norosoa; Ruphin Djoza Djolu; Colette Masengo Ashande; Felix Mboka Mune; John Koyanza Wangombe-Dawe; Michel Mobale Mongeke; Jean-Jacques Domondo Amogu; Blaise Mbembo-Wa-Mbembo; Moises Monizi Mawunu
Britain International of Exact Sciences (BIoEx) Journal Vol 4 No 2 (2022): Britain International of Exact Sciences Journal, May
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v4i2.731

Abstract

The purpose of this study was to conduct a survey of edible caterpillars and the ethno-medical value of their host plants in Gbado-Lite using the "snowball" sampling technique. The results of this study show that Anaphe panda, A. venata, Elaphrodes lactea, Imbrasia epimethea, I. oyemensis, I. truncata and Pseudanthera discrepans are the most consumed caterpillars. Drying is the most used preservation method (82.4%); ground collection is the most used harvesting method (86.3%) while evisceration (45.1%) and dehairing (33.3%) are the main cooking methods used. Harvesting is done more in the forest (94.1%) from May to July (86.3%). The vast majority (98%) of host plants are used in traditional medicine; leaves (53%) and bark (45%) are the most used parts, while decoction is the most used method of preparing therapeutic recipes (92%). The felling of trees (39%) and traditional agriculture (26%) are to varying degrees the main causes of the disappearance of edible caterpillars and their host plants. Incomplete cooking (78.4%) and/or the host plant (19.6%) are the main causes of consumer poisoning. It is therefore desirable that sustainable participatory management strategies for edible caterpillars and their host plants be put in place in North Ubangi Province. These include community agroforestry, which should be practiced in peri-urban areas in order to strengthen the resilience of communities to climate change while at the same time fighting hunger and poverty. Indeed, the domestication of species would allow annihilating the pressure on wild resources, to conserve them, to fight against deforestation and to ensure the availability and sustainability of edible caterpillars. Those phytochemical, pharmacological and toxicological studies could be carried out on host plants in order to identify compounds of medical interest contained in these plants.
Survey on Household Solid Waste Management in Gbado-Lite city (Nord-Ubangi) in the Democratic Republic of the Congo Koto-te-Nyiwa Ngbolua; Ruphin Djolu Djoza; Gina Wediani Ngbaisi; Colette Masengo Ashande; Clarisse Falanga Mawi; Monizi Mawunu; Clément Inkoto Liyongo; Jeff Iteku Bekomo
Britain International of Exact Sciences (BIoEx) Journal Vol 4 No 2 (2022): Britain International of Exact Sciences Journal, May
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v4i2.732

Abstract

Household solid waste management is a crucial issue for environmental and human health. The purpose of this study was to conduct a survey on household solid waste management in Gbado-Lite (Nord-Ubangi) in the Democratic Republic of Congo (DRC). A household solid waste survey was conducted in 5 neighborhoods of the city of Gbado-Lite in northern DRC from July to August. Data collection was made possible by stratified probability sampling and direct observations. The results of this study revealed that the main informants (75%) were women and 68% of the respondents were in the 18-35 age group. The main socio-cultural groups in the study area are the Ngbadi (55%) and Ngbaka (16%). In addition, 74% of respondents have secondary education and their main sources of income are commerce (25%), the civil service (20%) and the household (13%). Also, the main solid household wastes identified were organic materials (44%) and packaging (25%); the majority (56%) of respondents did not have garbage cans and used plastic buckets without lids as their main garbage can (75%). Almost all (98%) of the waste does not undergo primary separation. The main waste disposal methods used by households are: landfill (43.87%), abandonment on public land (30.62%) and incineration (18.36%). Finally, the main harms of waste reported are: typhoid fever (29%), malaria (25%) and mosquito proliferation (24%). It is therefore desirable that a public sanitation service be set up in Gbado-Lite to enable households to manage their solid waste properly and thus protect the urban environment and human health.
Co-Authors Blaise Mbembo-wa-Mbembo Clarisse Falanga Mawi Clarisse Mawi Falanga Clément Inkoto Liyongo Colette Masengo Ashande Colette Masengo Ashande Felix Mboka Mune Gina Wediani Ngbaisi Jean-Bernard Bosanza Zanyako Jean-Jacques Domondo Amogu Jeff Iteku Bekomo John Koyanza Wangombe-Dawe Jonas Mbongu Sodi Nagahuedi Michael Dibere Selenga Michel Mobale Mongeke Moises Mawunu Monizi Moises Monizi Mawunu Monizi Mawunu Rakotondrazafy Jennie Irma Norosoa Robijaona Rahelivololoniaina Baholy Ruphin Djolu Djoza Ruphin Djoza Djolu Ruphin Djoza Djolu