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Modeling and Numerical Simulation of Heat Transfers in a Metallic Pressure Cooker Isolated with Kapok Wool

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Modeling and Numerical Simulation of Material Science 2020年第2期10卷 15-30页

作者： drissa ouedraogo Serge Wendsida Igo Gael Lassina Sawadogo Abdoulaye Compaore Belkacem Zeghmati Xavier Chesneau Laboratoire d’Energies Thermiques Renouvelables(LETRE) Universite Joseph KI-ZERBOOuagadougouBurkina Faso Departement Energie Institut de Recherche en Sciences Appliquees et Technologies(IRSAT/CNRST)OuagadougouBurkina Faso Laboratoire de Mathematiques et Physique(LAMPS) Universite de Perpignan Via DomitiaPerpignanFrance

In this work, a numerical study of heat transfers in a metallic pressure cooker isolated with kapok wool was carried out. This equipment works like a thermos, allowing finishing cooking meals only thanks to the heat stored at the beginning of cooking, which generates energy savings. Cooked meals are also kept hot for long hours. In our previous work, we have highlighted the performances of the pressure cooker when making common dishes in Burkina Faso. Also, the parameters (thickness and density) of the insulating matrix allowing having such performances as well as the influence of the climatic conditions on the pressure cooker operation were analyzed in detail in this present work. The numerical methodology is based on the nodal method and the transfer equations obtained by making an energy balance on each node have been discretized using an implicit scheme with finite differences and resolved by the Gauss algorithm. Numerical results validated experimentally show that the thickness of the kapok wool as well as its density play an important role in the pressure cooker operation. In addition, equipment performances are very little influenced by the weather conditions of the city of Ouagadougou (Burkina Faso).

关键词： Pressure Cooker Kapok Wool Heat Transfers Modeling Nodal Method

Technical-Economic Performance, Carcass and Meat Quality of COBB500 Broilers Fed Rations Incorporating Mango By-Product Feeds in Ivory Coast (West Africa)

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Open Journal of Animal Sciences 2024年第1期14卷 1-13页

作者： Timbilfou Kiendrébéogo Alidjata Traoré Etienne Sodre drissa Barry Isidor ouedraogo Marcelle Grace Koidja Vianney Tarpaga Centre National de la Recherche Scientifique et Technologique Institut de l’Environnement et de Recherches Agricoles Laboratoire de Recherches en Production et Santé Animales (LAREPSA) Bobo-Dioulasso Burkina Faso Centre National de la Recherche Scientifique et Technologique Institut de l’Environnement et de Recherches Agricoles Laboratoire Central d’Horticulture (LCH) Bobo-Dioulasso Burkina Faso Laboratoire d’Etude des Ressources Naturelles et des Sciences de l’Environnement (LERNSE) Ecole Doctorale Sciences Naturelles et Agronomie (ED-SNA) Université Nazi BONI Bobo-Dioulasso Burkina Faso Université Catholique de l’Afrique de l’Ouest (UCAO) Section du Burkina Faso Bobo-Dioulasso Burkina Faso Direction Régionale de l’Agriculture des Ressources Animales et Halieutiques de l’Est Fada Burkina Faso

The study evaluated the growth performance and carcass quality of COBB500 broilers fed two experimental rations incorporating feed and mango fine ED10 for a batch of 83 birds, ED20 (batch of 83 birds) in comparison with a commercial control ration CCD (84 birds). For this purpose, 250 day-old chicks of this breed were purchased in Korhogo and transported to Tengréla in Ivory Coast for rearing. The results show that substituting mango provender ans and mango seed flour for maize resulted in rations with costs per kgMS of 215.35FCFA, 2016.93FCFA and 320FCFA for the ED10, ED20 and CCD rations respectively. The production costs per kg of chicken (FCPkgLW) of the CCD ration were significantly higher than those of the ED10 and ED20 (p 0.05). ADGs were significantly different and decreasing from CCD, ED20 to ED10 (p 0.05). Average weights at 42nd day for ED20 and CCD were homogeneous (p > 0.05) and significantly higher than for ED10 (p 0.05). By day 49th the average weight of ED20 had reached and exceeded that of CCD by day 42nd. PSLW, HCW and CCW were significantly different and decreasing from CCW, ED20 to ED10 (p 0.05). Average hot (HCY) and cooled (CCY) carcass yields of ED20 and CCD rations were comparable (p > 0.05) and significantly higher than those of ED10 ration (p = 0.009) and 0.003). Average drumstick and neck weights were significantly higher and lower for CCD, ED20 and ED10 (p 0.05). For all other parts of the cut, the average weights of the CCD ration were significantly higher (p 0.05) than those of the ED20 and ED10 rations, which were homogeneous (p 0.05). The incorporation of mango provender and mango seed flour in broiler rations offers the prospect of reduced production costs, less competition between man and animals over cereals, and lean meat production tha

关键词： Broiler COOB 500 Chickens Mango Feed Carcass Characteristics Tengrela Ivory Coast

Influence of Sorbent Type on Drying Efficiency, Production Costs and Nutritional Values of Mango By-Products Feeds for Livestock

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Food and Nutrition Sciences 2023年第12期14卷 1221-1231页

作者： Kiendrébéogo Timbilfou Koadia Marcelle Grâce Sodre Etienne Barry drissa ouedraogo Zangbéwindin Isidor Tarpaga Vianey Laboratoire Centrale d’Horticulture (LCH /Centre Régional d’Excellence en Fruits et Légumes (CRE-FL) Institut de l’Environnement et de Recherches Agricoles Station de Farako-Ba Bobo-Dioulasso Burkina Faso Laboratoire de Recherche et d’Etudes en Production et Santé Animales (LAREPSA) Département Productions Animales (DPA) l’Institut de l’Environnement et de Recherches Agricoles (INERA) Station de Farako-Ba Bobo-Dioulasso Burkina Faso Laboratoire d’Etude des Ressources Naturelles et des Sciences de l’Environnement (LERNSE) Ecole Doctorale Sciences Naturelles et Agronomie (ED-SNA)/Université Nazi BONI Bobo-Dioulasso Burkina Faso Université Catholique de l’Afrique de l’Ouest (UCAO) section du Burkina Faso Bobo-Dioulasso Burkina Faso Direction Régionale de l’Agriculture des Ressources Animales et Halieutiques de l’Est Fada Burkina Faso

The aim of the study was to determine the best food absorbents between wheat, rice and maize bran and palm kernel cake, from a technical and economic point of view, in order to make a better recommandation for their use in the production process of food based on mango by-products (peels, peels + pulp). To this end, series of 18 kg of fresh feed were prepared and spread out in a stall for sun-drying using a randomized Fisher system. Preparations were made using either mango peels (75%) + absorbent (25%) or pulp + mango peels (67%) + sorbent (33%). The results show that mango Peel feed loses more water (WL) with lover production yields (PY), higher mango incorporation rates into dry feed (MRI), longer drying times (UDT) and lower production costs (CPkgPD) than mango peel + pulp. The average DM, MAT, ADF and NDF fiber contents were almost equal to those of mango peels + pulp feed. The average Crude Fiber (CF) (25.13%) and DEp (2839 kcal/kgDM) contents were higher for mango skin feed than for mango skin + pulp feed, at 8.59% and 2536 for MAT and DEp respectively. Mango peels + wheat bran (PSB25) and whole mango (MESB33) feeds recorded the highest and almost equal levels of TCP, NDF and MM. Production costs per kg of feed dry mater (CPkgDM) for feed produced at 25% were on average 33% higher than for whole mango (WM) feed. Excluding mango raw material, palm kernel meal (PK), rice bran (RB), maize bran (MB) and wheat bran (WB) can be ranked 1st, 2nd, 3rd and 4th in terms of cumulative performance of production parameters. Producers can then choose the type of sorbent they wish to use according to this ranking and the local availability of the sorbent. These feeds can be used for both ruminants and monogastrics, but are better suited to ruminant feeding due to their high fiber content.

关键词： Mango Provends Food Absorbent Drying Efficiency Nutritional Values An-imal Feed Ivory Coast

Giant Hydronephrosis in Sourou Sanou University Teaching Hospital of Bobo-Dioulasso (Burkina-Faso). Two Cases Reports and Literature Review

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Open Journal of Urology 2018年第1期8卷 17-24页

作者： Timothée Kambou Adama Ouattara Abdoul Karim Paré drissa S. Barro Clotaire Yaméogo Abdoulaye Kodo Aristide F. Kabore Urology Division Souro Sanou University Teaching Hospital Bobo-Dioulasso Burkina Faso Anesthesiology and Resuscitation Division Souro Sanou University Teaching Hospital Bobo-Dioulasso Burkina Faso Urology Division Yalgado Ouedraogo University Teaching Hospital Ouagadougou Burkina Faso

Giant Hydronephrosis (GH) is a rare condition in urology literature and defined as a pelvicalyceal system of kidney containing more of 1000 ml of urine. This condition is not so rare in our setting. We herein, reported two cases of giant hydronephrosis, seen in two young patients respectively with 5 and 9 years old and their collecting system containing 4000 ml and 5000 ml of urines respectively. Only simple nephrectomy was performed for the two cases with renal function impairment and the post operative course was uneventful. Our purpose through these cases reports is to discuss diagnosis features and management of such condition in our setting, a context of low income countries as Burkina-Faso where diagnosis tool and further investigation are not always available.

关键词： Giant Hydronephrosis Child Simple Nephrectomy

Influence of Sorbent Type on Drying Efficiency, Production Costs and Nutritional Values of Mango By-Products Feeds for Livestock

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Management of a Severe Form of Verneuil’s Disease in Its Genitoperineal Localisation in Bobo-Dioulasso

Food and Nutrition Sciences（食品与营养科学） 2023年第12期

作者： Kiendrébéogo Timbilfou Koadia Marcelle Grâce Sodre Etienne Barry drissa ouedraogo Zangbéwindin Isidor Tarpaga Vianey

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Open Journal of Urology 2015年第2期5卷 13-18页

作者： Zare Cyprien Ouattara Adama Kambou Timothée Ouangre Edgar Diallo Boukary Traore A. Ibrahim Barro drissa Sanon G. Bakary Ye O. Delphine Traore S. Simon Department of Surgery University Teaching Hospital Souro Sanou Bobo-Dioulasso Burkina Faso Visceral Surgery University Teaching Hospital Yalgado Ouedraogo Ouagadougou Burkina Faso Department of Medicine and Medical Specialties University Teaching Hospital Bobo-Dioulasso Burkina Faso

The authors report a severe form of genitoperineal localisation of Verneuil’s disease managed in a surgical environment, having evolved favorably with improvement of the patient’s quality of life, but persistence of unsightly skin scars. They insist on the unexceptional nature of this disease whose prognosis is reserved, sometimes leaving severe functional sequelae. The long evolution of the disease with prolonged hospitalization in a professionally active young patient and the extension of suppurations to the perineal, scrotal and inguinal regions was the features of this observation. After wide excision of the lesions with antibiotic associated with local care, evolution had taken to complete wound healing with improved quality of life and a recovery of his professional activity.

关键词： Verneuil’s Disease Hydradenitis Suppurativa Genitoperineal Surgery