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Carcass characteristics of lambs fed diets with increasing levels of crude glycerin
Caio Alves da Costa,Francisco Fernando Ramos de Carvalho,Adriana Guim,Gilcifran Prestes de Andrade,Daniel Barros Cardoso,Michel do Vale Maciel,Gabriela Goncalves da Silva,Andreza Guedes de Oliveira Na 아세아·태평양축산학회 2019 Animal Bioscience Vol.32 No.12
Objective: An experiment was conducted to evaluate the effects of increasing levels of crude glycerin (0%, 6%, 12%, and 18%) used as a substitute for corn in lamb feed on the quantitative characteristics of the carcass. Methods: A total of 40 crossbred Santa Inês lambs that were four months old with a mean initial weight of 21.0±0.8 kg were randomly distributed in four treatments with ten replicates. The animals were slaughtered after 66 days of confinement. The effects of crude glycerin as a replacement for corn in the diet of the lambs on the carcass characteristics, commercial cut weight and yield and carcass measurements were studied. Results: There was an increasing linear effect for body weight at slaughter with the replacement of corn by crude glycerin. The dry matter and metabolizable energy intakes, weight of the empty body, hot carcass weight and cold carcass weight showed a quadratic effect, with maximum crude glycerin levels estimated at 10.9%, 9.8%, 10.83%, 11.78%, and 11.35%, respectively. The initial pH was not influenced by the replacement of corn for crude glycerin, while the final pH presented a quadratic effect. The other parameters of the carcass and the weights and yields of commercial cuts were not influenced. There was also no effect of the diets on carcass morphometric measurements, except for the thoracic perimeter and the carcass compactness index, which presented quadratic and linear effects, respectively. Conclusion: Crude glycerin can replace up to 18% of corn because it favours muscle tissue deposition without promoting changes in the main carcass characteristics of lambs.
da Cruz-Filho, Antonio Miranda,de Vito, Angelo Rafael,Souza-Flamini, Luis Eduardo,da Costa Guedes, Debora Fernandes,Saquy, Paulo Cesar,Silva, Ricardo Gariba,Pecora, Jesus Djalma The Korean Academy of Conservative Dentistry 2017 Restorative Dentistry & Endodontics Vol.42 No.2
Objectives: Chitosan has been widely investigated and used. However, the literature does not refer to the shelf life of this solution. This study evaluated, through the colorimetric titration technique and an analysis of dentin micro-hardness, the shelf life of 0.2% chitosan solution. Materials and Methods: Thirty human canines were sectioned, and specimens were obtained from the second and third slices, from cemento-enamel junction to the apex. A 0.2% chitosan solution was prepared and distributed in 3 identical glass bottles (v1, v2, and v3) and 3 plastic bottles (p1, p2, and p3). At 0, 7, 15, 30, 45, 60, 90, 120, 150, and 180 days, the specimens were immersed in each solution for 5 minutes (n = 3 each). The chelating effect of the solution was assessed by micro-hardness and colorimetric analysis of the dentin specimens. 17% EDTA and distilled water were used as controls. Data were analyzed statistically by two-way and Tukey-Kramer multiple comparison (${\alpha}=0.05$). Results: There was no statistically significant difference among the solutions with respect to the study time (p = 0.113) and micro-hardness/time interaction (p = 0.329). Chitosan solutions and EDTA reduced the micro-hardness in a similar manner and differed significantly from the control group (p < 0.001). Chitosan solutions chelated calcium ions throughout the entire experiment. Conclusions: Regardless of the storage form, chitosan demonstrates a chelating property for a minimum period of 6 months.
Antonio Miranda da Cruz-Filho,Angelo Rafael de Vito Bordin,Luis Eduardo Souza-Flamini,Débora Fernandes da Costa Guedes,Paulo César Saquy,Ricardo Gariba Silva,Jesus Djalma Pécora 대한치과보존학회 2017 Restorative Dentistry & Endodontics Vol.42 No.2
Objectives: Chitosan has been widely investigated and used. However, the literature does not refer to the shelf life of this solution. This study evaluated, through the colorimetric titration technique and an analysis of dentin micro-hardness, the shelf life of 0.2% chitosan solution. Materials and Methods: Thirty human canines were sectioned, and specimens were obtained from the second and third slices, from cemento-enamel junction to the apex. A 0.2% chitosan solution was prepared and distributed in 3 identical glass bottles (v1, v2, and v3) and 3 plastic bottles (p1, p2, and p3). At 0, 7, 15, 30, 45, 60, 90, 120, 150, and 180 days, the specimens were immersed in each solution for 5 minutes (n = 3 each). The chelating effect of the solution was assessed by micro-hardness and colorimetric analysis of the dentin specimens. 17% EDTA and distilled water were used as controls. Data were analyzed statistically by two-way and Tukey-Kramer multiple comparison (α = 0.05). Results: There was no statistically significant difference among the solutions with respect to the study time (p = 0.113) and micro-hardness/time interaction (p = 0.329). Chitosan solutions and EDTA reduced the micro-hardness in a similar manner and differed significantly from the control group (p < 0.001). Chitosan solutions chelated calcium ions throughout the entire experiment. Conclusions: Regardless of the storage form, chitosan demonstrates a chelating property for a minimum period of 6 months.
Antiplasmodial and Cytotoxic Activities of Toad Venoms from Southern Amazon, Brazil
Felipe Finger Banfi,Karla de Sena Guedes,Carla Regina Andrighetti,Ana Carolina Aguiar,Bryan Wender Debiasi,Janaina da Costa Noronha,Domingos de Jesus Rodrigues,Gerardo Magela Vieira Junior,Bruno Anton 대한기생충학열대의학회 2016 The Korean Journal of Parasitology Vol.54 No.4