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      Concentraciones de glucemia e insulinemia en pollos broilers machos y hembras de cuatro semanas de edad y su relación con el peso Translated title: Concentrações de glicemia e insulina em broilers machos e fêmeas de quatro semanas de idade e sua relação com o peso Translated title: Glycemia and insulinemia concentrations in four-weeks-old male and female broilers and their relationship to weight

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          Abstract

          Introducción: el metabolismo de la glucosa en aves se relaciona directamente con la secreción de insulina, ya que esta hormona ejerce una función anabólica y a la vez esa respuesta se refleja en el crecimiento de las aves. Es escasa la información que se tiene sobre variables como sexo, edad y peso y su incidencia en la secreción de insulina y su regulación sobre las concentraciones de glucosa. Objetivo: comparar las concentraciones de insulina, glucosa y peso en pollos broiler de cuatro semanas de edad analizando sus valores entre hembras y machos; establecer valores de referencia para los niveles de insulina, glucosa y peso en pollos broiler de cuatro semanas de edad. Materiales y métodos: muestras de sangre en ayunas de ochenta pollos de engorde de ambos sexos (línea Cobb 500 de cuatro semanas de edad). Se determinaron los niveles de insulina mediante inmunoensayo enzimático tipo sandwich, la glucemia mediante glucómetro; para el peso se utilizó una balanza. Los resultados fueron analizados a través del programa estadístico Stata; se acepta una diferencia estadísticamente significativa cuando p es < 0,05. Resultados: los valores de la insulina son de 0,60 ± 0,63 ng/ml; en relación con los niveles de glucemia los machos reportaron valores de 415,45 ± 40,52 mg/dl; las hembras reportaron valores de 350,72 ± 68,37 mg/dl y, finalmente, los valores de peso en machos fue de 963,73 g y en hembras de 865,64 g. Conclusiones: los machos tienen mayor peso que las hembras. Las concentraciones de glucemia en los machos es mayor que las hembras y se determina que los valores de referencia de acuerdo con el sexo son: hembras (mg/dl) 350,72 ± 68,37 y machos (mg/dl) 415 ± 40,52, y, finalmente, los niveles de insulina son mayores en las hembras que en los machos.

          Translated abstract

          Introdução: o metabolismo da glucose em aves se relaciona diretamente com a secreção de insulina, já que este hormona exerce uma função anabólica e ao mesmo tempo essa resposta se reflete no crescimento das aves. É escassa a informação que se tem sobre variáveis como sexo, idade e peso e sua incidência na secreção de insulina e sua regulação sobre as concentrações de glucose. Objetivo: comparar as concentrações de insulina, glucose e peso em frangos broiler de quatro semanas de idade analisando seus valores entre fêmeas e machos; estabelecer valores de referência para os níveis de insulina, glucose e peso em frangos broiler de quatro semanas de idade. Materiais e métodos: amostras de sangue em jejum de oitenta frangos de corte de ambos os sexos (linha Cobb 500 de quatro semanas de idade). Puderam-se determinar os níveis de insulina mediante imuno ensaio enzimático tipo sanduíche, a glicemia mediante glicômetro; para o peso se utilizou uma balança. Os resultados foram analisados através do programa estatístico Stata; se aceita uma diferença estatisticamente significativa quando p é < 0,05. Resultados: os valores da insulina são de 0,60 ± 0,63 ng/ml; em relação com os níveis de glicemia os machos reportaram valores de 415,45 ± 40,52 mg/dl; as fêmeas reportaram valores de 350,72 ± 68,37 mg/dl e, finalmente, os valores de peso em machos foi de 963,73 g e em fêmeas de 865,64 g. Conclusões: os machos têm maior peso que as fêmeas. As concentrações de glicemia nos machos são maiores que nas fêmeas e se determina que os valores de referência de acordo com o sexo são: fêmeas (mg/dl) 350,72 ± 68,37 e machos (mg/dl) 415 ± 40,52, e, finalmente, os níveis de insulina são maiores nas fêmeas que nos machos

          Translated abstract

          Introduction: Glucose metabolism in birds is directly related to insulin secretion, given that this hormone exerts an anabolic function and this response is reflected in the growth of poultry. There is little information on variables such as sex, age and weight, and their effect on insulin secretion and the regulation of glucose concentrations. Objective: To compare concentrations of insulin, glucose, and weight in four-weeks-old male and female broiler chickens, in order to establish reference values for them. Materials and methods: Fasting blood samples were collected from 80 broilers of both sexes (four-weeks-old Cobb 500 line). Enzyme immunoassay (sandwich method) was used to determine levels of insulin, glucometer for glycemia levels, and scales for weight. Results were analyzed using the Stata statistical program; a statistically significant difference is accepted when p is <0.05. Results: Insulin values are 0.60 ± 0.63 ng/mL; regarding glucose levels, males reported values between 415.45 ± 40.52 mg/dL, and females between 350.72 ± 68.37 mg/dL; finally, weight values were 963.73 g in males and 865.64 g in females. Conclusions: Males are heavier than females. Glycemia concentrations are higher in males than in females; reference values according to sex are: in females (mg/dL) 350.72 ± 68.37, and in males (mg/dL) 415 ± 40.52; finally, insulin levels are higher in females than in males

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          Most cited references38

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          Comparative Avian Nutrition

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            Whole body glucose metabolism.

            This review describes major factors that, singly or together, influence the concentration and distribution of D-glucose in mammals, particularly in humans, with emphasis on rest, physical activity, and alimentation. It identifies areas of uncertainty: distribution and concentrations of glucose in interstitial fluid, kinetics and mechanism of transcapillary glucose transport, kinetics and mechanism of glucose transport via its transporters into cells, detailed mechanisms by which hormones, exercise, and hypoxia affect glucose movement across cell membranes, whether translocation of glucose transporters to the cell membrane accounts completely, or even mainly, for insulin-stimulated glucose uptake, whether exercise stimulates release of a circulating insulinomimetic factor, and the relation between muscle glucose uptake and muscle blood flow. The review points out that there is no compartment of glucose in the body at which all glucose is at the same concentration, and that models of glucose metabolism, including effects of insulin on glucose metabolism based on assumptions of concentration homogeneity, cannot be entirely correct. A fresh approach to modeling is needed.
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              The Avian Endocrine Pancreas

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rmv
                Revista de Medicina Veterinaria
                Rev. Med. Vet.
                Universidad de La Salle
                0122-9354
                July 2016
                : 0
                : 32
                : 21-28
                Affiliations
                [1 ] Universidad de Caldas Colombia
                [2 ] Universidad de Manizales Colombia
                [3 ] Universidad de Caldas Colombia
                Article
                S0122-93542016000200003
                10.19052/mv.3852
                2afc6728-11e7-48d1-b313-b35d737dcc72

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Colombia

                Self URI (journal page): http://www.scielo.org.co/scielo.php?script=sci_serial&pid=0122-9354&lng=en
                Categories
                VETERINARY SCIENCES

                General veterinary medicine
                insulina,peso,glicemia,frangos de corte,metabolismo,glucemia,pollos de engorde,broiler chickens,metabolism,insulin,weight,glycemia

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