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      Influência da dieta com diferentes níveis de lipídeo e proteína na resposta fisiológica e hematológica de reprodutores caprinos sob estresse térmico Translated title: Influence of diet with different levels of lipid and protein in the physiologic and hematological responses of buck goat under thermal stress

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          Abstract

          Este trabalho foi desenvolvido no Centro de Saúde e Tecnologia Rural da Universidade Federal de Campina Grande Campus de Patos-PB. Com o objetivo de verificar se dietas com diferentes níveis de lipídeo e proteína no período mais quente do ano (Novembro a Dezembro) influenciam na resposta fisiológica e hematológica de reprodutores caprinos sob estresse térmico. Foram utilizados 27 reprodutores caprinos, mestiços de Anglo-Nubiano com caprinos sem raça definida (SRD). Distribuídos num delineamento inteiramente casualizado no esquema fatorial 3 x 3 x 2, três níveis de lipídeos (2, 4 e 6%), três níveis de proteína (12, 15 e 18%) e dois turnos (manhã e tarde) com três repetições. Alimentados com dietas balanceadas compostas por: farelos de milho, trigo e soja, feno de Tifton (Cynodon spp.), mistura mineral e como fonte de lipídeo óleo de girassol. As leituras dos dados meteorológicos foram realizadas duas vezes por dia às 9:00 horas da manhã e às 15:00 horas da tarde. Os parâmetros fisiológicos: temperatura retal (TR), freqüência respiratória (FR) e temperatura superficial (TS) foram aferidos dois dias por semana nos dois turnos às 9:00 horas da manhã e às 15:00 horas da tarde. Foi coletada uma amostra de sangue, para a realização de eritrograma. As médias das temperaturas foram de 37,21 ºC para a máxima e 25,25 ºC para a mínima. Os valores do índice temperatura do globo negro e umidade (ITGU) para os turnos da manhã e tarde foram de 80,16 e 87,17, respectivamente. Não se verificou efeito (P>0,05) das dietas sobre os parâmetros TR e FR. Com relação ao fator turno houve efeito significativo (P<0,05) para TR e FR. Para a TS houve interação significativa (P<0,05), para a dieta com 15% de proteína e 2% de lipídeo e para o turno. A análise de variância não revelou efeito significativo (P>0,05) das dietas sobre os parâmetros sanguíneos, hematócrito (HT), eritrócitos (ER), hemoglobina (HB), hemoglobina corpuscular média (CHCM) e volume globular médio (VGM). Os diferentes níveis de proteína e lipídeo na dieta não exerceram efeito sobre os parâmetros fisiológicos e hematológicos dos animais estudados nas condições desse experimento.

          Translated abstract

          This work was developed in the Center of Health and Rural Technology at Federal University of Campina Grande - Campus of Patos-PB. The objective was to test the diets with different lipid and protein levels in the highest temperature of the year (November to December) on the physiological and hematological parameters of the buck goats kept under thermal stress. A total of 27 buck goats crossbred of the Anglo-Nubiano with buck goat without defined bred were used. The buck were allocated into a completely randomized design in a 3 x 3 x 2 factorial scheme, three lipids levels (2, 4 and 6%), three protein levels (12, 15 and 18%) and two periods (morning and afternoon) with three repetitions. The buck goats were fed with balanced diets based on: corn crumbs, wheat and soybean meal , hay of Tifton (Cynodon spp.), it mixes mineral and and sunflower oil as a lipid source. The meteorological data were done twice a day at the 9:00 am and 15:00 pm. The physiological parameters rectal temperature (TR), respiratory frequency (FR) and surface temperature (TS) were checked two days a week in the two periods at 9:00am and 15:00 pm. A sample of blood was collected, for the erythrogram analysis. The temperatures ranged from 37,21 ºC to 25,25 ºC . The values of the black globe and humidity index temperature (BGHI) for the shifts of the morning and afternoon were of 80,16 and 87,17, respectively. There was no effect (P>0,05) of the diets on the parameters TR and FR. In relation to the periods also shown no significant effect (P <0,05) on the TR and FR. The data shown a significant interaction (P<0,05), for the diet with 15% of protein and 2% of lipid on the periods studied.. The variance analysis did not show any significantive effect (P>0,05) of the diets on the blood parameters, hematócrit (HT), erythrocyte (ER), hemoglobin (HB), hemoglobin medium corpuscular (CHCM) and medium globular volume (VGM). The different protein levels and lipid in the diet did not show any effect on the physiologic and hematological parameters on the buck goats reared under thermal stress tested.

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            Essentials of Veterinary Hematology

            Essentials of Veterinary Hematology is a concise text on the subject of veterinary hematology. It has been written to provide a ready source of current and fundamental information necessary to the understanding of basic concepts in hematology as a discipline and veterinary hematology as a specialty.<br><br>The book is aimed at undergraduate veterinary students, veterinary medical technologists, animal technicians, and all those interested in an abridged text in comparative hematology. Graduate veterinary students can use it as a ready source for reviewing the pathophysiology of blood as it relates to clinical veterinary medicine. A generalized approach to the interpretation of various hematologic abnormalities is presented throughout the text, along with comments on species-specific hematologic attributes and hematologic abnormalities encountered in various species.
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              SAS User's Guide: Statistics

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                cagro
                Ciência e Agrotecnologia
                Ciênc. agrotec.
                Editora da Universidade Federal de Lavras (Lavras )
                1981-1829
                February 2006
                : 30
                : 1
                : 154-161
                Affiliations
                [1 ] Universidade Federal de Campina Grande Brazil
                [2 ] UFRPE
                Article
                S1413-70542006000100022
                10.1590/S1413-70542006000100022
                2f3129a5-d741-4137-ad75-ab0d50d327c1

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

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1413-7054&lng=en
                Categories
                AGRICULTURE, MULTIDISCIPLINARY

                General agriculture
                Heat stress,energy,hysiology responses,erythrogran,Estresse calórico,energia,parâmetros fisiológicos,eritrograma

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