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Effect of dietary protein level on growth and energy utilization by Litopenaeus stylirostris under laboratory conditions ArchiMer
Gauquelin, F; Cuzon, Gerard; Gaxiola, G; Rosas, C; Arena, L; Bureau, D; Cochard, Jean-claude.
A study was conducted using a bioenergetics approach to generate information on energy requirement and feed utilization of Litopenaeus stylirostris. Animals (initial mean weight 21 +/- 1 g were fed ad libitum six experimental diets, ranging from 25 to 58% crude protein (CP), for 50 days. Weight gain increased from 21 to 30 g with increasing dietary protein level. Survival rates averaged 80%. Basal metabolism (HeE) and heat increment of feeding (HiE) were monitored using respirometry. HeE was on average I U shrimp(-1) day(-1) or 47 U kg live weight(-1) day (22 kJ/kg(0.8). d(-1)), slightly more than what is observed in fish. HiE averaged 0.2 W/sbrimp(-1) day(-1) or 10 W kg live weight(-1) day(-1) (4 kJ/kg(0.8) d(-1)). It represented 3 1 % and 12%...
Tipo: Text Palavras-chave: Respiration; Excretion; Growth; Dietary protein; L. stylirostris.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-6263.pdf
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Exigencias nutricionais de faisoes na fase de reproducao. I. Parametros produtivos. Repositório Alice
GARCIA NETO, M.; JUNQUEIRA, O.M.; MALHEIRO, E.B..
O experimento com faisoas (Phasianus colchicus) reprodutoras foi conduzido numa granja localizada em Serra Azul, SP. Foram utilizadas 108 matrizes, distribuidas em 18 boxes. O delineamento estatistico foi o inteiramente ao acaso, em esquema fatorial, em que se etudou o efeito de tres niveis de proteina (18%, 20% e 22%) e dois niveis de metionina+cistina (0,7% e 0,9%). Segundo os resultados obtidos, o nivel de 22% proteina bruta com 0,7% de metionina+cistina pode ser recomendado para dietas de faisoes em reproducao.
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Phasianus colchicus; Aves; Niveis de proteina; Niveis de metionina; Birds; Dietary protein; Levels of protein; Nutrition; Methionine levels.
Ano: 1995 URL: http://www.alice.cnptia.embrapa.br/handle/doc/104236
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Nutritional requirements of energy, protein and macrominerals for maintenance and weight gain of young crossbred Nellore × Holstein bulls on pasture. Repositório Alice
PORTO, M. O.; PAULINO, M. F.; VALADARES FILHO, S. de C.; DETMANN, E.; CAVALI, J.; SALES, M. F. L.; VALENTE, E. E. L.; COUTO, V. R. M..
The objective of this study was to estimate requirements of energy, protein and macrominerals of young Nellore/Holstein crossbreds bulls supplemented on pastures of Brachiaria decumbens Stapf. Thirty-five young bulls, at 8.53±0.18 months of age and with initial body weight of 230.6±6.1 kg were used. Ten animals were slaughtered as reference, in different weight range, and the other animals were slaughtered at the end of the experimental period. For estimate of net energy requirements for weight, a regression equation between log of retained energy (RE) and log of empty body weight gain (EBWG) was constructed. Net requirements of Ca, P, Mg, Na and K were determined by the equation Y' = a.b.Xb-1, in which a and b represent the intercept and the coefficient...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Nelore x Holstein; Gado de corte; Nutrição animal; Pastagem; Gramínea forrageira; Capim Brachiaria; Brachiaria decumbens; Suplemento mineral; Nutriente mineral; Proteína; Energia; Ganho de peso; Touro; Bezerro mestiço; Gado Nelore; Gado Holandês; Beef cattle; Animal nutrition; Pastures; Forage grasses; Dietary mineral supplements; Dietary energy sources; Dietary protein; Weight gain; Young animals; Crossbreds; Bulls; Nellore; Holstein; Ganado de carne; Pastizales; Nutrición animal; Suplementos dietéticos minerales; Fuentes energéticas dietéticas; Proteína dietética; Pastos forrajeros; Animales jóvenes; Aumento de peso; Productos del cruzamiento; Toros; Raza de bovinos Nelore; Raza de ganado Holstein.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/handle/doc/927192
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Protected fat and variable level of protein in diets of crossbreed cows in early lactation Animal Sciences
Souza Júnior, Alcy Heleno de; Lana, Rogério de Paula; Teixeira, César Roberto Viana; Gionbelli, Mateus Pies; Veloso, Cristina Mattos; Rennó, Luciana Navajas.
Current study evaluated the inclusion of protected fat and different levels of crude protein (CP) in the diet of crossbreed cows in early lactation. Twelve cows were distributed in a 4 x 4 factorial design, with four treatments (12 or 16% CP, with or without MEGALAC-E®). Statistical analyzes with ANOVA and Pearson’s linear correlation procedures were performed. Protected fat did not affect intake of dry matter (DM) and organic matter (OM) (p > 0.05). Increased CP raised consumption of CP and EE and decreased the non-fiber carbohydrates (NFC; p <0.05). Protected fat increased (p <0.05) the digestibility of DM, OM, CP and ashes in the lower protein content. CP increase raised the level of blood and urinary urea (p < 0.05). There was no difference...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.04.03.00-1; 5.04.03.02-8 concentrate; Dietary protein; Digestibility; Intake; Lipid supplementation; Milk yield.
Ano: 2016 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/29150
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Sustained swimming improves fish dietary nutrient assimilation efficiency and body composition of juvenile Brycon amazonicus Scientia Agricola
Arbeláez-Rojas,Gustavo Alberto; Moraes,Gilberto.
ABSTRACT Sustained swimming (SS) usually promotes beneficial effects in growth and feed conversion of fishes. Although feed efficiency is improves at moderate water velocity, more information is required to determine the contributions of this factor on growth and body composition. Body composition and efficiency responses to the use of nutrients were determined in juvenile matrinxa Brycon amazonicus (Spix and Agassiz, 1829) fed with two dietary amounts of protein, 28 or 38% of crude protein (CP), and subjected to sustained swimming at a constant speed of 1.5 body lengths s−1 (BL s−1) or let to free swimming. The fish body composition under SS and fed with 28% of dietary protein showed 22% of increased in bulk protein and a 26% of decrease in water content...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Benefits of exercise; Dietary protein; Nutrient retention; Optimal swimming speeds; Raceways.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162017000400259
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The Dietary Inclusion of Chickpea Seeds (Cicer Arietinum L.) Influences the Thermal Properties of Muscle Proteins, But Not the Texture of Drumstick Muscle in Broiler Chickens Rev. Bras. Ciênc. Avic.
Muszyński,S; Tomaszewska,E; Kwiecień,M; Dobrowolski,P; Świetlicka,I; Tanaś,W; Sołowiej,B; Ejtel,M; Szcześniak,E; Tomczyk-Warunek,T.
ABSTRACT In this study, the effect of replacement of soybean meal with raw chickpea seeds as a primary protein source in the diet of broiler chicks on physical properties of drumstick muscle (m. gastrocnemius) was examined. One-day-old Ross 308 broilers (n=160) were fed soybean meal (n=80) or raw chickpea seeds (n=80) as a primary protein source for 42 days. Drumstick muscles, after dissection and storage for 24 h at 5°C, were subjected to texture profile analysis to determine changes in the structural and material integrity, and the thermal stability of muscle proteins were assessed on the basis of differential scanning calorimetry measurements. Light meromyosin, heavy meromyosin and sarcoplasmic proteins in the meat samples of broilers fed raw chickpea...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Analytical methods; Dietary protein; Muscle structure; Physical properties.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2019000200302
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Whey protein improves HDL/non-HDL ratio and body weight gain in rats subjected to the resistance exercise BABT
Teixeira,Kely Raspante; Silva,Marcelo Eustáquio; Neves,Leandro Xavier; Santos,Rinaldo Cardoso dos; Pedrosa,Maria Lúcia; Haraguchi,Fabiano Kenji.
The aim of this study was to evaluate the effects of resistance exercise, such as weight-lifting (WL) on the biochemical parameters of lipid metabolism and cardiovascular disease risk in the rats fed casein (control) or whey protein (WP) diets. Thirty-two male Fisher rats were randomly assigned to sedentary or exercise-trained groups and were fed control or WP diets. The WL program consisted of inducing the animals to perform the sets of jumps with weights attached to the chest. After seven weeks, arteriovenous blood samples were collected for analysis. The WL or WP ingestion were able to improve the lipid profile, reducing the TC and non-HDL cholesterol concentrations, but only WP treatment significantly increased the serum HDL concentrations, thereby...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dietary protein; Lipid profile; Cholesterol; Cardiovascular disease risk.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000600019
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