Effects of providing dietary wood (oak) charcoal to broiler chicks and laying hens

Kutlu, Hasan Rüştü; Ünsal, İlknur Öztürk; Görgülü, Murat

doi:10.1016/s0377-8401(01)00205-x

Cited by 78 publications

(74 citation statements)

References 7 publications

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“…Our findings indicated that the dietary BC supplementation could be a potential feed additive to enhance the growth of P. hypophthalmus and supports research in tiger puffer [15] and other studies that reported growth in goats [8], in broiler chicks [21], and in Japanese flounder [22].…”

Section: Histological Observationsupporting

confidence: 90%

Effects of Bamboo Charcoal Added Feed on Reduction of Ammonia and Growth of Pangasius hypophthalmus

R¹

2014

J Aquac Res Development

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A 50-day feeding trial was conducted to determine the effects of dietary bamboo charcoal (BC) on ammonia (NH 3 -N) excretion and growth performances of Pangasius hypophthalmus. Four levels of BC (0%, 0.5%, 1% and 2%) were supplemented to the diet composition and fed to fish (initial body weight 1.18 ± 0.04 g) twice a day. At the end of the trial, mean of final weight (g), final length (cm), weight gain (g), length gain (cm), percent weight gain, percent length gain, specific growth rate (% per day), feed conversion ratio, survival rates and water quality parameters i.e, ammonia (NH 3 -N), pH, and dissolved oxygen were measured and found that fish fed 2% BC diet showed significantly (P<0.05) higher growth enhancement than those of fish fed the control diet (0% BC). Ammonia concentration over the experimental period decreased with increasing dietary BC. Moreover, in histological observation it was found that the villus height and villus area in all intestinal segments tended to increase with increasing dietary BC supplementation. The present results indicate stimulating effects of dietary BC on intestinal villi and the diet supplemented with 2% BC was found to have a suitable level to fulfill the maximum growth performances of P. hypophthalmus and to decrease the ammonia concentration. Dissolved oxygen: Dissolved oxygen of the aquarium water was recorded in mg/1 with the help of a dissolved oxygen meter (Model Oxi 3150i, Germany). Effects of Bamboo Charcoal Added Feed on Reduction of Ammonia and Growth of Pangasius hypophthalmuspH: pH of the water was recorded with the help of a pH meter (pH meter L20 ME 1-1 LER TOLEDO, Switzerland).

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Section: Histological Observationsupporting

confidence: 90%

Effects of Bamboo Charcoal Added Feed on Reduction of Ammonia and Growth of Pangasius hypophthalmus

R¹

2014

J Aquac Res Development

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“…Results from this study revealed that birds fed the 1.5% BCV diet had similar body weight gain to those of the control birds. The reason could be that at a high level of dietary charcoal, nutrients such as vitamins, fats and enzymes as well as noxious substances may be adsorbed, and interfering with digestion (Kutlu et al, 2001). The results showed an increase in leg weight of male chickens fed BCV diets, correlating with the results of male body weight gain.…”

Section: Discussionmentioning

confidence: 66%

Effects of Dietary Bamboo Charcoal Powder Including Bamboo Vinegar Liquid Supplementation on Growth Performance, Fecal Microflora Population and Intestinal Morphology in Betong Chickens

Rattanawut

2014

J. Poult. Sci.

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This study investigates the combined effect of bamboo charcoal powder and bamboo vinegar liquid (BCV) on the growth, fecal microflora population and intestinal morphology in Betong chickens. A total of 128 4-week-old Betong chickens were fed a basal diet supplemented with BCV at 0, 0.5, 1 and 1.5% level ad libitum for 16 weeks. The 1% inclusion of BCV gave the best growth performance. Carcass traits (yield) and visceral organs were not significantly affected by BCV. Jejunal villus height and jejunal villus area were also the highest in the 1% BCV group. At 140 days of age, colony counts of fecal Escherichia coli and Salmonella spp. were comparatively low with 1 and 1.5% BCV. The present results suggest that BCV could be used at a level of 1% in Betong chicken diets.

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“…Do mesmo modo que neste estudo, Oba et al (2005) não observou diferenças significativas nos níveis de colesterol sanguíneo de poedeiras alimentadas com rações contendo 2% de cinza vegetal. Kutlu et al (2001) observaram aumento da excreção de lipídios nas fezes de pintinhos (1 a 21 dias) com o aumento dos níveis de carvão na ração, porém não notaram diminuição na gordura corporal e explicaram que a possível causa para isso é a síntese deficiente de bile pelos pintinhos, que dificulta a digestão lipídica, de modo que a gordura proveniente da dieta é adsorvida pelo carvão.…”

Section: Resultsunclassified

Avaliação de óleos, carvão vegetal e vitamina E no desempenho e nas concentrações lipídicas do sangue e dos ovos de poedeiras

Fanchiotti¹,

Moraes²,

Barbosa³

et al. 2010

R. Bras. Zootec.

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RESUMO -Foram estudados os efeitos de duas fontes de óleo vegetal, de carvão e de vitamina E sobre o desempenho e os níveis lipídicos do sangue e dos ovos de poedeiras comerciais. Utilizaram-se poedeiras Lohmann Brown e Lohmann LSL com 58 semanas de idade. O experimento teve duração de 84 dias, divididos em três períodos de 28 dias, e foi realizado em delineamento inteiramente casualizado em esquema de parcelas subdivididas, tendo nas parcelas um esquema fatorial 8 × 2, com oito dietas e duas marcas comerciais, e nas subparcelas os períodos. Para avaliação das características produtivas, colesterol total, triglicérides e HDL sanguíneos, utilizaram-se quatro repetições de seis aves por unidade experimental e, para determinação do colesterol total das gemas, duas repetições. As dietas foram acrescidas de 2,0% de óleo de soja ou de linhaça em combinação ou não com vitamina E (60 mg/kg de ração) e/ou carvão (2,0%). Os resultados não evidenciaram diferenças entre as dietas experimentais sobre as variáveis de desempenho. Consumo de ração, espessura da casca, colesterol total e triglicerídios no sangue foram influenciados pelas marcas comerciais e peso médio dos ovos, espessura da casca, colesterol total e triglicerídios no sangue, pelos períodos experimentais. O uso de óleos vegetais, carvão e vitamina E nas dietas experimentais não influencia as características de desempenho nem o perfil lipídico do sangue e de colesterol total da gema dos ovos. Aves Lohmann LSL apresentam maiores consumos de ração e níveis mais altos de colesterol e triglicérides no sangue.Palavras-chave: características produtivas, gema, lipídios sanguíneos Evaluation of oil, vegetal charcoal and E vitamin on performance and on blood and egg lipid concentrations of laying hens ABSTRACT -This experiment was carried out to evaluate the effects of two vegetal oils sources, charcoal and vitamin E on performance and lipid levels in blood and eggs of commercial laying hens. It was used Lohman Brown and Lohman LSL laying hens at 58 weeks of age. The experiment lasted 84 days split in three 28-day periods and it was carried out in a complete random design in a split-plot scheme, in a 8 × 2 factorial scheme in the plots with eight diets an two commercial brands, and the periods in the subplots. For evaluation of productive characteristics, total cholesterol, blood tryclecydes and HDL, it was used four repetitions of six birds per experimental unit and, for determination of total yolk cholesterol, two repetitions were used. Diets were added with 2% soybean oil or linseed oil combined or not with E vitamin (60 mg/kg ration) and/or charcoal (2%). No diet effects on the performance variables were observed. Commercial strain effects on feed intake, shell thickness, total cholesterol and blood triglycerides and experimental period effects on egg weight, shells thickness, total cholesterol and blood triglycerides were observed. Use of vegetal oil, charcoal and vitamin E in experimental diets do not affect characteristics of performance neither blood lipid and egg ...

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Effects of providing dietary wood (oak) charcoal to broiler chicks and laying hens

Cited by 78 publications

References 7 publications

Effects of Bamboo Charcoal Added Feed on Reduction of Ammonia and Growth of Pangasius hypophthalmus

Effects of Bamboo Charcoal Added Feed on Reduction of Ammonia and Growth of Pangasius hypophthalmus

Effects of Dietary Bamboo Charcoal Powder Including Bamboo Vinegar Liquid Supplementation on Growth Performance, Fecal Microflora Population and Intestinal Morphology in Betong Chickens

Avaliação de óleos, carvão vegetal e vitamina E no desempenho e nas concentrações lipídicas do sangue e dos ovos de poedeiras

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