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3 results on '"Guar gum level"'

1. Effect of ingredient particle sizes and dietary viscosity on digestion and faecal waste of striped catfish (<italic>Pangasianodon hypophthalmus</italic>).

Author

Tran‐Tu, L. C., Hien, T. T. T., Bosma, R. H., Heinsbroek, L. T. N., Verreth, J. A. J., and Schrama, J. W.

Subjects
*ANIMAL feeding behavior, *DIGESTION, *FECES, *CATFISHES, *DRY matter in animal nutrition
Abstract

Abstract: The ingredients’ particle size and dietary viscosity may alter digestion, performance and faecal waste management of fish. This study aimed to assess the effect of grinding screen sizes of feed ingredients and dietary viscosity on digestibility, faecal waste and performance of striped catfish (Pangasianodon hypophthalmus, Sauvage, 1878). The experiment had a 2 × 3 factorial‐design: two feed mesh particle sizes, by grinding ingredient mixtures at two screen sizes (0.8 versus 1.0 mm); and three dietary viscosity levels, created by exchanging carboxymethylcellulose by guar gum (GG) (0, 3 and 6 g of GG/kg of diet). Six diets were assigned to 18 tanks, each connected to three faecal settling tanks. All aquaria were stocked with 20 fish (82 g per fish). After 52 experimental days, dietary viscosity negatively affected both feed digestibility and performance of striped catfish; as a result, the amount of organic matter in the culture system through faeces had increased significantly. The coarse diets significantly increased the digestibility of dry matter and carbohydrate but worsened feed conversion ratio. Increasing dietary viscosity tended to increase the viscosity and moisture content of the faeces, but significantly accelerated the faecal disintegration through the reduction of both faecal recovery and the amount of recovered faeces. [ABSTRACT FROM AUTHOR]

Published
2018
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2. Effect of ingredient particle sizes and dietary viscosity on digestion and faecal waste of striped catfish (Pangasianodon hypophthalmus )

Author

Tran Thi Hien, L.T.N. Heinsbroek, Johan A.J. Verreth, L.C. Tran-Tu, R.H. Bosma, and Johan W. Schrama

Subjects
Performance, Guar gum level, Aquatic Science, Biology, Feed conversion ratio, Ingredient, Aquaculture and Fisheries, Grinding screen size, Dry matter, Food science, Fokkerij & Genomica, Animal nutrition, Faecal waste, Guar gum, Aquacultuur en Visserij, 0402 animal and dairy science, 04 agricultural and veterinary sciences, 040201 dairy & animal science, Striped catfish, WIAS, 040102 fisheries, 0401 agriculture, forestry, and fisheries, Digestion, Composition (visual arts), Animal Breeding & Genomics, Catfish
Abstract

The ingredients' particle size and dietary viscosity may alter digestion, performance and faecal waste management of fish. This study aimed to assess the effect of grinding screen sizes of feed ingredients and dietary viscosity on digestibility, faecal waste and performance of striped catfish (Pangasianodon hypophthalmus, Sauvage, 1878). The experiment had a 2 × 3 factorial-design: two feed mesh particle sizes, by grinding ingredient mixtures at two screen sizes (0.8 versus 1.0 mm); and three dietary viscosity levels, created by exchanging carboxymethylcellulose by guar gum (GG) (0, 3 and 6 g of GG/kg of diet). Six diets were assigned to 18 tanks, each connected to three faecal settling tanks. All aquaria were stocked with 20 fish (82 g per fish). After 52 experimental days, dietary viscosity negatively affected both feed digestibility and performance of striped catfish; as a result, the amount of organic matter in the culture system through faeces had increased significantly. The coarse diets significantly increased the digestibility of dry matter and carbohydrate but worsened feed conversion ratio. Increasing dietary viscosity tended to increase the viscosity and moisture content of the faeces, but significantly accelerated the faecal disintegration through the reduction of both faecal recovery and the amount of recovered faeces.

Published
2017
Full Text
View/download PDF

3. Effect of ingredient particle sizes and dietary viscosity on digestion and faecal waste of striped catfish (Pangasianodon hypophthalmus)

Author

Tran, Tu, Hien, T.T.T., Bosma, R.H., Heinsbroek, L.T.N., Verreth, J.A.J., Schrama, J.W., Tran, Tu, Hien, T.T.T., Bosma, R.H., Heinsbroek, L.T.N., Verreth, J.A.J., and Schrama, J.W.

Abstract

The ingredients' particle size and dietary viscosity may alter digestion, performance and faecal waste management of fish. This study aimed to assess the effect of grinding screen sizes of feed ingredients and dietary viscosity on digestibility, faecal waste and performance of striped catfish (Pangasianodon hypophthalmus, Sauvage, 1878). The experiment had a 2 × 3 factorial-design: two feed mesh particle sizes, by grinding ingredient mixtures at two screen sizes (0.8 versus 1.0 mm); and three dietary viscosity levels, created by exchanging carboxymethylcellulose by guar gum (GG) (0, 3 and 6 g of GG/kg of diet). Six diets were assigned to 18 tanks, each connected to three faecal settling tanks. All aquaria were stocked with 20 fish (82 g per fish). After 52 experimental days, dietary viscosity negatively affected both feed digestibility and performance of striped catfish; as a result, the amount of organic matter in the culture system through faeces had increased significantly. The coarse diets significantly increased the digestibility of dry matter and carbohydrate but worsened feed conversion ratio. Increasing dietary viscosity tended to increase the viscosity and moisture content of the faeces, but significantly accelerated the faecal disintegration through the reduction of both faecal recovery and the amount of recovered faeces.

Published
2018

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