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Contaminação salivar da extrusa em novilhos alimentados com diferentes volumosos, com e sem suplementação [PDF]
Arquivo Brasileiro De Medicina Veterinaria E Zootecnia, 2006 Determinaram-se as alterações nos teores de proteína bruta (PB), compostos nitrogenados não protéicos (NNP), fibra em detergente neutro (FDN), fibra em detergente ácido (FDA), lignina (LIG), cinzas, cálcio (Ca), fósforo (P), magnésio (Mg), potássio (K) e sódio (Na) de alimentos usados para novilhos, provocadas pela contaminação da extrusa pela saliva ...
Valadares Filho S C +2 more
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A comparison of methods of recovering oesophageal extrusa from grazing sheep
Grass and Forage Science, 1978AbstractExtrusa samples were collected from two groups of oesophageally fistulated sheep grazing together. One group had foam plastic oesophageal plugs fitted below the fistula to assist in the complete collection of extrusa; the second group grazed without plugs.
B. A. HAMILTON, G. D. DENNEY
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Agronomy Journal, 1989
AbstractDiet selection and mastication by cattle (Bos taurus L.) can be examined using extrusa from esophageal fistulas. Experiments were conducted to investigate the use of an esophageal plug and the influence of a 16‐h fast, prior to collection, on the particle size distribution and quality of masticated forage.
K R Pond, D S Fisher
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AbstractDiet selection and mastication by cattle (Bos taurus L.) can be examined using extrusa from esophageal fistulas. Experiments were conducted to investigate the use of an esophageal plug and the influence of a 16‐h fast, prior to collection, on the particle size distribution and quality of masticated forage.
K R Pond, D S Fisher
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Grass and Forage Science, 1975
ABSTRACTThe botanical composition of extrusa collected from oesophageally fistulated sheep fed diets of known proportions of a legume and a grass was estimated by manual separation and a microscope point technique. The microscope hits were adjusted for the weight per unit area of each plant component in order to estimate composition by weight.
D. G. Hall, B. A. Hamilton
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ABSTRACTThe botanical composition of extrusa collected from oesophageally fistulated sheep fed diets of known proportions of a legume and a grass was estimated by manual separation and a microscope point technique. The microscope hits were adjusted for the weight per unit area of each plant component in order to estimate composition by weight.
D. G. Hall, B. A. Hamilton
exaly +2 more sources
Grass and Forage Science, 1975
ABSTRACTExtras samples were collected from ocsophageally fistulated sheep that had been fed mixtures of known proportions of a legume and a grass. The botanical composition of these samples was estimated by two microscope point techniques. When estimates were made by recording hits on each species the legume content of the ingesta was consistently ...
B. A. Hamilton, D. G. Hall
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ABSTRACTExtras samples were collected from ocsophageally fistulated sheep that had been fed mixtures of known proportions of a legume and a grass. The botanical composition of these samples was estimated by two microscope point techniques. When estimates were made by recording hits on each species the legume content of the ingesta was consistently ...
B. A. Hamilton, D. G. Hall
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Australian Journal of Experimental Agriculture, 1987
The legume content of the diet of groups of resident cattle (LDR) continuously grazing a number of grass-stylo pastures was determined by the faecal carbon isotope ratio (ä13C) technique on various occasions. At the same time the pastures were sampled by non-resident steers fistulated at the oesophagus (OF steers) and the legume content of their ...
DB Coates, P Schachenmann, RJ Jones
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The legume content of the diet of groups of resident cattle (LDR) continuously grazing a number of grass-stylo pastures was determined by the faecal carbon isotope ratio (ä13C) technique on various occasions. At the same time the pastures were sampled by non-resident steers fistulated at the oesophagus (OF steers) and the legume content of their ...
DB Coates, P Schachenmann, RJ Jones
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The Journal of Agricultural Science, 1989
SUMMARYThe C3 and C4 plant components in extrusa samples from oesophageally fistulated cattle can be estimated by δ13Canalysis. However, contamination with saliva containing bicarbonates could cause bias in the estimation of the C3 or C4 components. Saliva from animals fed C4 and C3 diets had δ13C values of – 4.37/103 and –15.97/103, respectively. Both
R. J. Jones, R. P. Lefeuvre
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SUMMARYThe C3 and C4 plant components in extrusa samples from oesophageally fistulated cattle can be estimated by δ13Canalysis. However, contamination with saliva containing bicarbonates could cause bias in the estimation of the C3 or C4 components. Saliva from animals fed C4 and C3 diets had δ13C values of – 4.37/103 and –15.97/103, respectively. Both
R. J. Jones, R. P. Lefeuvre
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Canadian Journal of Animal Science, 2004
The effects of suppression of annual bromes (Bromus japonicus Thunb. and Bromus tectorum L.) by atrazine application on the nutritive quality of extrusa diet samples (EDS) collected from the esophagus were investigated, and EDS quality estimates were compared with weight gain of grazing steers.
M. Blümmel +2 more
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The effects of suppression of annual bromes (Bromus japonicus Thunb. and Bromus tectorum L.) by atrazine application on the nutritive quality of extrusa diet samples (EDS) collected from the esophagus were investigated, and EDS quality estimates were compared with weight gain of grazing steers.
M. Blümmel +2 more
exaly +2 more sources
Estimation of the proportions of grass and legume in extrusa of esophageallly-fistulated animals
2020Three studies were conducted to evaluate a method for estimating grass and legume fractions in extrusa samples from esophageally-fistulated animals, based on different concentrations of neutral detergent fiber (NDF), Ca and lignin in grasses and legumes. In experiment 1, NDF, Ca and lignin concentrations were measured in mixtures of six combinations of
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