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Publikováno v:
The Journal of Agricultural Science. 130:115-118
Experiments were carried out at Uhříněves (Czech Republic) in 1996 and 1997 to evaluate the effects of avoparcin, bacitracin, flavomycin, tylosin and virginiamycin on in vitro fermentation of ovine ruminal contents and rabbit caecal contents. In i
Autor:
J. H. Quastel, D. M. Webley
Publikováno v:
The Journal of Agricultural Science. 37:257-266
1. A manometric technique for the assessment of soil aeration, described in a preceding paper by Webley (1947), has been used for comparing the effects of the incorporation into soil of alginic acid (as the ion) and other organic materials on soil ai
Autor:
H. C. Doyne, C. G. T. Morison
Publikováno v:
The Journal of Agricultural Science. 6:97-101
In a previous paper to this Journal by one of us it was observed that if a solution of a ferric salt be placed in contact with peat from which all the ferrous salts had been previously removed by boiling with hydrochloric acid, there was an immediate
Autor:
J. A. F. Rook, J. E. Storry
Publikováno v:
The Journal of Agricultural Science. 61:167-171
1. An artificial diet low in magnesium (0·01–0·02% of the dry matter), and providing about 0·5 g. magnesium daily, was prepared from paper pulp, maize gluten, magnesium-free minerals and vitamins A and D and used in experimental studies with two
Autor:
K. J. Carpenter, J. Duckworth
Publikováno v:
The Journal of Agricultural Science. 41:297-308
1. Chicks from commercial sources were housed intensively and fed on a series of rations containing decorticated extracted groundnut meal as the main supplementary source of protein, with and without additions of animal by-products and aureomycin. Pa
Autor:
A. Blenkinsop
Publikováno v:
The Journal of Agricultural Science. 20:511-516
1. A volumetric method for the determination of sodium which can be separated as a triple salt (uranium zinc sodium acetate) from mixed solutions is described. The reduction of the uranium with titanous chloride, upon which it depends is shown to be