House of Commons Papers, Nide 8H.M. Stationery Office, 1961 |
Kirjan sisältä
Tulokset 1 - 3 kokonaismäärästä 96
Sivu 21
... birds. Fowls in the incubative and early clinical or sub-clinical stage of the disease are a most potent cause of spread as they begin to excrete virus 2-4 days ... birds. Masked infection 59. A bird may excrete virus while showing 21.
... birds. Fowls in the incubative and early clinical or sub-clinical stage of the disease are a most potent cause of spread as they begin to excrete virus 2-4 days ... birds. Masked infection 59. A bird may excrete virus while showing 21.
Sivu 32
... birds as well as by individual application. The effect of the vaccine on young chickens appears slightly greater than that of B.I vaccine and the ability of Strain F vaccine to spread from the vaccinated birds to others is also slightly ...
... birds as well as by individual application. The effect of the vaccine on young chickens appears slightly greater than that of B.I vaccine and the ability of Strain F vaccine to spread from the vaccinated birds to others is also slightly ...
Sivu 33
... birds and in the case of a laying flock which has subsequently been exposed to infection it can prevent any drop in egg production. Another feature of this live vaccine is its freedom from many possible contaminants as it is not grown ...
... birds and in the case of a laying flock which has subsequently been exposed to infection it can prevent any drop in egg production. Another feature of this live vaccine is its freedom from many possible contaminants as it is not grown ...
Sisältö
ANNUAL REPORT SECTION Page I Constitution Functions and Administration | 1 |
England | 2 |
Wales | 4 |
30 muita osia ei näytetty
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Yleiset termit ja lausekkeet
Account acres Agricultural Research Agricultural Research Council aircraft airlines Airways amount APPENDIX applications assistance average Aviation B.SC BEA's birds BOAC BOAC's Board breeding Britain British BRITISH EUROPEAN AIRWAYS broiler cent centres Chairman chicks Committee continued Corporation Corporation's cost Council Crofters Scotland crops D.SC Department Depreciation Dounreay eelworm effect eggs ended 31st March equipment expenditure Farm flocks fowl grant important improvement increase infection insecticides investigation Kuwait Airways Laboratory land licence live vaccines load factor London loss Macaulay Institute Marketing Scheme ment methods Milk million Ministry Ministry of Aviation National neutron Newcastle disease Officer operations organisation outbreaks passenger payments pension pests PH.D plant potatoes poultry production profit programme reactor reduced Report Research Institute revenue Rothamsted routes Scotland Scottish scrapie slaughter soil staff Station traffic United United Kingdom uranium dioxide veterinary virus