Agricultural Science, Volume 5William Frear, Charles Plumb editor., 1891 - Agriculture Vol. 8 includes "Proceedings of the Brooklyn meeting of the Society for the Promotion of Agricultural Science, August, 1894" and supplement "Organization and membership list of the Society for the Promotion of Agricultural Science" (12 p.) |
Other editions - View all
Common terms and phrases
acid acre agricultural college AGRICULTURAL EXPERIMENT STATION albuminoids ammonia amount analyses animals anthrax average bacillus bacteria bacterium beet Bordeaux mixture Bulletin butter cent Chem clover contained copper copper sulfate corn cows culture dairy digestible matter disease dry matter ensilage entomologist error extract feeding ferment fertilizers Flossie fungus garden germination glanders grain grams grass Grms growth horticulture increase injurious inoculated insect investigation Jour July June larvæ litre maize Maize fodder manure ment method Micr microbe mixture nitrate nitric nitric acid nitrification nitrogen nodules oats observed pasture peas period phosphate phosphoric acid plants plats pockets potatoes produced Prof proteids quantity roots rust salts samples seeded dent soiling crops solution species spores sugar sulfate sulfur sulfuric acid superphosphate swine temperature tests tion tissue veterinary viability wheat yield ΙΟ
Popular passages
Page 223 - I have found to be generally refractory to anthrax on any diet, and the defensive proteid can always be obtained from its spleen and blood serum. With the wild rat this is not the case. In one experiment eight wild rats were used. Of these four were fed on bread and meat, the others on plain bread, for about six weeks. Then one rat of each lot was inoculated with anthrax. Of these the one that had been subjected . to a bread diet succumbed. The remaining rats were killed, and it was found that while...
Page 275 - It seemed more consistent, both with experimental results and with general ideas, to suppose that the nodulebacteria fixed free nitrogen within the plant, and that the higher plant absorbed the nitrogenous compounds produced. In other words, there was no evidence that the chlorophyllous plant itself fixed free nitrogen, or that the fixation takes place within the soil, but it was more probable that the lower organisms fix the free nitrogen. If this should eventually be established, we have to recognize...
Page 275 - ... it would be a further instance of lower organisms serving the higher. Finally, it may here be observed that L,oew has suggested that the vegetable cell, with its active protoplasm, if in an alkaline condition might fix free nitrogen, with the formation of ammonium nitrite. Without passing any judgment on this point, it may be stated that it has frequently been found at...
Page 180 - Reports of Observations and Experiments in the Practical Work of the Division, made under the direction of the Entomologist.
Page 255 - In cases of open suppuration as, for instance, unhealed wounds and carbuncle, the treatment should consist in prolonged antiseptic baths, and in the application of antiseptic powders. (2) If the suppuration be intradermic as in lymphangitis and erysipelas, the application of antiseptic powders will suffice. (3) If the suppuration be deep seated, one must penetrate into the collection in order to evacuate the pus and to sterilize it. Free incisions are useless ; all that is necessary is to let out...
Page 220 - ... for the disease described in the last report as swine-plague, which is produced by a motile bacterium, and applying the name swine-plague to the other disease, the chief seat of which is in the lungs.
Page 279 - cornstalk disease;" but however this may be, it results from his observations and investigations that American cattle are liable to a inicrobic broncho-pneumonia, hitherto unknown in France; and the serious question, therefore, arose as to whether there was any danger to be apprehended from the importation of such animals, a question put to Nocard by the French agricultural administration. From his attentive observation of facts, and the experimental study of the conditions of contagion, he concluded...
Page 278 - Intrapulmonary inoculation was more effective; as a calf of 8 months and a ram of 2 years, inoculated in the right lung with five drops of peritoneal pus from a guineapig, died in less than forty-eight hours with fibrinous pleurisy and exudative bronchopneumonia analogous to that observed at the autopsy of the American cattle; the lesions were extremely rich in bacteria. A curious fact was elicited in these interesting experiments. A calf and two sheep, previously inoculated...
Page 276 - There was no pleurisy,but the interlobular septa of hepatized portions was the seat of a very abundant serous infiltration. Before arriving at any decision as to the nature of the malady, and in view of the serious importance of the case from the number and value of the animals, the two sets of lungs were sent to Alfort to be submitted to Nocard. He reports that at the first glance a section of the hepatized tissue presented the appearance of a recent lesion of contagious pleuropneumonia.
Page 224 - phylaxin " is a defensive proteid which is only found in an animal that has been artificially made immune against a disease, and which, so far as is yet known, only acts on one kind of microbe or on its products. Each of these classes of defensive proteids can obviously be further sub-divided into those that act on the mibrobe itself and those that act on the poisons it generates. The sub-classes I propose to denote by adding the prefixes " myco-" and " toxo-