Report, Volumen27U.S. Government Printing Office, 1912 |
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Página 128
... cells as they reach ma- turity , while others hold with Weismann that if there is such a thing as telegony some of the unused germ plasm of the first mate penetrates the immature ova and eventually takes part in controlling the ...
... cells as they reach ma- turity , while others hold with Weismann that if there is such a thing as telegony some of the unused germ plasm of the first mate penetrates the immature ova and eventually takes part in controlling the ...
Página 134
... cells in the ovaries vary with the condition of the in- dividual in which they are lodged . For example , when 100 ewes are well fed during and for some weeks before tupping time , 200 lambs may be expected - that is , about 50 more ...
... cells in the ovaries vary with the condition of the in- dividual in which they are lodged . For example , when 100 ewes are well fed during and for some weeks before tupping time , 200 lambs may be expected - that is , about 50 more ...
Página 135
... cells are neither infected by unused germ cells of the first sire nor by protoplasmic masses from the fetus reaching the ova through the blood of the mother . On the other hand I am assured that in both the Old World and the New , even ...
... cells are neither infected by unused germ cells of the first sire nor by protoplasmic masses from the fetus reaching the ova through the blood of the mother . On the other hand I am assured that in both the Old World and the New , even ...
Página 137
... cells of the male can be infected by his mate , and it has not been suggested that they are modified by mental impressions . As , however , experi- ments afford no support to this superstition , there is no need to discuss how a male ...
... cells of the male can be infected by his mate , and it has not been suggested that they are modified by mental impressions . As , however , experi- ments afford no support to this superstition , there is no need to discuss how a male ...
Página 149
... cell of the same kind . Thus the body is as it were an offshoot from the germ cell . As far as inheritance is concerned the body is merely the carrier of the germ cells which are held in trust for coming generations . That the offspring ...
... cell of the same kind . Thus the body is as it were an offshoot from the germ cell . As far as inheritance is concerned the body is merely the carrier of the germ cells which are held in trust for coming generations . That the offspring ...
Términos y frases comunes
abattoir Animal Industry Anthrax Army arsenic trioxid arsenical dips average bacilli bison blood Bos primigenius breeders breeds Bureau of Animal butter buttermilk calves carcass cattle cause cells cent color counties cream creamery Dairy Division Department of Agriculture disease disinfected District of Columbia effect efferent efferent vessels eggs engorged Equus Equus sivalensis experiments feeding fiscal fluke Foot-and-mouth disease glanders herds hog cholera Honduras horns horses immunity important infection inoculation inspector interstate intestines investigations known large number larvæ lesions live stock liver longifrons lymph glands mallein mares ment method milk obtained outbreaks Ovis parasite pasteurized ponies portion pounds quarantine quarantined area race remounts Secretary of Agriculture serum sheep scab Shorthorn South species stallions Station swine tail telegony temperature Texas fever tion tissue trypanosomes tubercle tubercle bacilli tuberculin test tuberculosis United urus vaccination vessels veterinarian wild worm
Pasajes populares
Página 395 - ... (Gypsum). I detected it in the form of an opaque white substance without lustre, and, to the naked eye, devoid of crystalline structure, in cakes and somewhat rounded masses varying in size from that of a small pea to that of a...
Página 530 - That rule 5 of the regulations for the inspection and quarantine of horses, cattle, sheep, and other ruminants, and swine, issued under date of December 28, 1899, BAI Order No.
Página 538 - Okla. ; and at such other points as may from time to time be authorized by the Secretary of Agriculture, provided such pens and the platforms, chutes, and alleyways leading thereto...
Página 524 - BUREAU OF ANIMAL INDUSTRY. The Bureau of Animal Industry has charge of the work of the department relating to the live-stock industry. In general it deals with the investigation, control, and eradication of diseases of animals, the inspection and quarantine of live stock, the inspection of meat and meat food products, and with animal husbandry and dairying.
Página 2 - Extra copies of documents and reports shall be printed promptly when the same shall be ready for publication, and shall be bound in paper or cloth, as directed by the Joint Committee on Printing, and shall be the numlier following, in addition to the usual number.
Página 545 - Regulations for the Inspection and Quarantine of Horses, Cattle, Sheep, and Other Ruminants, and Swine Imported into the United States.
Página 550 - Horses, mules, asses, cattle, sheep, and other domestic animals straying across the boundary line into any foreign country, or driven across such boundary line by the owner for temporary pasturage purposes only, together with their offspring...
Página 550 - That certificate of such record and of the pedigree of such animal shall be produced and submitted to the customs officer, duly authenticated by the proper custodian of such book of record, together with the affidavit of the owner, agent, or importer that such animal is the identical animal described in said certificate of record and pedigree...
Página 553 - Columbia shall designate or request the Chief of the Bureau of Animal Industry to designate an appraiser, who shall appraise each animal within five days prior to the date of slaughter, basing the amount upon the class and market value of the animal at the time of the appraisal, whether for breeding purposes or for meat or milk production. Animals reacting to the tuberculin test but not exhibiting any physical evidence of tuberculosis shall be appraised without considering the presence of a diseased...
Página 550 - Provided, That no such animal shall be admitted free unless pure bred of a recognized breed, and duly registered in the book of record established for that breed...