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Full-Text Articles in Life Sciences
Determining The Sex Of Day-Old Chicks, H. E. Alder
Determining The Sex Of Day-Old Chicks, H. E. Alder
Nebraska Agricultural Experiment Station: Historical Circulars
More than 2,000 years ago people were interested in determining the sex of the embryo in hatching eggs and the sex of day-old chicks. No method of determining the sex of day-old chicks (except of course in sex-linked chicks) was of the slightest value until the Japanese method was discovered and developed. About 1925 Japanese scientists discovered the presence of a rudimentary copulatory organ located on the ventral rim of the cloaca which was present in all day-old males and only a few day-old females.
Determining The Sex Of Day Old Chicks, H. E. Alder
Determining The Sex Of Day Old Chicks, H. E. Alder
Nebraska Agricultural Experiment Station: Historical Circulars
More than 2,000 years ago people were interested in determining the sex of the embryo in hatching eggs and the sex of day-old chicks. No method of determining the sex of day-old chicks (except of course in sex-linked chicks) was of the slightest value until the Japanese method was discovered and developed. About 1925 Japanese scientists discovered the presence of a rudimentary copulatory organ located on the ventral rim of the cloaca which was present in all day-old males and only a few day-old females.
Outline Of Object And Plan Of The Nebraska National Egg Laying Contest, Nebraska Agricultural Experiment Station
Outline Of Object And Plan Of The Nebraska National Egg Laying Contest, Nebraska Agricultural Experiment Station
Nebraska Agricultural Experiment Station: Historical Circulars
To promote the breeding of high laying strains of standard-bred poultry is the primary purpose of the Nebraska National Egg Laying and Breeding Contest. Data on the cost of egg production and on the problems of poultry breeding will also be secured.