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Abstract

Over a long period, White Leghorn (W.L.), Barred Plymouth Rock (B.P.R.) and crossbred hens were repeatedly inseminated with semen from W.L., B.P.R. and White Cornish (W.C.) ♂♂. Egg fertility declined as the period of artificial breeding increased, particularly with W.C. ♂♂. Sperm agglutinin titre...

Author(s)
ITAGAKI, K.; TSUBOKURA, M.; INOMATA, R.; NAKANO, S.
Citation
Japanese Poultry Science, 1966, 3, pp 1-4
Abstract

White Leghorn and New Hampshire virgin pullets were naturally mated or artificially inseminated for a 3-wk. period. The number of pullets showing blood serum agglutination titres against spermatozoa was greater after mating than before. Birds which had an egg fertility > 90% throughout the year had ...

Author(s)
SAEKI, Y.; MIYAUCHI, S.; ABE, T.; HOSODA, T.; AKITA, T.
Citation
Japanese Poultry Science, 1965, 2, pp 109-114
Abstract

IN the spring of 1948 two silver pheasant hens were inseminated with sperm from a Polish Greenleg cock. Of 27 eggs laid after the inseminations, 2 were broken accidentally. From the remaining 25 eggs, 8 embryos died in the early stages of development, one died on the 6th day, and one on the 10th...

Author(s)
MARCHLEWSKI, J. H.
Publisher
Cl. Sci. math. nat.,
Citation
Bulletin International de l'Academie Polonaise des Sciences et des Lettres. Classe des Sciences Mathematiques et Naturelles. Serie B: Sciences Naturelles II, 1950, B II, pp 231-240
Abstract

Two silver pheasant hens, inseminated with sperm of a Polish Greenleg ♂, laid 27 eggs. Two eggs were accidentally broken, and 10 embryos died before the 10th day of development.
One hybrid ♀ hatched on the 21st day of incubation and was reared. Its colour and plumage is intermediate between that of ...

Author(s)
MARCHLEWSKI, M. J. H.
Citation
World's Poultry Science Journal, 1950, 6, pp 91
Abstract

ABPLANALP, H. Inbreeding for genetic improvement of poultry: 1777.
ANDRADE, A. N., and CARSON, J. R. Methods of debeaking and future performance of S.C.W.L. pullets: 1778.
ATKINSON, R. L., BRADLEY, J. W., and QUISENBERRY, J. H. Delaying sexual maturity of turkey hens by use of drugs: 1780.
BAKER,...

Citation
Poultry Science, 1969, 48, pp 1777-1894
Abstract

THIS experiment was designed to ascertain the relationship between fertility and hatchability. Sixteen young White Leghorn pullets and 22 hens, both old and young, from heavy breeds were employed. They were kept in laying-batteries and were artificially inseminated with fresh semen by means of...

Author(s)
VAN DRIMMELEN, G. C.
Citation
South African Science, 1948, 1, pp 187-189
Abstract

ADAMS, J. L., and OWINOS, W. J. The performance of laying chickens housed at various densities on litter floors: 1298.
ADAMS, R. L., ANDREWS, F. N., and ROGLER, J. C. The effects of environmental temperature on the protein requirement and response to energy in slow and fast growing chicks: 1298.
...

Citation
Poultry Science, 1964, 43, pp 1297-1379
Abstract

Abbott, U. K. Gene, genotype and environment: 1368. Abplanalp, H., Leu, R. E., and Johnson, E. A. Second year performance in the 11th California Random Sample Egg Laying Test following artificial moulting: 1368. Abplanalp, H., and Marrou, L. F. Genotype-environment interactions in field tests of...

Citation
Poultry Science, 1961, 40, pp 1368-1474
Abstract

EGGS of White Leghorn hens and pullets and New Hampshire hens collected up to 40 days after removal of the ♂♂ were set daily, warmed daily to 100° F. for 1 hr., or held 1 wk. at 55°-60° F. until setting. In a 2nd experiment with W.L. pullets daily setting was eliminated. The last fertile eggs for...

Author(s)
NALBANDOV, A.; CARD, L. E.
Citation
Poultry Science, 1943, 22, pp 218-226
Abstract

MIXED semen from 30 White Leghorn cocks was used to inseminate 257 hens, either undiluted or diluted with Ringer's solution to give sperm concentrations of 30%, 10%, and 2%. The 10% concentration gave as good results as, and the 30% concentration better results than undiluted sperm, while 2% sperm...

Author(s)
BONNIER, G.; TRULSSON, S.
Publisher
Cleveland,
Citation
Proceedings of the 7th World's Poultry Congress, Cleveland, Ohio, 1939, 1939, pp 76-79

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