Zobrazeno 1 - 10 of 12 pro vyhledávání: '"H. E. Kidder"'
2
Embryonic Mortality Between 16 and 34 Days Post-Breeding in Cows of Low Fertility
Autor: J.N. Wiltbank, H. E. Kidder, L. E. Casida, H.W. Hawk
Publikováno v: Journal of Dairy Science. 38:673-676
Summary A study was made to determine the percentage of repeat-breeder cows with normal embryos at 16 elapsed days of gestation and the embryonic death rate between 16 and 34 elapsed days. Apparently normal embryos were recovered from the uteri of 29
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b2ba15423e93e9365b7bcdbba582090a
https://doi.org/10.3168/jds.s0022-0302(55)95023-2
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3
Effect of Progesterone Therapy on Embryo Survival in Cows of Lowered Fertility
Autor: J.N. Wiltbank, L.C. Ulberg, L. E. Casida, H.W. Hawk, Black Wg, H. E. Kidder
Publikováno v: Journal of Dairy Science. 39:456-461
Summary Sixteen repeat breeder cows out of 36 (44.4%) that were injected with 50 mg. of progesterone per day beginning 3 days after heat had normal embryos at 34 days as compared with 12 (33.3%) in an equal number of uninjected control animals. Thirt
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4e0788a82fdb84ee94cad613754819e8
https://doi.org/10.3168/jds.s0022-0302(56)94769-5
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4
Fertilization Rates and Embryonic Death Rates in Cows Bred to Bulls of Different Levels of Fertility
Autor: L.E. Casida, Black Wg, L.C. Ulberg, H. E. Kidder, J.N. Wiltbank
Publikováno v: Journal of Dairy Science. 37:691-697
Summary Holstein and Guernsey bulls of different nonreturn rates in artificial insemination have been compared to determine their fertilization rates and to estimate their embryonic death rates. The 64 bulls for which fertilization tests were made on
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::197172d59f5f5077b780cd374d9cfb05
https://doi.org/10.3168/jds.s0022-0302(54)91314-4
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5
Face Fly Control Studies in West Virginia in 1960 and 19611
Autor: H. E. Kidder, C. J. Cunningham, C. K. Dorsey
Publikováno v: Journal of Economic Entomology. 55:369-374
In studies to control the face fly ( Musca autumnalis DeGeer) involving the use of spray, dust, and smear-type formulations applied to the faces of cattle in West Virginia during 1960 and 1961, applications of sprays were ineffective in general. Howe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::90b0f7fc8fc934a46b1654e89e362154
https://doi.org/10.1093/jee/55.3.369
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6
A Study of Ovulations in Six Families of Holstein-Friesians
Autor: L.E. Casida, G.R. Barrett, H. E. Kidder
Publikováno v: Journal of Dairy Science. 35:436-444
Summary The incidence of multiple ovulations in the Emmons Blaine, Jr. herd of experimental Holstein cows was found to be 13.10 per cent, while the incidence of twinning was 1.92 per cent, a highly significant difference. The incidence of multiple ov
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::be712c6d39a219df1d6da760dbf0d06f
https://doi.org/10.3168/jds.s0022-0302(52)93724-7
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8
More Data on ORI Variables
Autor: F. J. Pedrys, R. B. Saillant, H. E. Kidder
Publikováno v: SAE Technical Paper Series.
The effects of selected fuel additivies, engine operating conditions, and driving modes on ORI have been investigated for the 1975 Ford 400 CID engine. Reduced coolant temperatures significantly lowered ORI. Methanol appears to reduce ORI. Variables
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f61324979b1154d5ac983b8ad5161e82
https://doi.org/10.4271/760196
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