Zobrazeno 1 - 10 of 74 pro vyhledávání: '"D.M. Seath"'
1
Interrelationships between Site of Deposition, Dosage, and Number of Spermatozoa in Diluted Semen and Fertility of Dairy Cows Inseminated Artificially
Autor: D.M. Seath, Durward Olds, H.L. Lucas, M.C. Carpenter
Publikováno v: Journal of Dairy Science. 36:1031-1035
Summary Inseminators in 16 artificial breeding locals participated for 4 months in a study of the effect on fertility of dosage, site of deposition, and concentration of spermatozoa in diluted semen. Four sites of deposition were used: (a) half-way t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4118d537890e5c905fd825b3f9b18cd5
https://doi.org/10.3168/jds.s0022-0302(53)91594-x
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2
Effect of Hay Feeding in Summer on Milk Production and Grazing Performance of Dairy Cows
Autor: G.D. Miller, D.M. Seath
Publikováno v: Journal of Dairy Science. 30:921-926
Summary 1. Two double-reversal trials involving four groups of five cows each were conducted simultaneously over a period of three 20-day periods. The effect of feeding limited and full feedings of hay to cows at midday while they were in the shade w
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::90da65eb4b32ea5902488a124f556012
https://doi.org/10.3168/jds.s0022-0302(47)92419-3
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3
Urea Utilization by Young Dairy Calves as Affected by Chlortetracycline Supplementation
Autor: D.M. Seath, J.W. Rust, D.R. Jacobson, L.D. Brown, J.P. Everett
Publikováno v: Journal of Dairy Science. 43:1313-1321
Summary Forty-eight two-day-old male and female calves representing the Holstein and Jersey breeds were raised to 86 days of age on a limited milk-hay-starter system to study the effect of chlortetracycline on urea utilization at three levels of prot
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::90e35a22a4b32a19564822d2f69371d8
https://doi.org/10.3168/jds.s0022-0302(60)90318-0
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4
A Comparison of Zero, Moderate, and Liberal Levels of Grain Feeding for Lactating Cows on Permanent, Improved, and Supplemental Pasture
Autor: B.F. Brown, D.R. Dowden, D.M. Seath, D.R. Jacobson
Publikováno v: Journal of Dairy Science. 42:1960-1965
Summary Two grain-feeding trials, involving the continuous employment of 24 and 18 lactating dairy cows, were conducted during the 1956 and 1957 pasture seasons. Three types of pasture were utilized in each of the two seasons. The feeding of a modera
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1501c9468175908037d646cbf28d0062
https://doi.org/10.3168/jds.s0022-0302(59)90839-2
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5
A Comparison of Feeding Ground Corncobs and a Liquid Urea-Molasses-Mineral Mix with and Without Ethyl Alcohol to Yearling Dairy Heifers
Autor: D.R. Jacobson, J.W. Rust, D.M. Seath, J.P. Bates
Publikováno v: Journal of Dairy Science. 43:1820-1825
Summary Twenty dairy heifers, ten Holsteins and ten Jerseys, were divided into two equal groups and were individually fed ad libitum but separately a ration of ground corncobs and a liquid urea-molasses mix with and without ethyl alcohol during a 140
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f82d0f5ff7b685bce7bd819aec7ab997
https://doi.org/10.3168/jds.s0022-0302(60)90419-7
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6
Effect of Delay in Diluting and Cooling on Keeping Quality of Bull Semen
Autor: D.M. Seath, H.W. Anderson
Publikováno v: Journal of Dairy Science. 31:551-555
Summary Forty-two ejaculates from 6 different bulls were used in an experiment to determine if the amount of time required to collect semen and get it to the laboratory before dilution and beginning of cooling would affect the keeping qualities of th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d8fe669b19d549f7dd43bedc4e3cfd4
https://doi.org/10.3168/jds.s0022-0302(48)92241-3
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8
Performance of Dairy Calves Weaned at 24 Days of Age and Fed Vegetable vs. Animal Source Protein in the Dry Starter
Autor: D.R. Jacobson, D.M. Seath, F.E. Pardue, A.P. Graden
Publikováno v: Journal of Dairy Science. 45:986-989
Summary In an experiment utilizing 39, three-day-old Holstein and Jersey calves, results indicate that calves can be weaned successfully from milk at 24 days of age. All calves were coaxed to eat starter prior to weaning, and all made acceptable grow
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::98bda20d7aa0e64066a61b07b6e336ed
https://doi.org/10.3168/jds.s0022-0302(62)89539-3
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