Zobrazeno 1 - 10
of 173
pro vyhledávání: '"B.A. Dehority"'
Autor:
M.S. Morales, B.A. Dehority
Publikováno v:
Animal, Vol 8, Iss 9, Pp 1427-1432 (2014)
Information available on the role of Mg for growth and cellulose degradation by rumen bacteria is both limited and inconsistent. In this study, the Mg requirements for two strains each of the cellulolytic rumen species Fibrobacter succinogenes (A3c a
Externí odkaz:
https://doaj.org/article/a7c90e7dfa46433997fdf09a1854e0b8
Autor:
B.A. Dehority
The only rumen protozoa lab guide featuring line drawings created by a leading scientist in the fieldLaboratory Manual for Classification and Morphology of Rumen Ciliate Protozoa is a unique lab guide for learning how to count and identify rumen prot
Autor:
Nestor E Obispo, B.A Dehority
Publikováno v:
Journal of Microbiological Methods. 16:259-270
A most probable number (MPN) method was adapted for enumeration of rumen fungi by adding the antibiotics penicillin and streptomycin to the medium to inhibit bacterial growth. The validity of the assay was verified using a fungicide, cycloheximide, a
Autor:
C.F. Helmboldt, A.P. Grifo, H.D. Eaton, D.G. Hazzard, J.E. Rousseau, B.A. Dehority, D.G. Gosslee
Publikováno v:
Journal of Dairy Science. 43:1809-1819
Summary Thirty-two Holstein male calves, approximately 63 days of age, were fed a vitamin A depletion ration at an intake to provide an anticipated seven-day increase in live weight of 10lb. until partially depleted of their vitamin A stores. When th
Autor:
D.G. Gosslee, B.A. Dehority, A.P. Grifo, E. L. Jungherr, C.F. Helmboldt, H.D. Eaton, J.E. Rousseau, D.G. Hazzard
Publikováno v:
Journal of Dairy Science. 43:630-644
Summary Sixteen male Holstein calves previously raised to 63 days of age on a limited whole milk, limited starter, and ad libitum chopped alfalfa hay ration were fed a vitamin A depletion ration until their plasma vitamin A averaged 8.3 ± 2.2 γ per
Publikováno v:
Journal of Dairy Science. 47:793-797
The incorporation of urea nitrogen into protein and other nitrogenous compounds by mixed cultures of rumen bacteria grown on cellulose was studied in vitro, using trichloroacetic acid (TCA) and tungstic acid (TA) as protein precipitants. Tungstic aci
Autor:
G.S. Myers, D.G. Gosslee, C.F. Helmboldt, A.P. Grifo, H.D. Eaton, R. Teichman, E. L. Jungherr, Martha W. Dicks, B.A. Dehority
Publikováno v:
Journal of Dairy Science. 42:642-650
Summary Twelve Guernsey and 12 Holstein male calves whose average age was 83±10 days and which were partially depleted of their vitamin A stores to an average plasma vitamin A level of 7.8±2.5 γ per 100ml., were fed daily one of four levels, 30, 6
Publikováno v:
Journal of Dairy Science. 44:1061-1072
Summary Gamma- or alpha-tocopherol was fed in a milk replacer at two levels, 1.0 and 3.0mg. per pound of live weight per day, to 12 Holstein male (22±2 days old) calves for a 14-day period. Based on total tocopherol analyses, gamma-tocopherol was fo
Autor:
B.A. Dehority
Publikováno v:
Journal of Dairy Science. 46:217-222
Autor:
B.A. Dehority
Publikováno v:
Journal of Dairy Science. 42:872-874