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DNA sequence of a Fibrobacter succinogenes mixed-linkage beta-glucanase (1,3-1,4-beta-D-glucan 4-glucanohydrolase) gene

Autor: R M Teather, J D Erfle

Publikováno v: Journal of Bacteriology. 172:3837-3841

The DNA sequence of a mixed-linkage beta-glucanase (1,3-1,4-beta-D-glucan 4-glucanohydrolase [EC 3.2.1.73]) gene from Fibrobacter succinogenes cloned in Escherichia coli was determined. The general features of this gene are very similar to the consen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2240609d2399b5f35d81bd6370005625
https://doi.org/10.1128/jb.172.7.3837-3841.1990

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DAY-TO-DAY VARIATIONS IN FAT PERCENT OF COW'S MILK

Autor: J. D. Erfle, A. S. Atwal

Publikováno v: Canadian Journal of Animal Science. 70:731-734

Large day-to-day variations in milk fat, particularly for the morning milkings, were observed in 36 Holstein cows. Changes in percent fat were gradual and produced wavelike patterns in a number of instances. Supplemental feeding of long hay had no ef

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f4dd601f00a3d0ef09793cf991d42f7b
https://doi.org/10.4141/cjas90-090

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Isolation and properties of a (1,3)-beta-D-glucanase from Ruminococcus flavefaciens

Autor: J D Erfle, R M Teather

Publikováno v: Applied and environmental microbiology. 57(1)

A (1,3)-beta-D-glucanase [(1,3)-beta-D-glucan-3-glucanohydrolase] from Ruminococcus flavefaciens grown on milled filter paper was purified 3,700-fold (19% yield) and appeared as a single major protein and activity band upon polyacrylamide gel electro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9dce021525581c96bb80b963a313ad25
https://pubmed.ncbi.nlm.nih.gov/1903625

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EVALUATION OF THE TWO-STAGE TECHNIQUE FOR THE IN VITRO ESTIMATION OF THE DRY MATTER DIGESTIBILITY OF CORN SILAGE

Autor: F. D. Sauer, R. J. Boila, J. D. Erfle

Publikováno v: Canadian Journal of Animal Science. 60:367-378

The two-stage Tilley and Terry technique (incubation with rumen fluid followed by an acid-pepsin digest), used to estimate dry matter (DM) digestibility of forages in vitro, was evaluated with oven-dried corn silage as a substrate. The effect of weig

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::887e49b30ea0c2eb1084c74e0b3c3b71
https://doi.org/10.4141/cjas80-046

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COMPARISON OF WILTED-ALFALFA SILAGE AND ALFALFA HAY PRESERVED WITH PROPIONIC ACID IN CORN-SILAGE-BASED DIETS FOR MILKING COWS

Autor: J. D. Erfle, A. S. Atwal

Publikováno v: Canadian Journal of Animal Science. 68:801-809

Thirty cows (9 uniparous and 21 multiparous) were fed three diets during weeks 5–16 of lactation. The dietary ingredients were adjusted weekly to reflect their oven dry matter (DM). The control diet was a low-fiber diet containing urea-treated corn

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::472941003efb7e37e36f1ffa034fda43
https://doi.org/10.4141/cjas88-089

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INTERRELATIONSHIPS BETWEEN BLOOD METABOLITES AND AN EVALUATION OF THEIR USE AS CRITERIA OF ENERGY STATUS OF COWS IN EARLY LACTATION

Autor: J. D. Erfle, F. D. Sauer, L. J. Fisher

Publikováno v: Canadian Journal of Animal Science. 54:293-303

Correlation and regression coefficients were calculated for blood metabolites, milk components, energy balance and efficiency of energy utilization for a total of 120 cows. The animals were on propylene glycol and glycerol feeding experiments, and co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a242d42e7d6333fea68b71659bb5a6e
https://doi.org/10.4141/cjas74-041

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EFFECTS OF STORAGE CONDITIONS FOR LARGE ROUND BALES ON RECOVERY AND QUALITY OF ALFALFA HAY

Autor: J. D. Erfle, F. D. Sauer, A. S. Atwal

Publikováno v: Canadian Journal of Animal Science. 64:487-490

Weathering and mold growth in alfalfa (Medicago sativa L.) hay stored at 20% moisture in large round bales was extensive. The losses of dry matter were 9, 40 and 30%, respectively, for hay stored inside, outside and partially protected. Prolonged sto

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2ae0bd3b36ceb6c4c1279d3aa048dd92
https://doi.org/10.4141/cjas84-055

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THE EFFECTS OF INTRAVENOUS INFUSION OF LYSINE, LYSINE PLUS METHIONINE OR CARNITINE ON PLASMA AMINO ACIDS AND MILK PRODUCTION OF DAIRY COWS

Autor: J. D. Erfle, L. J. Fisher

Publikováno v: Canadian Journal of Animal Science. 57:101-109

Four lactating Holstein cows were each infused intravenously for periods of up to 9 days with solutions of L-lysine (15 g/day), L-lysine plus D,L-methionine (15 + 10 g/day) D,L-carnitine (20 g/day) or physiological saline. The cows were fed a ration

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::efc7aedbf0605f69f5e9292954c0cb37
https://doi.org/10.4141/cjas77-012

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