Comparison of Low Alkaloid Tall Fescues and Orchardgrass for Lactating Jersey Cows
نویسندگان
چکیده
منابع مشابه
Animal performance and economic comparison of novel and toxic endophyte tall fescues to cool-season annuals.
Increased costs of annual establishment of small grain pasture associated with fuel, machinery, and labor are eroding the profitability of stocker cattle enterprises. Interest has therefore increased in development of cool-season perennial grasses that are persistent and high quality. This study occurred on 24 ha (divided into thirty 0.81-ha paddocks) located at the University of Arkansas Divis...
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چکیده ندارد.
15 صفحه اولCASE STUDY: Performance of Lactating Jersey and Jersey- Holstein Crossbred Versus Holstein Cows in a Wisconsin Confinement Dairy Herd
The objective of this trial was to measure performance of paired pens of lactating Jersey and Jersey-Holstein crossbred (JX) vs. Holstein (H) cows over a year in a Wisconsin confinement dairy herd. Average daily milk yield of JX was 5.5 kg/ cow less than H, whereas average milk fat and true protein percentages were 0.61 (4.26 vs. 3.65%) and 0.19 (3.05 vs. 2.86%) percentage units, respectively, ...
متن کاملDistribution and metabolism of trans- and cis-permethrin in lactating Jersey cows.
Radiocarbon from I4C-acidand 14C-alcohol-labeled preparations of transand cis-permethrin administered orally to lactating Jersey cows for three consecutive days at 1.0 mg/kg is largely eliminated from the body within 12 or 13 days after the initial treatment. Milk and fat residues, although relatively low, are higher with cisthan with trans-permethrin and consist almost entirely of unmetabolize...
متن کاملImpact of endophytic fungi on seed and seedling characteristics in tall and meadow fescues
Tall fescue and meadow fescue are naturally infected with fungal endophytes, Neotyphodiumcoenophialum and Neotyphodium uncinatum, respectively. Seed traits are an important measureof the effects of the endophytic fungi which has been less addressed. In this study we usedendophyte-infected (EI) and endophyte-free (EF) clones of tall and meadow fescue genotypes inthe field to investigate the effe...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1986
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(86)80539-2