Search Results - "Devries, T J"
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1
Weaning age influences the severity of gastrointestinal microbiome shifts in dairy calves
Published in Scientific reports (15-03-2017)“…Ruminants microbial consortium is responsible for ruminal fermentation, a process which converts fibrous feeds unsuitable for human consumption into desirable…”
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2
Stocking density and feed barrier design affect the feeding and social behavior of dairy cattle
Published in Journal of dairy science (01-01-2006)“…The objectives of this study were to: 1) evaluate how stocking density at the feed bunk affects feeding and social behavior of dairy cows; and 2) determine if…”
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3
Repeated ruminal acidosis challenges in lactating dairy cows at high and low risk for developing acidosis: feed sorting
Published in Journal of dairy science (01-10-2008)“…An experiment was conducted to determine whether the susceptibility of cows to ruminal acidosis influences feed sorting and whether feed sorting changes during…”
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4
Frequency of feed delivery affects the behavior of lactating dairy cows
Published in Journal of dairy science (01-10-2005)“…The objectives of this study were to examine how frequency of feed delivery affects 1) the behavior of group-housed and group-fed dairy cows and 2) the extent…”
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5
Repeated ruminal acidosis challenges in lactating dairy cows at high and low risk for developing acidosis: ruminal pH
Published in Journal of dairy science (01-09-2008)“…The primary objective of this experiment was to determine whether lactating dairy cows that are at high (HR) or low (LR) risk for experiencing ruminal…”
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6
Herd-level association between antimicrobial use and antimicrobial resistance in bovine mastitis Staphylococcus aureus isolates on Canadian dairy farms
Published in Journal of dairy science (01-04-2012)“…Surveillance of antimicrobial use and resistance is needed to manage antimicrobial resistance in bacteria. In this study, data were collected on antimicrobial…”
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7
Repeated ruminal acidosis challenges in lactating dairy cows at high and low risk for developing acidosis: feeding, ruminating, and lying behavior
Published in Journal of dairy science (01-10-2009)“…An experiment was conducted to determine whether the susceptibility to ruminal acidosis, as defined through differences in days in milk (DIM), milk production…”
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8
Adding liquid feed to a total mixed ration reduces feed sorting behavior and improves productivity of lactating dairy cows
Published in Journal of dairy science (01-05-2012)“…This study was designed to determine the effect of adding a molasses-based liquid feed (LF) supplement to a total mixed ration (TMR) on the feed sorting…”
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9
The National Cohort of Dairy Farms--a data collection platform for mastitis research in Canada
Published in Journal of dairy science (01-03-2011)“…Costs and feasibility of extensive sample collection and processing are major obstacles to mastitis epidemiology research. Studies are often consequentially…”
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10
Effect of feeding space on the inter-cow distance, aggression, and feeding behavior of free-stall housed lactating dairy cows
Published in Journal of dairy science (01-05-2004)“…The objectives of this study were to determine whether doubling the amount of feeding space from 0.5 to 1.0 m per cow leads to increased spacing between cows…”
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11
Associations of dairy cow behavior, barn hygiene, cow hygiene, and risk of elevated somatic cell count
Published in Journal of dairy science (01-10-2012)“…Poor dairy cow hygiene has been consistently associated with elevated somatic cell count (SCC) and the risk of subclinical mastitis. The objective of this…”
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12
Manageable risk factors associated with the lactational incidence, elimination, and prevalence of Staphylococcus aureus intramammary infections in dairy cows
Published in Journal of dairy science (01-03-2012)“…Staphylococcus aureus intramammary infections (IMI) are a major cause of mastitis on farms worldwide. Incidence and elimination rates are the key determinants…”
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13
Effect of early feed type exposure on diet-selection behavior of dairy calves
Published in Journal of dairy science (01-01-2011)“…Dairy cattle exhibit characteristic feeding behavior patterns that may be influenced by early experiences. The objective of this study was to determine how…”
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14
Time of feed delivery affects the feeding and lying patterns of dairy cows
Published in Journal of dairy science (01-02-2005)“…The objective of this experiment was to determine whether it is the return from milking or delivery of fresh feed that has the greater effect on the daily…”
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15
Short communication: Varying dietary dry matter concentration through water addition: effect on nutrient intake and sorting of dairy cows in late lactation
Published in Journal of dairy science (01-02-2012)“…The objective of this study was to determine if feed sorting can be reduced and if nutrient consumption can be limited in late-lactation cows through water…”
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16
Effect of parity and stage of lactation on feed sorting behavior of lactating dairy cows
Published in Journal of dairy science (01-08-2011)“…The objectives of this study were to determine if feed sorting differs between primiparous (PP) and multiparous (MP) cows, if sorting changes from the period…”
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17
Effect of water addition to a total mixed ration on feed temperature, feed intake, sorting behavior, and milk production of dairy cows
Published in Journal of dairy science (01-06-2010)“…The objective of this study was to determine the effects of water addition to a high-moisture total mixed ration (TMR) on feed temperature, feed intake, feed…”
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18
Short communication: Feeding method affects the feeding behavior of growing dairy heifers
Published in Journal of dairy science (01-03-2009)“…There is limited information available on what is the most appropriate feeding method for growing dairy heifers. The objective of this study was to determine…”
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19
Effect of dietary dry matter concentration on the sorting behavior of lactating dairy cows fed a total mixed ration
Published in Journal of dairy science (01-07-2009)“…The objective of this study was to determine whether addition of water to a high-moisture total mixed ration reduces feed sorting by dairy cattle. Twelve…”
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20
Short communication: The effects of experimentally induced Escherichia coli clinical mastitis on lying behavior of dairy cows
Published in Journal of dairy science (01-05-2012)“…Clinical mastitis is a commonly occurring and economically important problem in the dairy industry. Researchers have suggested that changes in lying behavior…”
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