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Articles 31 - 35 of 35
Full-Text Articles in Dairy Science
Free-Stall Dimensions: Effects On Preference And Stall Usage, Cassandra B. Tucker, Daniel M. Weary, David Fraser
Free-Stall Dimensions: Effects On Preference And Stall Usage, Cassandra B. Tucker, Daniel M. Weary, David Fraser
Housing and Confinement of Farm Animals Collection
In 2 experiments, free-stall dimensions were examined to determine how they affected stall preference, usage, cleanliness, and milk production in Holstein dairy cattle. In experiment 1, stall width (112 or 132 cm) and stall length (229 and 274 cm from curb to wall) were compared in a 2 × 2 factorial arrangement of stall treatments using 15 individually housed, non-lactating animals. Cows showed no clear preference for stall size as measured by lying time. When animals had no choice between stalls, average lying time was higher in the wide stalls than in the narrow stalls (10.8 vs. 9.6 ± 0.3 …
Effects Of Three Types Of Free-Stall Surfaces On Preferences And Stall Usage By Dairy Cows, Cassandra B. Tucker, Daniel M. Weary, David Fraser
Effects Of Three Types Of Free-Stall Surfaces On Preferences And Stall Usage By Dairy Cows, Cassandra B. Tucker, Daniel M. Weary, David Fraser
Housing and Confinement of Farm Animals Collection
One important criterion in choosing appropriate housing systems for dairy cattle is that the freestall provides a comfortable surface for the cow. This paper describes two experiments testing the effects of commonly used lying surfaces on stall preference and stall usage by Holstein cows. In both experiments, 12 cows were housed individually in separate pens. Each pen contained three free stalls with a different surface: deep-bedded sawdust, deep-bedded sand, and a geotextile mattress covered with 2 to 3 cm of sawdust. The animals were restricted to each surface in turn, in a random order for either 2 (Experiment 1) or …
Tail Docking Dairy Cattle: Effects On Cow Cleanliness And Udder Health, Cassandra B. Tucker, David Fraser, Daniel M. Weary
Tail Docking Dairy Cattle: Effects On Cow Cleanliness And Udder Health, Cassandra B. Tucker, David Fraser, Daniel M. Weary
Farm Animal Husbandry Collection
To determine whether tail docking would influence cow cleanliness and udder health in a free-stall system, we monitored milking cows after half the animals in a herd were docked. A sample of 223 docked and 190 undocked cows (reducing to 169 and 105 over the study as cows were dried off) were monitored for 8 wk. Cow cleanliness was scored in two areas: along the spine, and the rump adjacent to the tail at 1, 2, 3, 5, and 8 wk after docking. Cleanliness was evaluated by counting squares that were soiled (0 to 14 on a 5- × 17.5-cm …
Shade Management In Subtropical Environment For Milk Yield And Composition In Holstein And Jersey Cows, R. J. Collier, R. M. Eley, A. K. Sharma, R. M. Pereira, D. E. Buffington
Shade Management In Subtropical Environment For Milk Yield And Composition In Holstein And Jersey Cows, R. J. Collier, R. M. Eley, A. K. Sharma, R. M. Pereira, D. E. Buffington
Management and Monitoring of Farm Animals Collection
Forty-eight cows were assigned randomly to shade (15 Holsteins, 8 Jerseys) or no shade (16 Holsteins, 9 Jerseys) for 102 days beginning 12 June 1977 to examine effects of solar heat load on milk yield and composition. Rectal temperatures, respiration rates, and rumen contractions/min were monitored between 1200 and 1700 h on 20 randomly selected days. Morning and evening milk weights were recorded daily. Once weekly, morning and evening milk samples were collected from each cow and analyzed for fat, protein, acidity, freezing point depression, and somatic cell number. Black Globe temperature, rectal temperature, and respiration rate were elevated in …
The Psychological Relations Hip Between Dairy Cows And Dairy Cowmen And Its Implications For Animal Welfare, Martin F. Seabrook
The Psychological Relations Hip Between Dairy Cows And Dairy Cowmen And Its Implications For Animal Welfare, Martin F. Seabrook
International Journal for the Study of Animal Problems
No abstract provided.