Search Results - "Costall, D A"

Capturing urine while maintaining pasture intake, milk production, and animal welfare of dairy cows in early and late lactation by Clark, C E F, McLeod, K L M, Glassey, C B, Gregorini, P, Costall, D A, Betteridge, K, Jago, J G

“…Capturing urine and spreading it evenly across a paddock reduces the risk of nitrogen loss to the environment. This study investigated the effect of 16h/d…”
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Nitrogen concentration in the urine of cattle, sheep and deer grazing a common ryegrass/cocksfoot/white clover pasture by Hoogendoorn, CJ, Betteridge, K, Costall, DA, Ledgard, SF

“…Total nitrogen (N) concentration in the urine of 12- to 18-month old female sheep, cattle and deer grazing a common pasture was measured in the morning, noon…”
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Cattle treading effects on sediment loss and water infiltration by Russell, J.R, Betteridge, K, Costall, D.A, Mackay, A.D

“…To quantify effects of forage canopy properties, soil surface relief, and hill slope on the hydrologic properties of the soil in a New Zealand hill land…”
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Effects of fertiliser application on nutrient status and organic matter content of hill soils by Lambert, M. G., Clark, D. A., Mackay, A. D., Costall, D. A.

“…Effects of two fertiliser treatments on soil characteristics were measured during 1972-87, within 10 grazed permanent-pasture "farmlets", on steep hill country…”
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A simulation model of the effects of cattle treading on pasture production on North Island, New Zealand, hill land by Finlayson, J. D., Betteridge, K., MacKay, A., Thorrold, B., Singleton, P., Costall, D. A.

“…Because treading damage is difficult to measure, the ability to predict the impact of grazing animals on soil and pasture condition has value for determining…”
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Cattle treading effects on sediment loss and water infiltration by Russell, J. R., Betteridge, K., Costall, D. A.

“…To quantify effects of forage canopy properties, soil surface relief, and hill slope on the hydrologic properties of the soil in a New Zealand hill land…”
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Rearing conditions for lambs may increase tansy ragwort grazing by Sutherland, R.D, Betteridge, K, Fordham, R.A, Stafford, K.J, Costall, D.A

“…Grazing by sheep is an accepted method of controlling tansy ragwort (Senecio jacobaea L.), but some flock members seldom eat it. Our objectives were to…”
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