Search Results - "Irish journal of agricultural research"

Modified Neutral Detergent Cellulase Digestibility Procedure for Use with the 'Fibertec' System by Morgan, D. J., Stakelum, G., Dwyer, J.

“…A modified procedure for determining neutral detergent cellulase digestibility is described which employs the 'Fibertec' digestion apparatus. Values obtained…”
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Measurement of Plasma Progesterone Concentrations by Extraction and Non-Extraction Radioimmunoassays by Ronayne, E., Hynes, N.

“…Conventional Radioimmunoassay (RIA) procedures for steroids involve laborious extraction of the steroid from plasma to remove binding proteins and potentially…”
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A Note on the Relationship between Palatability and Water-Soluble Carbohydrates Content in Perennial Ryegrass by Jones, E. L., Roberts, J. E.

“…Four diploid perennial ryegrass cultivars showing differences in water-soluble carbohydrates (WSC) content but with similar digestibility at 3 to 4 weeks…”
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A Comparison of Dairy Cattle Behavioural Patterns at Pasture and during Confinement by O'Connell, J., Giller, P. S., Meaney, W.

“…Behaviour studies were carried out on spring calving dairy cows in mid-gestation with an age range of 4 to 12 years. Comparisons were made between the…”
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A Note on a Balance Sheet Approach to Estimating the Phosphorus Fertiliser Needs of Agriculture by Tunney, H.

“…A study of the average available phosphorus in soils of the Republic of Ireland shows a steady, almost linear eightfold increase between 1950 and the present…”
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Buffering Capacities in Permanent Pasture Grasses by Muck, R. E., O'Kiely, P., Wilson, R. K.

“…Buffering capacity, as affected by maturity and season, was measured in grass harvested from two permanent pastures, which varied in botanical composition…”
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Seasonal variation in the water-soluble carbohydrates of perennial and italian ryegrass under cutting conditions by McGrath, D. (Foras Taluntais, Dublin (Ireland). Wexford)

“…Water-soluble carbohydrate in perennial ryegrass, cut three times each year, averaged about 20% of dry matter over the period December 1981-September 1983…”
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Organic Acid Content of Permanent Pasture Grasses by Muck, R. E., Wilson, R. K., O'Kiely, P.

“…Organic acids were measured in mixed swards of grass from two permanent pastures over different cutting periods (primary growth, first regrowth and third or…”
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The Effects of Autumn Management on Grass Growth in Winter and Spring by Culleton, N., Lemaire, G., Keane, G.

“…The effects of date of autumn closure and nitrogen application on grass growth in winter and spring were examined. The experiments were carried out at…”
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A Note on the Occurrence of the A2 Mating Type and Self-Fertile Isolates of Phytophthora infestans in the Republic of Ireland by O'Sullivan, E., Dowley, L. J.

“…Mating type was determined for 26 isolates of Phytophthora infestans collected from various locations in the Republic of Ireland. Nine isolates were of the A2…”
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Herbage intake of grazing dairy cows. 2. Effect of herbage allowance, herbage mass and concentrate feeding on the intake of cows grazing primary spring grass by Stakelum, G

“…Forty spring-calving dairy cows were allocated to four grazing treatments (two levels of daily herbage allowance with and without concentrate feeding). The…”
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Effects of autumn closing date and grazing severity in a rotationally grazed sward during winter and spring. 1. Dry matter production by Carton, O. T., Brereton, A. J., O'Keeffe, W. F., Keane, G. P.

“…The effects of autumn closing date and grazing severity prior to closing on dry matter yield and its components through the winter up to early summer are…”
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Twinning in a Suckler Herd: 1. Effects on Performance of Cows and Their Calves by McCutcheon, G. A., Caffrey, P. J., Kelleher, D. L., Brophy, P. O.

“…Twenty-four multiparous Limousin × Friesian cows from an April/May calving suckler herd were used to assess the effects of twinning on health, energy status…”
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Effect of Turnout Date and Grazing Severity in a Rotationally Grazed Reproductive Sward: 1. Dry Matter Production by Carton, O. T., Brereton, A. J., O'Keeffe, W. F., Keane, G. P.

“…In this study the effects of turnout date and grazing severity on dry matter (DM) production and its components in a rotationally grazed perennial ryegrass…”
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Sulphur Deficiency in Herbage in Ireland: 2. Sulphur Fertilisation and Its Effect on Yield and Quality of Herbage by Murphy, M. D., O'Donnell, T.

“…A series of five experiments was carried out on grassland sites throughout the country to measure the effect of applying incremental levels of sulphur from…”
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Twinning in a Suckler Herd: 2. Effects on Cow and Calf Immunoglobulin Status by McCutcheon, G. A., Caffrey, P. J., Kelleher, D. L., Brophy, P. O.

“…Twenty-four multiparous Limousin × Friesian cows (7 with twin and 17 with single calves) from an April/May calving suckler herd were used to determine the…”
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Effects of soil temperature and moisture content on ammonia volatilization from urea-treated pasture and tillage soils by McGarry, S.J, O'Toole, P, Morgan, M.A

“…The effects of temperature (8°, 13° and 18°C), soil moisture content (SMC) (35, 60 and 85% of field capacity (FC)) and simulated rainfall (35/85% FC) on…”
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Productivity of Once-Calved Heifers: Effects of Pre-Calving Feeding Level and Heifer Breed Type by Keane, M. G., Harte, F. J., Drennan, M. J.

“…The productivity of once-calved heifers was evaluated in two experiments. In Experiment 1,42 spring-born Hereford × Friesian 15-month-old heifers were joined…”
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Effects of Applying Copper-Rich Pig Slurry to Grassland: 4. Sheep Feeding Experiments by Poole, D. B. R., McGrath, D., Fleming, G. A., Moore, W.

“…Three feeding experiments were undertaken to evaluate the effect of copper-enriched pig slurry on the copper status of sheep ingesting this material. In…”
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Buffering capacity in permanent pasture grasses by MUCK, R.E, O'KIELY, P, WILSON, R.K

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