A - Papers appearing in refereed journals
Merino, V. M., Balocchi, O. A., Rivero, M. J. and Pulido, R. G. 2019. Short-Term Effect of Daily Herbage Allowance Restriction on Pasture Condition and the Performance of Grazing Dairy Cows during Autumn. Animals. 10 (1), p. 62.
|Authors||Merino, V. M., Balocchi, O. A., Rivero, M. J. and Pulido, R. G.|
The aim of this study was to evaluate the short-term effects of daily herbage allowance (DHA, defined as the product of pre-grazing herbage mass and offered area per animal) on pasture conditions and milk production of Holstein-Friesian dairy cows. Forty-four early lactation dairy cows were randomly assigned to one of four treatments in a 2 × 2 factorial design that tested two levels of DHA (17 and 25 kg DM/cow.day) and two levels of maize silage supplementation (MSS, 4.5 and 9 kg DM/cow.day) over a 77-day period. Low DHA decreased the post-grazing herbage mass from 1546 to 1430 kg DM/ha and the compressed sward height from 5 to 4.4 cm, while the grazing efficiency remained unaffected. Low DHA induced a faster herbage mass reduction, while the sward-height and pasture characteristics did not differ from the high DHA regime. Low DHA decreased the tiller production rates and daily lamina growth, while the leaf-production rate was not affected by the DHA. Daily increases of herbage mass were greater in the high DHA than in the low DHA treatments.
|Keywords||Dairy cows; Grazing management; Milk production; Grazing efficiency|
|Year of Publication||2019|
|Journal citation||10 (1), p. 62|
|Digital Object Identifier (DOI)||doi:10.3390/ani10010062|
|Web address (URL)||https://www.mdpi.com/2076-2615/10/1/62|
|Open access||Published as ‘gold’ (paid) open access|
|Funder||Biotechnology and Biological Sciences Research Council|
|Funder project or code||S2N - Soil to Nutrition - Work package 2 (WP2) - Adaptive management systems for improved efficiency and nutritional quality|
|Online||29 Dec 2019|
|Publication process dates|
|Accepted||23 Dec 2019|
Permalink - https://repository.rothamsted.ac.uk/item/970v7/short-term-effect-of-daily-herbage-allowance-restriction-on-pasture-condition-and-the-performance-of-grazing-dairy-cows-during-autumn