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福建农林大学作物科学学院农业生态学课件 Forages for Dairy and Beef
福建农林大学作物科学学院 农业生态学 课件 Forages for Dairy and Beef
2015/9/23
福建农林大学作物科学学院农业生态学课件 Forages for Dairy and Beef。
Feasibility of Miscanthus as alternative bedding for dairy cows
bedding material cow comfort bacterial load
2015/4/30
Despite dairy farmers’ awareness of the importance of correct bedding for the health and comfort of their cows, they are often frugal with respect to these bedding materials in order to reduce costs. ...
Fatty acid intake and rumen fatty acid composition is affected by pre-grazing herbage mass and daily herbage allowance in Holstein dairy cows
linolenic acid rumen fatty acids metabolism
2014/10/28
The objective of this study was to investigate the effect of level of pre-grazing herbage mass (HM) and daily herbage allowance (DHA) on the fatty acid (FA) intake and composition of ruminal content o...
Feed prices and production costs on Spanish dairy farms
restricted cost function milk production costs short and long run elasticities agro-climatic areas
2014/10/24
This paper analyses the impact of livestock feed prices and pasture quality on the long and short-term costs of milk production in a region of Spain (Navarre). The empirical results are obtained from ...
Environmental evaluation of three alternative futures for organic dairy in Denmark
organic dairy farms scenario analysis environment animal welfare
2010/1/19
Objective of this study was to explore sustainability of scenarios for organic dairy
farming based on visions and goals of the future, by parameterization at farm level. The
scenarios were in agr...
Microbiological indices of soil quality fertilized with dairy sewage sludge
dairy sewage sludge microorganisms respiration activity soil
2008/11/26
The study was performed on a pot experiment in which a grey-brown podzolic soil was amended with two different doses of dairy sewage sludge (30 and 75 t ha-1) – 1 and 2.5% of DSS. During periode of in...
CO2, N2O and NH3 emissions from two different type of soils as affected by applications of dairy sewage sludge
brown soil carbon dioxide dairy sewage sludge grey-brown podzolic soil nitrous oxide
2008/11/21
A pot experiment with the dairy sewage sludge (DSS) was conducted under aerobic condition (60% WHC, water holding capacity) for a period of 240 days. The emissions of carbon dioxide (CO2), nitrous oxi...
EFFECT OF MICROCLIMATE ON BACTERIAL COUNT AND AIRBORNE EMISSION FROM DAIRY BARNS ON THE ENVIRONMENT
dairy barn microclimate airborne bacteria emission environment
2010/12/23
The main microclimate parameters, i.e. bacterial count and airborne emission to the immediate environment, were analyzed in a dairy barn. Air temperature, relative humidity and air flow velocity were ...