Pullorum disease causing acute septicemia and mortality in adult brown chickens was diagnosed in a small-farm chicken flock in Iowa. Also, Salmonella Pullorum was isolated from the intestine of one of four rats trapped on this index farm. Tracing movements of spent hens from the index farm resulted in identification of a second infected flock on a contact farm. Poultry on the contact farm were ...

Intergenerational succession aims at the renewal of family farm and addresses the problem of increasing aged population of principal farm owners. This study assessed poultry farm characteristics and poultry farmers’ perception of farm succession planning in southwest Nigeria. A multistage sampling procedure was used in selecting poultry farmers in Oyo and Osun states.  Data were analyzed using ...

In order obtain suitable and effective farm machinery performance besides higher crop yield, on time farm machinery field operations are essential. Farm tractors are important machines that used for soil tillage, crop planting and protection. It is even used for harvesting crops in some areas. Thus, any failure in farm tractors influences the series of field operations. Farm managers are usuall...

From early 2005 a comprehensive catchment planning and implementation plan has been operating in the Oyster Harbour Catchment of WA. Planning was carried out using the principles of the Salinity Investment Framework (SIF) relating to the recovery, containment or adaptation to NRM risks. This was achieved through a staged process using technical specialists in partnership with local farmers and ...

Dairy operations today are suffering from narrow profit margins. This has intensified the drive for efficiency. At the same time dairy farmers have to take into account consumers demands such as food safety and quality, zoönotic disease transmission, animal welfare, reduction of the use of medical treatments, and an acceptable environmental impact of livestock production (after Berckmans, 2003;...

The efficient use of fertilizer nitrogen (N) is crucial to sustainable human nutrition. All crops receive significant amounts of additional N in temperate environments, through fixation or fertilizer use. This paper reviews progress towards the efficient use of fertilizer N by winter wheat (Triticum aesitivum L.) and spring barley (Hordeum vulgare L.) in the UK, acknowledging that on-farm this ...

this study was conducted to determine timeliness costs in using machinery and their effects on farmers’ revenues. in addition, optimum cropping pattern was compared with the existing one assuming removal of timeliness cost. for the purpose of the study, mixed integer and linear programming methods were used. the study was conduced in marvdasht region in southern iran. the data were collected th...

This paper uses a previously developed model of sound propagation in conventional open plan offices to explore the influence of each parameter of the office design on the expected speech privacy in the office. The ceiling absorption, the height of partial height panels and the workstation plan size are shown to be most important. However, it is not possible to achieve ‘acceptable’ speech privac...

on farm development program is a strategy adopted for the development of iran rice growing fields in the agricultural sector. swot method was employed for studying opportunities, threats, strengths and weaknesses of on farm development program. necessary data for the research was collected, through two sets of questionnaires, from 34 experts of on farm development program in guilan province. re...