Results 91 to 100 of about 736,293 (290)

Genetics of animal health and disease in cattle [PDF]

, 2011
peer-reviewedThere have been considerable recent advancements in animal breeding and genetics relevant to disease control in cattle, which can now be utilised as part of an overall programme for improved cattle health.
Bermingham Mairead L, Margaret Good, Berry, D.P., More Simon J, Bermingham, M.L., Berry Donagh P, Berry, Donagh P., Good, Margaret, Good Margaret, Donagh P Berry, Bermingham, Mairead L, Good, M., More, S.J., Bermingham, Mairead L., More, Simon J, Simon J More, Mairead L Bermingham, et al., Berry, Donagh   +18 more
core   +1 more source

Seeds of change: The impact of Ethiopia's direct seed marketing approach on smallholders' seed purchases and productivity

American Journal of Agricultural Economics, EarlyView.
Abstract While multiple factors explain low adoption rates of improved varieties by small‐scale farmers in sub‐Saharan Africa, a key supply‐side constraint is the limited availability of seed embodying new traits in the volume, quality, price, and timeliness required by farmers. This constraint is partly attributable to classical failures in the market
Dawit Mekonnen, Gashaw T. Abate, Seid Yimam, Rui Benfica, David J. Spielman, Frank Place   +5 more
wiley   +1 more source

Accounting for animal health in efficiency analysis: An application to Swedish dairy farms

American Journal of Agricultural Economics, EarlyView.
Abstract Poor animal health is a central concern in modern livestock production. Despite the necessity to incorporate animal health in efficiency analysis, the theoretical and empirical developments are limited on this subject. This article appropriately characterizes the axiomatic properties of animal health within a production framework.
Frederic Ang, Enoch Owusu‐Sekyere, Karin Alvåsen, Helena Hansson   +3 more
wiley   +1 more source

Helminths Identified by Coprological Examination in Cattle Raised in Bartin Region

Turkish Journal of Parasitology, 2014
This study was carried out to detect the presence and prevalence of helminths in cattle between March 2011-June 2012 in the Bartin and Amasra districts.A total of 141 feacal samples of cattle younger than 1 year old (n=12), between 1 and 3 years old (n=48), more than 3 years old (n=81) were analyzed with sedimentation, flotation and Baermann Wetzel ...
openaire   +3 more sources

Intensificación de la ganadería porcina y problemas medioambientales en la Conca de Tremp (Pirineo Catalán)

Espacio, Tiempo y Forma. Serie VI, Geografía, 1997
La Conca de Tremp, situada en la comarca montañosa catalana del Pallars Jussá, es una de las áreas donde más se ha incrementado la ganadería porcina en régimen estabulado en las últimas tres décadas.
José Borrás Ferrán, José Sánchez Sánchez   +1 more
doaj   +1 more source

The Herfindahl neutral point: A firm‐level threshold for managing market concentration with evidence from US hog packing

American Journal of Agricultural Economics, EarlyView.
Abstract This paper derives a firm‐level threshold, the Herfindahl Neutral Point, from the standard concentration index used in merger review. At this threshold, a marginal expansion leaves the index unchanged. Firms below the threshold reduce concentration when they expand; firms above it increase concentration.
Andrew J. Keller, Krishna P. Paudel
wiley   +1 more source

DETERMINANTS OF FEEDER CATTLE PRICE-WEIGHT SLIDES [PDF]

Feeder cattle price-weight slides are analyzed using transactions data on 46,123 pens of feeder cattle over a 10-year period. Fed cattle futures prices and corn prices are important determinants of price-weight slides.
Dhuyvetter, Kevin C., Schroeder, Ted C.
core  

Risk management externalities in agrifood supply chains

American Journal of Agricultural Economics, EarlyView.
Abstract Firms may under‐ or over‐invest in risk management from the social planner's perspective, resulting in a negative externality on other economic agents in the supply chain. The externality of risk management is particularly relevant for agrifood supply chains, which frequently experience disruptions and play a primary role in preventing major ...
Jeffrey Hadachek, Meilin Ma
wiley   +1 more source

Using pre‐ and post‐entry data to identify the effect of ethanol plant entry on the spatial pattern of corn prices: A study in Indiana

American Journal of Agricultural Economics, EarlyView.
Abstract We estimate the long‐run effect of ethanol plant entry on local corn prices using a long‐horizon difference‐in‐differences framework that combines matching with fixed effects while explicitly accounting for treatment intensity and spatial heterogeneity.
Jinho Jung, Juan P. Sesmero, Ralph Siebert   +2 more
wiley   +1 more source

Considerações sobre a geografia do município de São Francisco de Assis-RS [PDF]

Sociedade & Natureza, 2005
São Francisco de Assis is located between the Planalto Médio Brasileiro and the DepressãoPeriférica of Rio Grande do Sul. It is defined as a town which shows two geographic realities.
Rudineli de Bairros Pires, Meri Lourdes Bezzi   +1 more
doaj