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Factors affecting changes in the population of sows in Poland : regional analysis

Pepliński, Benedykt - In: Acta scientiarum polonorum / Oeconomia : czasopismo … 15 (2016) 1, pp. 75-87

Persistent link: https://www.econbiz.de/10011477100

Survival analysis of culling reasons and economic examination of production period in sow culling

Balogh, Peter; Ertsey, Imre; Kovacs, Sandor - European Association of Agricultural Economists - EAAE - 2007

by an economic model how the production period of sows influences the average costs of piglets and the average costs of … piglets per kilo at 2006 prices. We calculated that the 5th farrowing is the minimum cost place. …

Persistent link: https://www.econbiz.de/10005806146

Economic cost of preweaning mortality: a report of the NAHMS national swine survey.

Crooks, A.C.; Hurd, H.C.; Dargatz, D.A.; Hill, G.W. - 1993

We used data collected for the National Animal Health Monitoring Systems' (NAHMS) National Swine Survey to estimate the number and associated opportunity costs of piglet mortalities to producers of various herd sizes and in various regions of the United States in 1990. Opportunity costs are the...

Persistent link: https://www.econbiz.de/10009429554