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2014•Padua Research Archive (University of Padova)Open access

Economic Values of Milk Production and Milk Coagulation Properties in Italian Holstein-Friesian Dairy Cattle

Martino Cassandro, Denis Pretto, Massimo De Marchi, Mauro Penasa, N. López‐Villalobos

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Abstract

The economic values (EV) of production traits, rennet coagulation time (RCT, min), and curd firmness (a30, mm) were derived for Italian Holstein-Friesian dairy cattle, based on the Grana Padano cheese industry. Three different sets of EV for RCT and a30 were estimated, assuming +2.5% (scenario 1), +5% (scenario 2) and +10% (scenario 3) increments in cheese yield due to the effect of milk coagulation properties (MCP). A profit equation based on a linear model was developed to simulate the transformation of milk into Grana Padano cheese. The EV of RCT were -2.18, -4.36, and -8.71 Euro/min for scenarios 1, 2, and 3, respectively, and +0.86, +1.73, and +3.45 Euro/mm for a30, respectively. Relative emphasis of traits in the breeding objectives for Italian Holstein-Friesian dairy cattle population should account for the effect of MCP on cheese yield.

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The economic values (EV) of production traits, rennet coagulation time (RCT, min), and curd firmness (a30, mm) were derived for Italian Holstein-Friesian dairy cattle, based on the Grana Padano cheese industry. Three different sets of EV for RCT and a30 were estimated, assuming +2.5% (scenario 1), +5% (scenario 2) and +10% (scenario 3) increments in cheese yield due to the effect of milk coagulation properties (MCP). A profit equation based on a linear model was developed to simulate the transformation of milk into Grana Padano cheese. The EV of RCT were -2.18, -4.36, and -8.71 Euro/min for scenarios 1, 2, and 3, respectively, and +0.86, +1.73, and +3.45 Euro/mm for a30, respectively. Relative emphasis of traits in the breeding objectives for Italian Holstein-Friesian dairy cattle population should account for the effect of MCP on cheese yield.

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Available abstract

The economic values (EV) of production traits, rennet coagulation time (RCT, min), and curd firmness (a30, mm) were derived for Italian Holstein-Friesian dairy cattle, based on the Grana Padano cheese industry. Three different sets of EV for RCT and a30 were estimated, assuming +2.5% (scenario 1), +5% (scenario 2) and +10% (scenario 3) increments in cheese yield due to the effect of milk coagulation properties (MCP). A profit equation based on a linear model was developed to simulate the transformation of milk into Grana Padano cheese. The EV of RCT were -2.18, -4.36, and -8.71 Euro/min for scenarios 1, 2, and 3, respectively, and +0.86, +1.73, and +3.45 Euro/mm for a30, respectively. Relative emphasis of traits in the breeding objectives for Italian Holstein-Friesian dairy cattle population should account for the effect of MCP on cheese yield.

Key concepts: Milk production, Dairy cattle, Production (economics), Agricultural science, Dairy industry, Dairy farming, Holstein Cattle, Milk fat

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