Abstract
Based on a parliamentary decision, in the year 2009 castration of male piglets without anesthesia will be banned in Switzerland. Thus, pig producers are forced to search for alternatives to the common practice. Rearing intact male pigs to market weight could constitute one possible alternative solution. However, producers, retailers, and consumers are concerned about the incidence of taint in pork. Therefore, a reliable, fast, and objective method to detect carcasses with the undesirable odor is a prerequisite for boar production. The aim of this study was to evaluate the potential of an electronic nose (SMart Nose 151, LDZ, Switzerland) with a mass spectrometer (quadripole) as a detector to classify boar tainted carcasses.
Highlights
Based on a parliamentary decision, in the year 2009 castration of male piglets without anesthesia will be banned in Switzerland
The androstenone, skatole, and indole levels in the back fat (BF) of castrates were lower and ranged from 0 to 0.32, 0 to 0.04, and 0 to 0.01 mg/kg, respectively. These results revealed that the highest androstenone and ska tole concentrations in the BF samples of the castrates were higher than the lowest concentrations determined in the BF of the boars
PCA revealed that with solid phase micro extraction (SPME) 97% of the BF samples and with the pyrolyser, directly coupled to the injector, 100% of the BF samples of boars were correctly discriminated against the BF samples of the castrates
Summary
Based on a parliamentary decision, in the year 2009 castration of male piglets without anesthesia will be banned in Switzerland. Pig producers are forced to search for alternatives to the common practice. Rearing intact male pigs to market weight could constitute one possible alternative solution. Producers, retailers, and consumers are concerned about the incidence of taint in pork. A reliable, fast, and objective method to detect carcasses with the undesirable odor is a prerequisite for boar production. The aim of this study was to evaluate the potential of an electronic nose (SMart Nose 151, LDZ, Switzerland) with a mass spectrometer (quadripole) as a detector to classify boar tainted carcasses
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