The Effect of Gender, Growth rate and Sire Line on Live Pigs Performance
Keywords:
pigs, lean meat content, back fat thickness, growth rateAbstract
The aim of the study was to evaluate the effect of gender, growth rate and different sire lines on live weight, average daily gain (ADG), back fat thickness and lean meat content in the breed Large White. The study evaluated 232 pigs, of which 201 were gilts and 31 were boars. Data were collected using a Piglog 105 apparatus, which was used to measure lean meat content, back fat thickness and average daily gain. Back fat thickness was significantly higher in gilts (0.933±0.01 cm) than in boars (0.806±0.02 cm), (P <0.001). Pigs with the highest growth rate - average daily gains had significantly lower back fat thickness (0.847±0.01 cm) and a higher lean meat content (62.702±0.11%, P <0.001) than pigs with lower gains. The results showed that sire line had a significant effect on ADG of the pigs evaluated (P <0.001), with the highest ADG recorded in sire line A (669.6±10.34 g.day-1) and the lowest in sire line C (612.77±4.24 g.day-1). There were no significant differences (P >0.05) in back fat thickness and lean meat content between the lines. The results of the study indicate that for increasing the lean meat content in pigs, breeding animals with high growth intensity should be selected.
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