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The Influence of Growth Rate on the Carcass Traits, Meat Quality Traits, and Fatty Acid Profile in Broilers
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U radu se istražuje utjecaj intenziteta prirasta Ross 308 brojlera (< 50g prirasta, skupina A; > 50g prirasta skupina B) u tovu do 42 dana na karakteristike trupova, tehnološku kvalitetu prsnoga mesa s obzirom na spol i profil masnih kiselina u mišićima prsa i zabataka. Karakteristike trupova određene su na osnovi udjela (%) prsa, bataka sa zabatcima, leđa, krila i randmana (%). Za vrjednovanje tehnološke kvalitete korišteni su sljedeći pokazatelji: pH1, pH2, ΔpH, gubitak mesnoga soka i boje (CIE L*, a*, b*) prsnoga mesa. Utvrđen je statistički značajan utjecaj spola i intenziteta prirasta za živu težinu brojlera, masu trupova (p˂0.001) te udjele prsa (p=0.006) i bataka sa zabatcima (p=0.004). Intenzitet prirasta statistički je značajno utjecao na udjele bataka sa zabacima i krila (p˂0.001). Spol pilića utjecao je na razlike gubitka mesnoga soka, % (p=0.003) i razlike stupnja žutila (p=0.029) prsnoga mesa. Ustanovljena je pozitivna korelacija između pH1 i pH2 (p0.05). Utvrđene su statistički visoko značajne razlike (p˂0.05) u sadržaju pojedinih masnih kiselina između mišića prsa i zabataka.
Faculty of Agrobiotechnical Sciences Osijek
Title: The Influence of Growth Rate on the Carcass Traits, Meat Quality Traits, and Fatty Acid Profile in Broilers
Description:
U radu se istražuje utjecaj intenziteta prirasta Ross 308 brojlera (< 50g prirasta, skupina A; > 50g prirasta skupina B) u tovu do 42 dana na karakteristike trupova, tehnološku kvalitetu prsnoga mesa s obzirom na spol i profil masnih kiselina u mišićima prsa i zabataka.
Karakteristike trupova određene su na osnovi udjela (%) prsa, bataka sa zabatcima, leđa, krila i randmana (%).
Za vrjednovanje tehnološke kvalitete korišteni su sljedeći pokazatelji: pH1, pH2, ΔpH, gubitak mesnoga soka i boje (CIE L*, a*, b*) prsnoga mesa.
Utvrđen je statistički značajan utjecaj spola i intenziteta prirasta za živu težinu brojlera, masu trupova (p˂0.
001) te udjele prsa (p=0.
006) i bataka sa zabatcima (p=0.
004).
Intenzitet prirasta statistički je značajno utjecao na udjele bataka sa zabacima i krila (p˂0.
001).
Spol pilića utjecao je na razlike gubitka mesnoga soka, % (p=0.
003) i razlike stupnja žutila (p=0.
029) prsnoga mesa.
Ustanovljena je pozitivna korelacija između pH1 i pH2 (p0.
05).
Utvrđene su statistički visoko značajne razlike (p˂0.
05) u sadržaju pojedinih masnih kiselina između mišića prsa i zabataka.
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