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2017, vol. 44, br. 2, str. 181-187
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Efekat dodatka sirka i tritikalea u ishrani brojlera na proizvodne performanse, pokazatelje kvaliteta trupa i pH vrednost mesa
Effects of dietary sorghum and triticale on performance, carcass traits and meat pH in broiler chickens
Nacionalni istraživački razvojni institut za biologiju i ishranu životinja (INCDBNA), Balotešti, Rumunija
e-adresa: anca.gheorghe@ibna.ro
Projekat: Project by Romanian Ministry of Research and Innovation through Nucleus Program, No. 1641 0105 'Evaluation of the nutritional potential of local feed resources in broilers feeding'
Sažetak
Prikazana studija izvedena je kako bi se ispitao efekat delimične zamene kukuruza belim sirkom (BS) ili tritikaleom (T) u ishrani brojlera, na proizvodne performanse, pokazatelje kvaliteta trupa i pH vrednost mesa. Jednodnevni Cobb 500 brojlerski pilići istog pola (600 komada) su nasumično podeljeni u tri grupe, sa po četiri ponavljanja po tretmanu. Brojleri su hranjeni izo-kaloričnim i izo-azotnim obrocima 35 dana: kontrolni obroci na bazi kukuruza i sojine sačme (K), kukuruz-BS-sojina sačma obroci (BS), ili kukuruz-T-sojina sačma obroci (T). Kukuruz je bio parcijalno zamenjen sa BS ili T na sledeći način: odnosi u obrocima su bili 275,4 g/kg ili 284,0 g/kg (starter), 307,0 g/kg ili 308,2 g/kg (grover) i 332,7 g/kg ili 335,0 g/kg finišer, redom. Rezultati su pokazali da proizvodne performanse (prinos mase, unos hrane i konverzija hrane), kao i pokazatelji kvaliteta trupa (prinos mase trupa i procentualni udeo grudi, nogu, krila, jetre i abdominalne masnoće) nisu zavisili od unosa BS ili T u ishranu. Način ishrane nije uticao ni na pH vrednost mesa grudi (Pectoralis major) i karabataka (Biceps femoris) mereno posle 30 minuta i 24 sata nakon klanja. Može se izvesti zaključak da je parcijalna zamena kukuruza belim sirkom ili tritikaleom u ishrani brojlerskih pilića adekvatna i da nema negativne efekte na proizvodne performanse, karakteristike trupa i pH vrednost mesa, kao važne pokazatelje kvaliteta.
Abstract
The study was conducted to evaluate the effects of dietary partial corn replacement by white sorghum (WS) or triticale (T) on growth performance, carcass parameters and pH of meat in broilers. One-day-old unsexed Cobb 500 broilers (n=600) were randomly assigned to 3 groups with 4 replicates per treatment. The broilers were fed with isocaloric and isonitrogenous corn-soybean meal control diets (C), corn-WS-soybean meal diets (WS) or corn-T-soybean meal diets (T) for 35 days. The WS or T partially replaced corn; proportions in diets were 275.4 g/kg or 284.0 g/kg (starter), 307.0 g/kg or 308.2 g/kg (grower) and 332.7 g/kg or 335.0 g/kg (finisher). Results showed that performance (body weight gain, feed intake and feed conversion ratio) or carcass traits (carcass yields, breast, leg, wings, liver and abdominal fat percentage) at 35 d were not affected by the inclusion of WS or T in diets. The pH values of breast (Pectoralis major) and thigh (Biceps femoris) muscle at 30 min and 24 h after slaughter were not influenced by the dietary treatments. In conclusion, partial corn replacement with white sorghum or triticale are suitable options for broiler chicken diet, with no adverse effects on growth performance, carcass characteristics or meat pH, as important quality parameters.
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