TY - JOUR TT - Farklı Mera Bitkilerinin Serbest Sistem Etlik Piliç Yetiştiriciliğinde Karkas Randımanı ve Bazı Karkas Parça Ağırlıkları Üzerine Etkisi AU - Garip, Mustafa AU - Balevi, Tahir AU - Polat, Esad Sami AU - Canbar, Rahmi AU - Özcan, Cahit PY - 2017 DA - June JF - Manas Journal of Agriculture Veterinary and Life Sciences JO - Manas J Agr Vet Life Sci PB - Kyrgyz-Turkish Manas University WT - DergiPark SN - 1694-7932 SP - 80 EP - 88 VL - 7 IS - 1 KW - free system KW -  broiler KW -  pasture composition KW -  carcass quality N2 - Buçalışmanınamacıfarklımeraiçeriklerininserbestsistem(freerange)tavukçuluktabüyümevekarkasözellikleriüzerineetkisiniaraştırmaktır.Deneme,yonca,kılçıksızbromvekekikekilmişyaklaşık4dekar arazide, 8 adet mobil kümes içinde ve etrafı seyyar tellerle çevrili alanda gerçekleştirildi.Denemedegünlükyaşta480adetyavaşgelişenerkekHubbardIsaRed‐JAbroylercivcivler4anagruba,hergrupda4altgrubaayrıldı.Denemesonundakarkasrandımanları42.gündesıarasıyla%77,76,75,73ve84.gündesırasıyla%73,77,74,74olarakeldeedildi.84.günkarkasrandımanalarıarasındakifarkönemlibulunmuştur(P<0.05).Kesimağırlıkları42günde1245.59±74.41,1226.13±79.11,1300.68±28.90,1247.27±45.01,1254.92±29.19karkasağırlıklarıise965.88±80.00,929.12±56.57,974.87±46.63,903.96±27.36, 943.46±27.08 olarak gerçekleşmiş gruplar arasında fark bulunmamıştır (P>0.05). Karkasparçaağırlıklarıbakımındantaşlık,yenilebilirkısım,boyunveayakağırlıklarındafarkoluşmamıştır.Diğertüm karkas parça ağırlıklarında kontrol grubunda deneme gruplarından daha düşük bulunmuştur(P<0.05). Sonuç olarak farklı mera içeriği, yavaş büyüyen etlik piliçlerde erken dönemde bir farklığaneden olmadığı halde, ilerleyen dönemlerde canlı ağırlık, kesim ve bazı karkas parça ağırlıklarınıetkilediğigözlemlenmiştir.Anahtarkelimeler:serbestsistem,broiler,merakompozisyon,karkaskalitesi Thisstudywaspresentedorallyatthe3rdInternationalVetistanbulGroupCongress2016onMay17‐20. CR - Cheema, M., Qureshi, M.A., Havenstein, G.B. (2003). A comparison of the immuneresponse of a 2001 commercial broiler with a 1957 random bred broiler strain when fed representative1957 and 2001 broiler diets. Poult Sci, 82 (10): 1519-1529. CR - Havenstein, G.B., Ferket, P.R., Qureshi MA. (2003). Carcass composition and yieldof 1957 versus 2001 broilers when fed representative 1957 and 2001 broilerdiets. 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