The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia

ERKOVAN, HALIL IBRAHIM; GÜLLAP, Mehmet Kerim; Kaya, Adem; KARAOĞLU, Mevlüt; KOÇ, ALI; MACİT, Muhlis

The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia

Ali KOÇ, (Eskişehir Osmangazi Üniversitesi, Ziraat Fakültesi, Tarla Bitkileri Bölümü, Eskişehir, Türkiye)

Adem KAYA, (Atatürk Üniversitesi, Ziraat Fakültesi, Zootekni Bölümü, Erzurum, Türkiye)

Mehmet Kerim GÜLLAP, (Atatürk Üniversitesi, Ziraat Fakültesi, Tarla Bitkileri Bölümü, Erzurum, Türkiye)

Halil İbrahim ERKOVAN, (Atatürk Üniversitesi, Ziraat Fakültesi, Tarla Bitkileri Bölümü, Erzurum, Türkiye)

Muhlis MACİT, (Atatürk Üniversitesi, Ziraat Fakültesi, Zootekni Bölümü, Erzurum, Türkiye)

Mevlüt KARAOĞLU (Atatürk Üniversitesi, Ziraat Fakültesi, Zootekni Bölümü, Erzurum, Türkiye)

Turkish Journal of Veterinary and Animal Sciences

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Yıl: 2014 Cilt: 38 Sayı: 3 Sayfa Aralığı: 278 - 284 Metin Dili: İngilizce İndeks Tarihi: 29-07-2022

The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia

Öz:

Animal performance declines considerably afer summer dormancy during the grazing season in the steppe rangelands ofEast Anatolia. The aim of this study was to determine the growth performance of Holstein heifers grazed on rangeland and supportedwith concentrate. Forage amount, crude protein (CP), neutral detergent fber (NDF), and acid detergent fber (ADF) contents of foragewere sampled biweekly during the grazing season. In the experiment, heifers (250 ± 10 kg) were allocated to 1 of 3 feeding trials: 1)control, 2) grazing plus concentrate supplement fed at 1% of bodyweight once daily, and 3)grazing plus concentrate supplement fed at1.5% of bodyweight once daily. Te forage allowance increased from the beginning to the middle of July and thereafer continuouslydeclined until the end of the season. CP content of forage declined from the beginning to the middle of July and thereafer it slightlyincreased until the end of the season. Both NDF and ADF content of forage increased from the beginning of August and thereaferdeclined. Bodyweight increased throughout the season, and the increases were considerably higher in the supplemented groups than inthe control. Total live weight gain at the end of the grazing season was higher in the supplemented groups than in the control; however,there were no signifcant diferences between the supplemented groups. According to the study results, concentrate supplement fed at1% bodyweight after the start of summer dormancy can improve animal performance in the rangelands in this region.

Anahtar Kelime:

Konular: Ziraat Mühendisliği

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	KOÇ A, Kaya A, GÜLLAP M, ERKOVAN H, MACİT M, KARAOĞLU M (2014). The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia. , 278 - 284.
Chicago	KOÇ ALI,Kaya Adem,GÜLLAP Mehmet Kerim,ERKOVAN HALIL IBRAHIM,MACİT Muhlis,KARAOĞLU Mevlüt The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia. (2014): 278 - 284.
MLA	KOÇ ALI,Kaya Adem,GÜLLAP Mehmet Kerim,ERKOVAN HALIL IBRAHIM,MACİT Muhlis,KARAOĞLU Mevlüt The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia. , 2014, ss.278 - 284.
AMA	KOÇ A,Kaya A,GÜLLAP M,ERKOVAN H,MACİT M,KARAOĞLU M The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia. . 2014; 278 - 284.
Vancouver	KOÇ A,Kaya A,GÜLLAP M,ERKOVAN H,MACİT M,KARAOĞLU M The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia. . 2014; 278 - 284.
IEEE	KOÇ A,Kaya A,GÜLLAP M,ERKOVAN H,MACİT M,KARAOĞLU M "The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia." , ss.278 - 284, 2014.
ISNAD	KOÇ, ALI vd. "The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia". (2014), 278-284.

APA	KOÇ A, Kaya A, GÜLLAP M, ERKOVAN H, MACİT M, KARAOĞLU M (2014). The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia. Turkish Journal of Veterinary and Animal Sciences, 38(3), 278 - 284.
Chicago	KOÇ ALI,Kaya Adem,GÜLLAP Mehmet Kerim,ERKOVAN HALIL IBRAHIM,MACİT Muhlis,KARAOĞLU Mevlüt The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia. Turkish Journal of Veterinary and Animal Sciences 38, no.3 (2014): 278 - 284.
MLA	KOÇ ALI,Kaya Adem,GÜLLAP Mehmet Kerim,ERKOVAN HALIL IBRAHIM,MACİT Muhlis,KARAOĞLU Mevlüt The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia. Turkish Journal of Veterinary and Animal Sciences, vol.38, no.3, 2014, ss.278 - 284.
AMA	KOÇ A,Kaya A,GÜLLAP M,ERKOVAN H,MACİT M,KARAOĞLU M The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia. Turkish Journal of Veterinary and Animal Sciences. 2014; 38(3): 278 - 284.
Vancouver	KOÇ A,Kaya A,GÜLLAP M,ERKOVAN H,MACİT M,KARAOĞLU M The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia. Turkish Journal of Veterinary and Animal Sciences. 2014; 38(3): 278 - 284.
IEEE	KOÇ A,Kaya A,GÜLLAP M,ERKOVAN H,MACİT M,KARAOĞLU M "The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia." Turkish Journal of Veterinary and Animal Sciences, 38, ss.278 - 284, 2014.
ISNAD	KOÇ, ALI vd. "The effect of supplemental concentrate feed on live weight gain of yearling heifers over grazing season in subirrigated rangelands of East Anatolia". Turkish Journal of Veterinary and Animal Sciences 38/3 (2014), 278-284.