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Başlık: Effect of different dietary energy levels on the reproductive performance of Kivircik sheep under a semi-intensive system in the South-Marmara region of Turkey
Yazarlar: Uludağ Üniversitesi/Ziraat Fakültesi/Hayvan Bilimleri Bölümü.
Koyuncu, Mehmet Ali
Canbolat, Önder
16156692300
7004338636
Anahtar kelimeler: Energy
Reproduction
Sheep
Rasa-aragonesa ewes
Ovulation rate
Embryo survival
Lupin grain
Merino ewes
Food-intake
Sarda ewes
Productivity
Pregnancy
Gilts
Agriculture
Yayın Tarihi: 2009
Yayıncı: Kielanowski Inst Animal Physiology Nutrition
Atıf: Koyuncu, M. ve Canbolat, Ö. (2009). "Effect of different dietary energy levels on the reproductive performance of Kivircik sheep under a semi-intensive system in the South-Marmara region of Turkey". Journal of Animal and Feed Sciences, 18(4), 620-627.
Özet: The objective of the study was to determine the effects of four dietary energy levels (L(1) - 10.3, L(2) - 11.0, L(3) - 11.6 and L(4) - 12.2 MJ ME per kg DM) on oestrus synchronization and fertility in Kivircik ewes. Eighty Kivircik ewes were randomly allocated in equal numbers to the four dietary energy treatments. The groups were treated with intra vaginal sponges containing 40 mg FGA (fluorogestone acetate) for a period of 14 days and 500 IU pregnant mare serum gonadotropin was injected intramuscularly after sponge withdrawal. The proportion of ewes exhibiting overt oestrus within 96 h after the injection was significantly lower (P<0.05) in the L(1) and L(2) eves (86 and 89 %) than in those on the L(3) (100%) and L(4) (100%) treatments, respectively. Mean litter size and fecundity were higher (P<0.05) in the L(3) (1.95) and L(4) (2.05) compared with the L(1) (1.45 and 1.25) and L(2) (1.63 and 1.55) ewes. It is concluded that short-term (21 days) in the level of dietary energy supplementation pre-mating can have a beneficial effect on reproductive performance in ewes.
URI: https://doi.org/10.22358/jafs/66436/2009
http://www.jafs.com.pl/Effect-of-different-dietary-energy-levels-on-the-reproductive-performance-of-Kivircik-sheep-under-a-semi-intensive-system-in-the-South-Marmara-region-of-Turkey,66436,0,2.html
http://hdl.handle.net/11452/23191
ISSN: 1230-1388
Koleksiyonlarda Görünür:Scopus
Web of Science

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