Effects of Selenium-Vitamin E or Progestagen-PMSG Injections on Reproductive Performance of Ewes

Koyuncu, Mehmet; Uzun, S. Kara; Öziş, Ş.; Yerlikaya, Huseyin

doi:10.1080/09712119.2006.9706589

Cited by 4 publications

(2 citation statements)

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“…However, in this trial, injection of Se plus vitamin E did not increase the reproduction and production performance in younger ewes (Gabryszuk & Klewiec, 2002). Positive effects of Se or Se-vitamin E on fertility were observed by other authors (Scales, 1974;Mihajlovic et al, 1991;Koyuncu et al, 2006), but not confirmed (Segerson et al, 1986). A permeating dose of 5 mg selenium reduced the numbers of barren Merino ewes by 15% (Scales, 1974).…”

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confidence: 68%

<i>Short Communication</i> Effect of selenium-vitamin E injections of ewes on reproduction and growth of their lambs

Koyuncu¹,

Yerlikaya²

2007

SA J. An. Sci.

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The experiment was conducted on 90 Karacabey Merino ewes divided into three groups. The first group of ewes was treated with 5 mL 0.1% sodium selenate, the second with 5 mL 0.1% sodium selenate and 250 mg vitamin E, while the third one was a control group. The effect of intra-muscular injection of selenium (Se) and Se plus vitamin E on oestrus, fertility, prolificacy, number of lambs reared the weight of lambs at birth and the live weight gain for 60 days was investigated. The injections of Se plus vitamin E significantly increased the incidence of oestrus, fertility and prolificacy in ewes, lamb body weight at day 60 and daily weight gain of ewes for 60 days postpartum compared with the control group.

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confidence: 68%

<i>Short Communication</i> Effect of selenium-vitamin E injections of ewes on reproduction and growth of their lambs

Koyuncu¹,

Yerlikaya²

2007

SA J. An. Sci.

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“…The birth weight, daily weight gain, fleece yield, breeding age and litter size were 4.4 kg, 322 g, 3.6 kg, 10-14 months and 1.4 in the Merino, respectively (TAGEM, 2011). Some research has been performed on the hormonal application of the reproductive cycle of the Merino sheep, particularly oestrus synchronisation (Koyuncu et al, 2006). Among breeds, the Merino is considered to have low prolificacy.…”

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confidence: 99%

The effects of short-mid-long term intravaginal sponge application on reproductive performance of karacabey Merino ewes in the anestrous season

Altinçekiç

Koyuncu

2017

IJAR

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The aim of the present paper was to investigate the efficiency of different progestagen treatment methods in combination with Pregnant Mare Serum Gonadotrophin (PMSG) in Merino ewes outside the breeding season. A total of 78 ewes (2 to 4 years old) with a mean bodyweight of 58.4 kg and an average body condition score (BCS) of 3.5 were used in the trial. The ewes were randomly divided into 3 equal groups [n= 26]. Intravaginal progestagen sponges containing Fluorogestone Acetate (FGA; 30 mg) were inserted intravaginally for different periods (7_days: short-term; 10_days: mid-term, 14_days: long-term). In all cases, 500 IU PMSG was administered intramuscularly at sponge withdrawal. The oestrus response, lambing rate, multiple birth rate, fecundity and litter size were [65.4, 61.5, 18.8 %, 0.77 and 1.25] in the short-term group; 80.8, 88.5, 34.8 %, 1.31 and 1.48 in the mid-term group; and 96.2, 92.3, 62.5 %, 1.50 and 1.63 in the long-term group, respectively. Oestrus manifestation and multiple birth rate were greater in long-term than in mid-and short-term groups, whereas for lambing rate, fecundity and litter size, better results were obtained in long-and mid-term than in short-term protocol. In conclusion, in Merino ewes, oestrus synchronisation outside the breeding season with long and mid-term progestagen treatment was found to be more effective than short-term treatment.

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Effects of CIDR, Vitamin A, E + Selenium on Reproductive Performance in Ewes of Anestrus Period

Altinçekiç¹,

Koyuncu²,

Nageye³

2019

Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi

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Bu çalışmada, Kıvırcık koyunlarında anöstrus döneminde CIDR ve Vitamin A, Vitamin E+Se uygulamalarının tek başına ve birlikte uygulamanın döl verimi üzerine etkileri belirlenmiştir. Koyunlar 5 gruba ayrılmış, grup 1'de yer alan 20 baş koyuna 0.33 g progesteron içeren CIDR'ler vajinaya yerleştirilmiş, 14 gün sonunda çıkarılmış ve tüm koyunlara kas içi 500 IU Gebe Kısrak Serumu Hormonu (GKSH) enjekte edilmiştir. Grup 2'de yer alan 20 baş koyuna CIDR + Vitamin A + E + Se kombinasyonu uygulanmıştır. 3. gruptaki 20 baş koyuna Vitamin A (2 ml/baş), 4. Gruptaki 20 baş koyuna ise Vitamin E + Se (2 ml/baş) yapılmış ve 18 koyunun yer aldığı son grup ise kontrol grubu olarak adlandırılmıştır. Uygulamaları takip eden 24. saatte sürüye koçlar katılmıştır. Elde edilen sonuçlar bakımından CIDR, CIDR + Vitamin A + E + Se, Vitamin A, Vitamin E + Se ve kontrol gruplarında sırasıyla gebelik oranı (%95.

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Effects of Selenium-Vitamin E or Progestagen-PMSG Injections on Reproductive Performance of Ewes

Abstract: InjectionsKoyuncu, M., Kara Uzun, $., Oz+, $.

Cited by 4 publications

References 4 publications

<i>Short Communication</i> Effect of selenium-vitamin E injections of ewes on reproduction and growth of their lambs

<i>Short Communication</i> Effect of selenium-vitamin E injections of ewes on reproduction and growth of their lambs

The effects of short-mid-long term intravaginal sponge application on reproductive performance of karacabey Merino ewes in the anestrous season

Effects of CIDR, Vitamin A, E + Selenium on Reproductive Performance in Ewes of Anestrus Period

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