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Acta Veterinaria Hungarica
Authors: Vera Faigl, Mónika Keresztes, Alíz Márton, Hedvig Fébel, Margit Kulcsár, Sándor Nagy, Sándor Cseh, László Solti and Gyula Huszenicza

, D. M. (2007): Serum thyroid hormones and performance of offspring in ewes receiving propylthiouracil with or without melatonin. Anim. Reprod. Sci. 100 , 32–43. Hallford D. M

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Acta Veterinaria Hungarica
Authors: Margit Kulcsár, Gabriella Dankó, H. G. I. Magdy, J. Reiczigel, T. Forgach, Angella Proháczik, Carole Delavaud, K. Magyar, Y. Chilliard, L. Solti and Gy. Huszenicza

. Statistical Methods Prior, R. L. and Christenson, R. K. (1978): Insulin and glucose effects on glucose metabolism in pregnant and non-pregnant ewes. J. Anim. Sci. 46 , 201

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Acta Veterinaria Hungarica
Authors: Margit Kulcsár, Gabriella Dankó, Carole Delavaud, C. Mircu, Anna J. Nikolic, A. Gáspárdy, H. Cernescu, Y. Chilliard, S. Cseh, P. Rudas and Gy. Huszenicza

McFadin, E. L., Morrison, C. D., Buff, P. R., Whitley, N. C. and Keisler, D. H. (2002): Leptin concentrations in periparturient ewes and their subsequent offspring. J. Anim. Sci. 80 , 738-743. Leptin concentrations in

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. Crosby , T. F. ( 1993 ): Superovulation in sheep: the effects of pFSH type and ewe breed . Theriogenology 39 , 205 . Cseh , S. ( 1984 ): Successful transfer of deep-frozen sheep embryos

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–83 567 581 Kastelic, J. P., Cook, R. B., McMahon, R. L., McAllister, T. A., McClelland, A. L. and Cheng, J. K. (1996): Induction of parturition in ewes with dexamethasone or

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Acta Veterinaria Hungarica
Authors: Theodora Tsiligianni, Irene Valasi, Sándor Cseh, Emmanuel Vainas, Vera Faigl, Fotini Samartzi, Thomas Papanikolaou, Eleni Dovolou and Georgios Amiridis

implants during the seasonal anestrus on embryo production after superovulation in aged high-prolificacy Rasa Aragonesa ewes. Theriogenology 65 , 356–365. Casao A. The effect of

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Acta Veterinaria Hungarica
Authors: Janina Skipor, Aleksandra Szczepkowska, Marta Kowalewska, Andrzej Herman and Paweł Lisiewski

Herman, A. P. and Tomaszewska-Zaremba, D. (2010): Effect of endotoxin on the expression of GnRH and GnRHR genes in the hypothalamus and anterior pituitary gland of anestrous ewes. Anim. Reprod. Sci. 120 , 105

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In this study, Staphylococcus aureus strains (n = 110) isolated from seven ewe flocks in Sanliurfa, Turkey were screened for antibiotic resistance and biofilmforming ability as well as for genes associated with antibiotic resistance and biofilm-forming ability. All isolates were found to be susceptible to oxacillin, gentamicin, clindamycin, cefoxitin, tetracycline, vancomycin, amoxicillin-clavulanic acid, ciprofloxacin and sulphamethoxazole-trimethoprim. The percent proportions of strains resistant to penicillin G, ampicillin and erythromycin were 27.2% (n = 30), 25.4% (n = 28) and 6.3% (n = 7), respectively. Regarding the antibiotic resistance genes, 32 (29%) isolates carried the blaZ and 8 (7.2%) the ermC gene. Other resistance genes were not detected in the isolates. All isolates showed biofilm-forming ability on Congo red agar (CRA), while 108 (98.18%) and 101 (91.81%) of them were identified as biofilm producers by the use of standard tube (ST) and microplate (MP) methods, respectively. All isolates carried the icaA and icaD genes but none of them harboured the bap gene. The results demonstrated that S. aureus isolates from gangrenous mastitis were mainly resistant to penicillins (which are susceptible to the staphylococcal beta-lactamase enzyme), and less frequently to erythromycin. Furthermore, all of the S. aureus isolates produced biofilm which was considered a potential virulence factor in the pathogenesis of staphylococcal mastitis.

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Acta Veterinaria Hungarica
Authors: Tímea Milisits-Németh, Orsolya Gabriella Balogh, István Egerszegi, László Kern, R. Garth Sasser and György Gábor

. , Aitken , R. P. , Cheyne , M. A. and Humblot , P. ( 1997 ): Pregnancy-specific protein B and progesterone concentrations in relation to nutritional regimen, placental mass and pregnancy outcome in growing adolescent ewes carrying singleton fetuses

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