Πλοήγηση ανά Συγγραφέα "Kritas, S. K."
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Antimicrobial susceptibility and genetic relatedness of Salmonella enterica subsp enterica serovar Mbandaka strains, isolated from a swine finishing farm in Greece
Filioussis, G.; Petridou, E.; Johansson, A.; Christodoulopoulos, G.; Kritas, S. K. (2008)The current study investigated the antimicrobial susceptibility of Salmonella enterica subsp. enterica serovar Mbandaka ( Salmonella Mbandaka) isolated from finishing swines in Greece. Pulsed-field gel electrophoresis ... -
Aujeszky's Disease (Pseudorabies). An old threat in current pig industry? Part I. Pathogenetic information and implications
Papageorgiou, K. V.; Burriel, A. R.; Filioussis, G.; Psychas, V.; Nauwynck, H. J.; Kritas, S. K. (2011)Aujeszky's disease (AD) (or pseudorabies) is an important viral disease of swine causing neurological signs in neonatal pigs, respiratory problems in fatteners and reproductive disorders in breeding stock. Glycoproteins ... -
Aujeszky's Disease (Pseudorabies). An old threat in current pig industry? Part II. Epidemiology, Immunity, Prevention and the current situation in Greece
Papageorgiou, K. V.; Burriel, A. R.; Filioussis, G.; Christodoulopoulos, G.; Nauwynck, H. J.; Kritas, S. K. (2011)Aujeszky's disease (AD) (or pseudorabics) is an important viral disease of swine causing neurological signs in neonatal pigs, respiratory problems in fatteners and reproductive disorders in breeding stock. Swine is the ... -
Effect of Bacillus licheniformis and Bacillus subtilis supplementation of ewe's feed on sheep milk production and young lamb mortality
Kritas, S. K.; Govaris, A.; Christodoulopoulos, G.; Burriel, A. R. (2006)The purpose of this pilot study was to evaluate under field conditions the effect of a probiotic containing Bacillus licheniformis and Bacillus subtilis on young lamb mortality and sheep milk production when administered ... -
The effects of the periodical use of in-feed chlortetracycline on the reproductive performance of gilts and sows of a commercial pig farm with a history of clinical and subclinical viral and bacterial infections
Alexopoulos, C.; Fthenakis, G. C.; Burriel, A.; Bourtzi-Hatzopoulou, E.; Kritas, S. K.; Sbiraki, A.; Kyriakis, S. C. (2003)The objective of this study was to assess the effects of in-feed chlortetracycline (CTC) as a measure of preventing or minimizing infectious problems of reproductive failure in gilts and sows. In a farm of 400 Large White ... -
Efficacy of an inactivated aqueous vaccine for the control of enzootic pneumonia in pigs infected with Mycoplasma hyopneumoniae
Tzivara, A.; Kritas, S. K.; Bourriel, A. R.; Alexopoulos, C.; Kyriakis, S. C. (2007)The efficacy of an inactivated aqueous vaccine against Mycoplasma hyopneumoniae was evaluated at two M hyopneumoniae-infected farrow-to-finish commercial farms (A and B) in Greece. In a prospective, randomised double-blind ... -
Evaluation of probiotics as a substitute for antibiotics in a large pig nursery
Kritas, S. K.; Morrison, R. B. (2005) -
Evaluation of toyocerin, a probiotic containing Bacillus toyoi spores, on health status and productivity of weaned, growing and finishing pigs
Kyriakis, S. C.; Georgoulakis, I.; Spais, A.; Alexopoulos, C.; Miliotis, C. C.; Kritas, S. K. (2003)The aim of the study was to assess the efficacy of Toyocerin, a probiotic containing Bacillus toyoi spores, on the health status and productivity of pigs, during nursery, growing and finishing phases. On a commercial ... -
Field Evaluation of a Bioregulator Containing Live Bacillus cereus Spores on Health Status and Performance of Sows and their Litters
Alexopoulos, C.; Karagiannidis, A.; Kritas, S. K.; Boscos, C.; Georgoulakis, I. E.; Kyriakis, S. C. (2001)The efficacy of Paciflor, a bioregulator containing live Bacillus cereus CIP 5832 spores, was assessed in sows during late pregnancy and lactation, as well as in their piglets up to the growing phase. Two groups each of ... -
Field evaluation of a live vaccine against porcine reproductive and respiratory syndrome in fattening pigs
Mavromatis, I.; Kritas, S. K.; Alexopoulos, C.; Tsinas, A.; Kyriakis, S. C. (1999)A live vaccine based on a European isolate of porcine reproductive and respiratory syndrome virus (Porcilis PRRS) was tested in this study in order to determine the protection of fattening pigs against the respiratory form ... -
Field evaluation of the effect of in-feed doxycycline for the control of ileitis in weaned piglets
Kyriakis, S. C.; Bourtzi-Hatzopoulou, E.; Alexopoulos, C.; Kritas, S. K.; Polyzopoulou, Z.; Lekkas, S.; Gardey, L. (2002)The aim of this trial was to evaluate the effect of in-feed doxycycline (DOXY) on the control of ileitis in weaned piglets. On a farm with a previous history of ileitis outbreaks, 288 piglets at the age of weaning (25 ± 2 ... -
Field evaluation of the efficacy of a probiotic containing Bacillus licheniformis and Bacillus subtilis spores, on the health status and performance of sows and their litters
Alexopoulos, C.; Georgoulakis, I. E.; Tzivara, A.; Kritas, S. K.; Siochu, A.; Kyriakis, S. C. (2004)The aim of this study was to assess the efficacy of BioPlus 2B, a problotic containing Bacillus licheniformis and Bacillus subtilis spores, on the health status and productivity of sows and their litters. A total of 109 ... -
Future directions in the European Union for veterinary education as related to food-producing animals, with special reference to Greece
Kyriakis, S. C.; Alexopoulos, C.; Tassis, P. D.; Tzika, E. D.; Kritas, S. K.; Burriel, A. R. (2004)During the past 50 years, procedures for raising food-producing animals have changed. Intensification of food production was necessary to keep prices low and to fulfill market demands for the continuously increasing worldwide ... -
Influence of oestrus on the heat stability and other characteristics of milk from dairy goats
Christodoulopoulos, G.; Solomakos, N.; Katsoulos, P. D.; Minas, A.; Kritas, S. K. (2008)We examined the heat stability, somatic cell count (SCC), pH, fat, protein and lactose content of milk from goats during the oestrous period, in order to investigate evidence of possible oestrus effects on milk physical ... -
Leptospirosis: An important re-emerging infection of animals and man
Bisias, G.; Kritas, S. K.; Burriel, A.; Kontos, V. (2010)Leptospirosis, a re-emerging infection of animals and man, is caused by one of 200 serotypes of Leptospira spp. The genus is currently divided into eight pathogenic species, infecting various animal species and man, either ... -
Leukocyte counts in bronchoalveolar lavage fluid obtained from normal and Maedi-Visna-infected sheep
Katsoulos, P. D.; Christodoulopoulos, G.; Kontopidis, G.; Minas, A.; Tzivara, A.; Kritas, S. K. (2009)Background Bronchoalveolar lavage has proven helpful for the diagnosis of certain ovine diseases of the lungs. There is insufficient data concerning the leukocyte profile of bronchoalveolar lavage fluid (BALF) from MaediVisna ... -
Neural invasion of two virulent Suid Herpesvirus 1 strains in neonatal pigs with or without maternal immunity
Kritas, S. K.; Pensaert, M. B.; Nauwynck, H. J.; Kyriakis, S. C. (1999)The neural invasion of two virulent Suid Herpesvirus 1 (SHV1) strains was examined in neonatal pigs with or without maternal immunity. One-week-old pigs with comparable levels of maternal immunity (SN-titer = 12-48) were ... -
An observational study on tail biting in commercial grower-finisher barns
Kritas, S. K.; Morrison, R. B. (2004)Objectives: To describe the prevalence of bitten tails and determine risk factors at pig and pen level in barns with a history of high incidence of tail biting. Methods: In two finishing barns, prevalence and severity of ... -
Occurrence, virulence genes and antibiotic resistance of Escherichia coli O157 isolated from raw bovine, caprine and ovine milk in Greece
Solomakos, N.; Govaris, A.; Angelidis, A. S.; Pournaras, S.; Burriel, A. R.; Kritas, S. K.; Papageorgiou, D. K. (2009)The examination of 2005 raw bovine (n = 950), caprine (n = 460) and ovine (n = 595) bulk milk samples collected throughout several regions in Greece for the presence of Escherichia coli serogroup O157 resulted in the ... -
An outbreak of caprine meningoencephalitis due to Escherichia coli O157:H7
Filioussis, G.; Petridou, E.; Karavanis, E.; Giadinis, N. D.; Xexaki, A.; Govaris, A.; Kritas, S. K. (2013)Five 1-month-old kid goats from a local herd in Kozani (northwest Greece) developed neurological disorders characterized by decreased appetite, ataxia, and head pressing. The animals received a 3-day course of treatment ...