Πλοήγηση ανά Συγγραφέα "Fthenakis, G. C."
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Diagnosis of clinical or subclinical mastitis in ewes
Fragkou, I. A.; Boscos, C. M.; Fthenakis, G. C. (2014)Objectives of this paper are to review (i) diagnostic methods and procedures available for clinical or subclinical mastitis in ewes and (ii) applications of these procedures in the diagnosis of mastitis. Early and correct ... -
Diagnostic investigation of cases of deaths of newborn lambs
Fragkou, I. A.; Mavrogianni, V. S.; Fthenakis, G. C. (2010)Neonatal lamb mortality, caused either by disorders of non-infectious aetiology or by pathological conditions of microbial or parasitic aetiology, is defined as the death of newborn lambs during the first 28 days of their ... -
Diagnostic significance of behaviour changes of sheep: A selected review
Gougoulis, D. A.; Kyriazakis, I.; Fthenakis, G. C. (2010)Sheep welfare is the combination of subjective and objective (qualitative and quantitative) aspects of the conditions of life of animals, including health and disease, behaviour. husbandry and management; thus, it is a ... -
Differences in susceptibility to Mannheimia haemolytica-associated mastitis between two breeds of dairy sheep
Fragkou, I. A.; Skoufos, J.; Cripps, P. J.; Kyriazakis, I.; Papaioannou, N.; Boscos, C. M.; Tzora, A.; Fthenakis, G. C. (2007)We used a Mannheimia haemolytica isolate to study differences in susceptibility to experimental mastitis between two breeds of dairy sheep. The isolate was deposited into the teat duct of Karagouniko (K, n=8) or Frisarta ... -
Differential diagnosis of neurological diseases of small ruminants
Giadinis, N. D.; Polizopoulou, Z. S.; Fthenakis, G. C. (2013)Objective of the present review is the description of diagnostic approach in neurological cases in small ruminants. To improve description purposes in the present paper, neurological disorders of small ruminants are ... -
Dissemination of parasites by animal movements in small ruminant farms
Vasileiou, N. G. C.; Fthenakis, G. C.; Papadopoulos, E. (2015)The present paper discusses the spread of parasites by animal movements in small ruminant farms; it focuses in dissemination of parasitic forms that would lead to subsequent infection of sheep or goats. Systems of small ... -
The effect of experimentally induced subclinical mastitis on the milk yield of dairy ewes
Saratsis, P.; Alexopoulos, C.; Tzora, A.; Fthenakis, G. C. (1999)In each of the two experiments, subclinical mastitis was induced by inoculating both mammary glands of Karagouniko and of Chios-cross ewes with a Staphylococcus epidermidis. After inoculation, the somatic cell counts of ... -
The effect of repeated follicular aspiration on the onset of puberty and growth rate of winter- or autumn-born lambs
Valasi, I.; Fthenakis, G. C.; Prassinos, N. N.; Menegatos, I.; Grigoropoulou, V.; Deligiannis, C.; Vainas, E.; Amiridis, G. S. (2009)The effects of follicular aspiration for oocyte retrieval on the attainment of puberty and growth rate were studied in winter-born (9 treated and 6 control) and autumn-born (5 treated and 5 control) ewe lambs. In the treated ... -
Effects of chlortetracycline administration on the health status and performance of sows: Results of a field trial
Sbiraki, A. P.; Saoulidis, K.; Kyriakis, S. C.; Saratsis, P.; Alexopoulos, C.; Fthenakis, G. C. (2003)Objectives: To investigate the effects of in-feed chlortetracycline (CTC) during lactation on health status and reproductive performance of gilts or sows in a herd with a history of porcine reproductive and respiratory ... -
Effects of drying-off procedure of ewes' udder in subsequent mammary infection and development of mastitis
Petridis, I. G.; Mavrogianni, V. S.; Fragkou, I. A.; Gougoulis, D. A.; Tzora, A.; Fotou, K.; Skoufos, I.; Amiridis, G. S.; Brozos, C.; Fthenakis, G. C. (2013)Objective of the study was to evaluate effects of the procedure followed for udder drying-off (i.e., progressive or abrupt cessation of lactation) in subsequent mammary infection and development of mastitis. In ewes of ... -
Effects of drying-off procedure of ewes' udder, with intramammary antibiotic administration, in subsequent mammary infection and development of mastitis
Petridis, I. G.; Mavrogianni, V. S.; Gougoulis, D. A.; Amiridis, G. S.; Brozos, C.; Fthenakis, G. C. (2012)Objective of the study was to evaluate effects of the procedure followed for drying-off of ewes' udder in subsequent mammary infection and development of mastitis, in an experiment, where intramammary antibiotic administration ... -
Effects of experimental challenge of ewes with Mannheimia haemolytica on subsequent milk composition
Fragkou, I. A.; Solomakos, N.; Dagleish, M. P.; Cripps, P. J.; Papaioannou, N.; Boscos, C. M.; Ververidis, H. N.; Billinis, C.; Orfanou, D. C.; Govaris, A.; Kyriazakis, I.; Fthenakis, G. C. (2008)The objective was to describe the physicochemical changes during the early phase of subclinical mastitis and to associate them with pathological findings. A Mannheimia haemolytica strain was deposited into one teat duct ... -
Effects of hand milking on the bacterial flora of mammary gland and teat duct of ewes
Mavrogianni, V. S.; Cripps, P. J.; Tzora, A.; Skoufos, I.; Fthenakis, G. C. (2006) -
Effects of hand-milking on bacterial flora of teat duct of ewes
Mavrogianni, V. S.; Cripps, P. J.; Tzora, A.; Skoufos, I.; Fthenakis, G. C. (2006) -
The effects of inoculation of Mannheimia haemolytica into the teat of lactating ewes
Mavrogianni, V. S.; Fthenakis, G. C.; Brooks, H.; Papaioannou, N.; Cripps, P. J.; Taitzoglou, I.; Brellou, G.; Saratsis, P. (2005)The objectives of the work described in this paper were: (i) to study the outcome of challenging ewes with Mannheimia haemolytica, at different sites of their teats, (ii) to compare the effects of two different isolates ... -
Effects of lamb sucking on the bacterial flora of teat duct and mammary gland of ewes
Gougoulis, D. A.; Kyriazakis, I.; Tzora, A.; Taitzoglou, I. A.; Skoufos, J.; Fthenakis, G. C. (2008)We aimed (i) to determine differences in bacterial flora of teat duct and mammary gland of ewes before and after suckling, (ii) to evaluate factors potentially affecting those. We collected samples of teat duct material ... -
Effects of retention of fetal membranes on subsequent reproductive performance of dairy ewes
Fthenakis, G. C. (2004)Seventy-one pairs of ewes with or without retention of fetal membranes in the previous lambing season, were included in a cohort study of 25 flocks in southern Greece; in 27 pairs regulation of the breeding cycle was ... -
Effects of sarcoptic mange on the reproductive performance of ewes and transmission of Sarcoptes scabiei to newborn lambs
Fthenakis, G. C.; Karagiannidis, A.; Alexopoulos, C.; Brozos, C.; Papadopoulos, E. (2001)In each of two experiments, the reproductive performance of ewes naturally infested with sarcoptic mange and of uninfested ewes was assessed in in-season natural breeding conditions (experiment I) or in out-of-season ... -
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 ... -
Effects of three anthelmintic regimes on milk yield of ewes and growth of lambs
Fthenakis, G. C.; Papadopoulos, E.; Himonas, C. (2005)Forty ewes were allocated into one of four groups (n = 10) and were treated with albendazole (ALB) (3.8 mg kg(-1)) before lambing (group A), with ALB before and after lambing (group B), with moxidectin (MXD) (0.2 mg kg(-1)) ...