Parcourir par auteur "Karatzias, H."
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Consequences of reduced vitamin A administration on mammary health of dairy ewes
Koutsoumpas, A. T.; Giadinis, N. D.; Petridou, E. J.; Konstantinou, E.; Brozos, C.; Lafi, S. Q.; Fthenakis, G. C.; Karatzias, H. (2013)The study was carried out in Mytilene breed dairy ewes, which were allocated into two groups, 2 months before their first mating. All animals were given a diet based on dried alfalfa hay and concentrate compound feed with ... -
Effects of In-Feed Inclusion of Clinoptilolite on Blood Serum Concentrations of Aluminium and Inorganic Phosphorus and on Ruminal Ph and Volatile Fatty Acid Concentrations in Dairy Cows
Karatzia, M. A.; Pourliotis, K.; Katsoulos, P. D.; Karatzias, H. (2011)The experiment investigated the effects of the dietary inclusion of 200 g of the natural zeolite, clinoptilolite on the blood serum concentrations of aluminium (Al) and inorganic phosphorus (P) as well as on the ruminal ... -
Illthrift in suckling lambs secondary to umbilical infections and possible implication of cryptosporidiosis as a risk factor
Giadinis, N. D.; Papadopoulos, E.; Loukopoulos, P.; Panousis, N.; Kalaitzakis, E.; Koutsoumpas, A.; Karatzias, H. (2011)Illthrift was observed in 20/60 lambs aged 40-45 days in a dairy sheep flock in Greece. Cryptosporidiosis had been diagnosed and successfully treated with halofuginone lactate a month earlier. Parasitological examinations ... -
"Milk-drop syndrome of ewes": Investigation of the causes in dairy sheep in Greece
Giadinis, N. D.; Arsenos, G.; Tsakos, P.; Psychas, V.; Dovas, C. I.; Papadopoulos, E.; Karatzias, H.; Fthenakis, G. C. (2012)"Milk-drop syndrome of ewes" is defined as a pathological entity at flock level and a syndrome characterized by reduced milk yield of lactating ewes, with no clinical signs specific to a disease. Concurrent presence of the ... -
Moxidectin efficacy in a goat herd with chronic and generalized sarcoptic mange
Giadinis, N. D.; Farmaki, R.; Papaioannou, N.; Papadopoulos, E.; Karatzias, H.; Koutinas, A. F. (2011)A case of sarcoptic mange affecting almost all the animals of a dairy goat herd is described. This pruritic skin disease led progressively to high mortality and dramatic drop of milk yield. The lesions of the affected goats ... -
Prevention of scours in neonatal kids after modification of management and experimental vaccination against Escherichia coli
Kritas, S. K.; Burriel, A. R.; Tzivara, A. H.; Govaris, A.; Kyriakis, S. C.; Karatzias, H.; Vlemmas, J. (2003)The purpose of this study was to evaluate under field conditions, the role that right management and vaccination against Escherichia coli plays in the prevention of neonatal kid diarrhoea. To meet this objective, a goat ... -
Prevention of scours in neonatal kids after oral administration of an organic acid solution or antibiotics
Kritas, S. K.; Burriel, A. R.; Tzivara, A. H.; Kyriakis, S. C.; Karatzias, H.; Vlemmas, J. (2002)The efficacy of an organic acid solution in the prevention of neonatal kid diarrhoea, was examined in this study and was compared with that of different antibiotics. In a goat farm, kids and their mothers were divided in ... -
Selenium concentration in blood and hair of Holstein dairy cows
Christodoulopoulos, G.; Roubies, N.; Karatzias, H.; Papasteriadis, A. (2003)Four-hundred Holstein cows in 40 dairy farms in north Greece were included in this study, and blood (n=400), black hair (n=400), white hair (n=40), and feed (n=40) samples were obtained. Although the feeding regime in these ...