Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Georgios E. Valergakis"'
Autor:
Georgios C. Kitkas, Georgios E. Valergakis, Maria Kritsepi-Konstantinou, Athanasios I. Gelasakis, Panagiotis D. Katsoulos, Emmanouil Kalaitzakis, Nikolaos K. Panousis
Publikováno v:
Ruminants, Vol 2, Iss 4, Pp 382-389 (2022)
Ruminal pH in dairy cows follows a diurnal fluctuation; low values are indicative of subacute ruminal acidosis and are associated with alterations of rumen fatty acids concentrations. The objective of the present study was to prospectively study the
Externí odkaz:
https://doaj.org/article/0e05820d6a9b4b14be6a6fea7b2533fd
Autor:
Aikaterini Soufleri, Georgios Banos, Nikolaos Panousis, Alexandros Kougioumtzis, Vangelis Tsiamadis, Georgios Arsenos, Georgios E. Valergakis
Publikováno v:
Animals, Vol 13, Iss 3, p 366 (2023)
The objective was to estimate the genetic parameters of serum total protein concentration in newborn calves (calfSTP) and post parturient dairy cows (cowSTP). The study included 1013 calves and 989 cows from 10 dairy farms. Calf blood samples were co
Externí odkaz:
https://doaj.org/article/38f30dc772c4487496cde54cedbb9af3
Autor:
Panagiota Kazana, Nektarios Siachos, Nikolaos Panousis, Anatoli Petridou, Vasilis Mougios, Georgios E. Valergakis
Publikováno v:
Animals, Vol 12, Iss 7, p 894 (2022)
Two hundred and forty-three clinically healthy Holstein calves from eight commercial dairy farms were used to: (a) describe the evolutionary course of ruminal VFA concentration and pH during the peri-weaning period and (b) assess management factors a
Externí odkaz:
https://doaj.org/article/98e103d3545647f68910ca361a86f979
Autor:
Aikaterini Soufleri, Georgios Banos, Nikolaos Panousis, Dimitrios Fletouris, Georgios Arsenos, Alexandros Kougioumtzis, Georgios E. Valergakis
Publikováno v:
Animals, Vol 11, Iss 7, p 2005 (2021)
The objective of this study was to conduct a large-scale investigation of colostrum composition and yield and an evaluation of factors affecting them. In this study, 1017 clinically healthy Holstein cows from 10 farms were used. The colostrum TS were
Externí odkaz:
https://doaj.org/article/6c338d74547e438ca2d3e199f930bc27
Autor:
Nektarios Siachos, Georgios Oikonomou, Nikolaos Panousis, Georgios Banos, Georgios Arsenos, Georgios E. Valergakis
Publikováno v:
Animals, Vol 11, Iss 3, p 818 (2021)
Most cows experience a period of nutrient deficit during the periparturient period. Body condition scoring (BCS) is widely used on farms to assess body nutrient reserves and mobilization. The aims of this study were to: (i) determine the association
Externí odkaz:
https://doaj.org/article/d7c6d55d32f340bebe7b62d404223bd8
Autor:
Vangelis Tsiamadis, Alexandros Kougioumtzis, Nektarios Siachos, Nikolaos Panousis, Maria Kritsepi‐Konstantinou, Georgios E. Valergakis
Publikováno v:
Veterinary Clinical Pathology. 51:134-145
Dairy cows face precipitous metabolic adaptations during the first postpartum week. Increasing knowledge of their hematologic profiles during this period could benefit both veterinary clinical pathologists and bovine practitioners. The objectives of
Autor:
Aikaterini Soufleri, Nikolaos Panousis, Georgios E. Valergakis, Geogios Arsenos, Georgios Banos, Dimitrios J. Fletouris
Publikováno v:
Soufleri, A, Banos, G, Panousis, N, Fletouris, D, Arsenos, G & Valergakis, G E 2019, ' Genetic parameters of colostrum traits in Holstein dairy cows ', Journal of Dairy Science . https://doi.org/10.3168/jds.2019-17054
The main objective of this study was to assess the genetic background of colostrum yield and quality traits after calving in Holstein dairy cows. The secondary objective was to investigate genetic and phenotypic correlations among laboratory-based an
Autor:
Alexandros Kougioumtzis, Georgios Banos, Aikaterini Soufleri, Georgios E. Valergakis, Georgios Arsenos, Nikolaos Panousis, Dimitrios J. Fletouris
Publikováno v:
Animals
Volume 11
Issue 7
Scotland's Rural College
Animals, Vol 11, Iss 2005, p 2005 (2021)
Volume 11
Issue 7
Scotland's Rural College
Animals, Vol 11, Iss 2005, p 2005 (2021)
The objectives of this study were: (i) to conduct a large-scale investigation of colostrum composition and yield and an evaluation of factors affecting them and (ii) to explore whether colostrum IgG content and total solids (TS) measurements from a B
Publikováno v:
Tropical Animal Health and Production. 51:2431-2436
Individual milk urea nitrogen (MUN) levels ≥ 19.63 mg/dL have been recently reported to significantly affect fertility. The objectives of the present study were to (a) predict the percentage of cows with elevated MUN within a herd using bulk tank (