Seasonal variations in hematological profile of Holstein dairy cows as an indicator for physiological status assessment

M. Mekroud1, N. Arzour-Lakehal1, N.A. Ouchene-Khelifi1,2, N. Ouchene1,2*, A. Titi1, A. Mekroud1 1PADESCA laboratory, Institute of Veterinary Sciences, Road of Guelma 25100 El Khroub, University of Mentouri Brothers, Constantine 1, Algeria 2 Institute of Veterinary Sciences, University
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Changes of the humus status of Pellic Vertisol (FAO) soil type under long-term growing of field crops in a stationary trial without fertilization

V. Koteva1*, S. Kostadinova2 1Institute of Agriculture, 1 Indusrtialna, 8400 Karnobat, Bulgaria 2Department of Agrochemistry and Soil Science, Faculty of Agronomy, Agricultural University, 12 Mendeleev, 4000 Plovdiv, Bulgaria Abstract. This investigation was aimed at determining the c
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