Changes in the Hematological Profile of Holstein Primiparous in Periparturient Period and in Early to Mid Lactation

Constantin Găvan, Costică Retea, Vergil Motorga

Abstract


Blood samples were collected from 25 primiparous Holstein cows divided in three groups (precalving, fresh cows and cows in early to mid lactation). The samples were analyzed for hematological parameters including red cell count (RBC), white cell count (WBC), hemoglobin concentration (HGC), hematocrit (HCT), mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH) and mean corpuscular hemoglobin concentrations MCHC. The results revealed that the values of RBC, HGC and HCT decreased after parturition and them increased again in early to mid lactation. The slight changes in concentrations of HGB, RBC counts, decreased HCT, MCV and MCH sugest iron deficiency. The high WBC count in early to mid lactation of primiparous cows may be related to chronic infections.


Keywords


Hematological profile; Primiparous Holstein cow; Erythrocitic indices; Leukocytic indices

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LUCRARI STIINTIFICE ZOOTEHNIE SI BIOTEHNOLOGII (SCIENTIFIC PAPERS ANIMAL SCIENCE AND BIOTECHNOLOGIES)

ISSN print 1841 - 9364
ISSN online 2344 - 4576
ISSN-L  1841 - 9364
(former ISSN 1221-5287, E-ISSN 1841-9364)

PUBLISHER: AGROPRINT Timisoara, Romania
PAPER ACCESS: Full text articles available for free
FREQUENCY: Semiannual
PUBLICATION LANGUAGE: English
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Banat´s University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania" from Timisoara
Faculty of Animal Science and Biotechnologies
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