2010 Cilt 29 Sayı 2

Permanent URI for this collectionhttps://hdl.handle.net/11452/13939

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Browsing by Author "Kasap, Sevim"

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    Clinical and biochemical evaluation of cows occurring severe weight loss after calving
    (Uludağ Üniversitesi, 2010-04-05) Şentürk, Sezgin; Mecitoğlu, Zafer; Temizel, Mutlu; Cihan, Hüseyin; Kasap, Sevim; Demir, Gülşah; Uludağ Üniversitesi/Veteriner Fakültesi.
    This study was designed to observe the biochemical and clinical changes in Holstein cows suffering from severe weight loss after calving. Clinically, out of the 75 milking cows in the first 8 week postpartum examined, 25 cows aged 4– 8 years were found to be suffering from decreased milk production, severe body weight loss. 25 healthy cows in the same period after calving, aged 4 – 8 years, were also used as a control group. Serum biochemistry analyses including potassium (K), sodium ( Na), calcium (Ca), phosphorus (P), magnesium (mg), albumin, alkaline phosphatase (ALP), gamma-glutamyltransferase (GGT), aspartate aminotransferase (AST), total biluribin, (TBIL) total protein (TP), creatinine (Cre), blood urea nitrogen (BUN), and β-Hydroxybutyrate (BHBA) were evaluated. Body condition score (BCS) of 17 of 25 cows, severe weight loss after calving cows, was ≤ 2.0 and BCS of 8 cows was between 2.0 and 3.0. BCS of Animals in the control group were determined as range: 3.5 -4.0. Endometritis in 11 cows, subclinical mastitis in 8 cows, clinical ketosis in 5 cows, sub clinical ketosis in 20 cows, and left displaced abomasum in 3 cows were determined. Identical points of 25 animals were higher BHB, GGT, AST, total globulin, and total protein levels according to healthy cows and references values. In addition, these cows had hypoalbunemi and hypocalcaemia, when compared with healthy cows. The results of the study reported here indicated that metabolic profile including serum BHBA, calcium, albumin, GGT, AST, total protein, should be evaluated to determine the causes of severe weight loss, and decreased yield in cows after calving.