2023 Cilt 42 Sayı 1

Permanent URI for this collectionhttps://hdl.handle.net/11452/41030

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Browsing by Author "0000-0002-2465-9913"

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    Comparison of beta-hydroxybutyrate levels in the first three weeks after calving in four healthy different breeds of cows
    (Bursa Uludağ Üniversitesi, 2023-01-18) CİHAN, HÜSEYİN; KASAP, SEVİM; ŞENTÜRK, SEZGİN; Bursa Uludağ Üniversitesi/Veteriner Fakültesi/İç Hastalıkları Anabilim Dalı; 0000-0003-1544-6438; 0000-0001-9501-9983; 0000-0002-2465-9913
    The objective of this study was to determine the differences between the healthy Holsteın-Friesian, Jersey, Simmental, and Aberdeen Angusbreeds Beta-hydroxybutyrate (BHBA) levels at the first three weeks after calving. The blood samples were collected for analysis between 10-20 days postpartum. In this study, 80 animals were used in different regions in total. BHBA was analyzed by Ketosite® (Ketosite®, Stanbio LabrotoryInc., Boerne, TX USA). Milk fat and protein levels were immediately measured by an electronic milk analyzer (Milkoscan FT1 FOSS Industries, Denmark). Statistical analyses of the study were performed using Sigma Plot 12 (Systat Software Inc., San Lose, CA). The means of BHBA levelswere compared by One Way Anova. As in Holstein cows, blood BHBA levels increased in the early lactation period and also in other breeds. Theresults of this study presented that serum BHBA levels were significantly higher in Holsteın-Friestein cows than in Simmental and AberdeenAngus cows.
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    Comparison of glucose levels in blood samples taken from coccygeal, jugular and mammary vein of cows in lactation
    (Bursa Uludağ Üniversitesi, 2023-01-23) Akgül, Gülşah; Cihan, Hüseyin; Kasap, Sevim; Evci, Fatma Zehra; Şentürk, Sezgin; Bursa Uludağ Üniversitesi/Veteriner Fakültesi/İç Hastalıkları Bölümü; 0000-0003-1544-6438; 0000-0001-9501-9983; 0000-0002-2767-7690; 0000-0002-2465-9913
    Blood glucose level is one of the most commonly used parameters in assessing the energy metabolism in dairy cows. The presented study aimed to compare the glucose concentrations in blood samples taken from the coccygeal vein, jugular vein, and mammary vein from the sameanimals at the same time. Healthy Holstein-Friesian dairy cows (n=25) in their second and third lactation were selected for the study. Theblood samples were taken from the coccygeal vein, jugular vein, and V. subcutanea abdominis (mammary vein) at the same time from eachanimal. To analyze blood glucose, Free Style Optium Blood Glucose Test Strip (Abbott, Istanbul, TURKIYE) was used. In comparison to theblood taken from both the jugular vein and coccygeal vein, glucose levels in blood samples taken from the mammary vein were significantly low (P<0.001). As a result, the determination of glucose levels in blood samples taken from the mammary veins may cause erroneous interpretations.The refore, the mammary vein for blood glucose must not be used as a sampling site.