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Background: Here we investigate whether the composition and some chemical properties of milk can correlate with bacterial species causing subclinical mastitis in cows.Methods: One hundred and eighty cows were used in the study. The California Mastitis Test (CMT) was applied to the selected cows. The cows were divided into four groups: cows with negative CMT (n45), the Escherichia coli (n45), Streptococcus agalactiae (n45) and Staphylococcus aureus (n45) groups.Result: Milk composition and some chemical properties were measured. The highest fat ratio (5.82 /- 0.34) was found in the Escherichia ...Более
Bu çalışmanın amacı küçük ölçekli işletmelerde yetiştirilen farklı ırk ineklerde mastitis prevalansı, bu işletmelerden elde edilen süt örneklerinde bakteri üreme oranları ve süt bileşenine etki eden faktörlerin araştırılmasıdır. Bu çalışmada farklı ırklardan (Simental, Montofon ve Holstein) yaşları 2-8 arasında değişen, primipar ve multipar olan 211 inek kullanıldı. California Mastitis Test (CMT) sonucuna göre, 150 inek pozitif reaksiyon verirken (%71,09), 61 inek ise CMT negatif (-) reaksiyon verdi (%28,91). Çalışmada kullanılan 211 ineğe ait 844 meme lobundan 16 meme lobu kör olduğu için çal ...Более
Background: Mastitis is a mammary gland inflammation that is very common worldwide, mostly caused by bacteria, and causes enormous economic losses. Many microorganisms cause this disease. The most common causes of mastitis by these microorganisms are Staphylococcus aureus (S. aureus), Escherichia coli (E. coli) and Streptococcus agalactiae (S. agalactiae). The anti-inflammatory properties of transforming growth factor (TGF)-beta include: 1) limiting interferon (IFN)-gamma production; 2) increasing the expression of the interleukine (IL)-1 receptor antagonist; 3) inhibiting macrophage productio ...Более