Düvelerde vajinal akıntıların bakteriyolojik değerlendirilmesi

Öz

İneklerde reprodüktif bozukluklar, üreme verimliliğinin azalmasının ana belirleyici faktörüdür. Dünyada olduğu gibi ülkemizde de süt üretimindeki ekonomik kayıpların en önemli nedeni üreme sistemi enfeksiyonlarıdır. Enfeksiyon kaynaklı infertilitenin büyük bir bölümüne bakteriyel etkenler neden olur. Bu çalışma, 56 adet Holstein ırkı düvede 3 grup halinde yürütülmüştür. Grup I; bulanık ve irinli çara akıntısı olan 12 (%21.4) düve, Grup II; repeat breeder (döl tutmayan) 9 (%16,1) düve, Grup III; normal çara akıntısı görülen tohumlama yapılmamış 35 (% 62,5) düveden oluşmaktadır. Çalışma gruplarında düvelerin vajinasında kolonize olan bakterileri tespit etmek ve baskın bakteri gruplarında antibiyotik duyarlılığını belirlemek amaçlanmaktadır. Çalışma gruplarına dahil düvelerin vajinal akıntılardan 82 bakteri tespit edilmiştir. Yirmialtı (%31,7) Escherichia col (E. coli), 10 (%12.2) Staphylococcus aureus (S. aureus), 9 (% 11.1) Streptococcus uberis (S. uberis), 7 (%8,5) Staphylococcus epidermidis (S. epidermidis), 5 (%6,1) Stenotrophomonas maltophilia (S. maltophilia) ve 10 (% 30,4) farklı bakteri izole edilmiştir. İneklerde infertiliteye neden olan, E. coli, S. aureus, S. uberis, S. epidermidis ve S. maltophilia etkenlerine karşı 8 antibiyotiğin duyarlılığı antibiyogramla incelenmiştir. Sonuç olarak, düvelerden izole edilen bakteriler gruplar arasında farklılık gösterse de en baskın etkenin Escherichia coli olduğu ve Escherichia coli’ye karşı gentamisin ve seftiofur’un %100 etki gösterdiği belirlenmiştir.

Anahtar Kelimeler

• Antibiyogram
• Bakteri
• Düve
• Reprodüktif bozukluk

Bacteriological evaluation of vaginal discharges in heifers

Öz

Reproductive disorders in cows are the main determinant of reduced reproductive efficiency. Reproductive system infections are the most important cause of economic losses in milk production in our country as in the world. Bacterial agents are responsible for most of the infection-induced infertility. This study was carried out in 3 groups of 56 Holstein heifers. Group were as follows; Group 1: 12 (21.4%) heifers with turbid and purulent cherries, Group II: repeat breeder (non-breeding) 9 (16.1%) heifers, Group III; 35 inseminated (62.5%) heifers with normal chervil discharge. It is aimed to detect the bacteria colonizing the vagina of heifers in the study groups and to determine the antibiotic susceptibility in the dominant bacterial groups. Eighty-two bacteria were determined from the vaginal discharges of the heifers included in the study group. Twenty-six (31.7%) Escherichia coli, 10 (12.2%) Staphylococcus aureus, 9 (11.1%) Streptococcus uberis, 7 (8.5%) Staphylococcus epidermidis, 5 (6.1%) Stenotrophomonas maltophilia, and 10 (%) 30,4) different bacteria were isolated. Susceptibility of 8 antibiotics against Escherchia coli, Staphylococcus aureus, Streptococcus uberis, Staphylococcus epidermidis and Stenotrophomonas maltophilia causing fertility in cows, were examined by antibiogram. As a result, although the bacteria isolated from heifers differed among the groups, it was determined that Escherichia coli was the most dominant bacteria and gentamicin and ceftiofur exhibited 100% antibacterial effect against Escherichia coli.

Anahtar Kelimeler

• Antibiogram
• Bacteria
• Heifer
• Reproductive disorder

Kaynakça

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