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Uterine Microbial Flora Of Sahiwal Cattle During Oestrus And Its Relayionship With Pregnancy Rate

By: Habib- Ur- Rehman | Prof. Dr. Masood Rabbani.
Contributor(s): Dr. Ali Ahmad Sheikh | Prof. Dr. Nasim.
Material type: materialTypeLabelBookPublisher: 2011Subject(s): Department of MicrobiologyDDC classification: 1293,T Dissertation note: In the present study uterine microbial flora of Sahiwal cattle during oestrus and its relationship with pregnancy rate was determined. According to the results a total of 11 bacterial species were isolated from 50 uterine samples of estrus Sahiwal cattle, maintained at Livestock Production Research Institute (LPRI), Bahardur Nagar, district Okara, Punjab province, Pakistan. The isolates include E. coli, Micrococcus spp., Bacillus spp., Staphylococcus aureus, Staphylococcus epidermidis, Streptococcus spp., Pseudomonas spp., Citrobacter diversus, Salmonella spp., Proteus spp. and Corynebacterium spp. Tabulation of results showed that prevalence of these isolates was different among pregnant and non-pregnant animals. Moreover, E .coli, Micrococcus spp., Bacillus spp., Staphylococcus aureus and Citrobacter diversus are found to be thriving in uterus as normal microbial flora, whereas, Streptococcus spp. isolate as abnormal microbial flora appearing to be having some role in decreasing pregnancy rate. While, Pseudomonas spp., Corynebacterium spp. Staphylococcus epidermidis, Salmonella spp., and Proteus spp. Isolates could not be differentiable as normal and abnormal uterine microbial flora due to insignificant available data. Furthermore, complete blood counts of 50 blood samples of these same animals indicated that those animals harboring isolates like Streptococcus spp., Pseudomonas spp., and Corynebacterium spp. in their uterus, had more likelihood of abnormally increased value of Mean Corpuscular Volume (MCV) than to presence of any other bacteria. But due to lower data of Pseudomonas spp., and Corynebacterium spp isolated from total samples, only Streptococcus spp. seemed to be ranked as abnormal in Pakistani Sahiwal cattle cows. Interestingly all those animals from where Corynebacterium spp. was isolated, were showing increased values both of MCV and HCT (Hematocrit) which is indicative of their pathogenic role in causing uterine infections. On the basis of this study it can be modestly concluded that uterine microbial flora identification may serve as a better tool in assessing and foretelling the reproductive health status of the breeding animals. After necessary assessment, presence of any harmful microbial flora or pathogen can be effectively treated through either selecting an appropriate antibiotic by using culture sensitivity testing or by using any suitable bactericidal agent thereby help in boosting conception and pregnancy rates.
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In the present study uterine microbial flora of Sahiwal cattle during oestrus and its relationship with pregnancy rate was determined. According to the results a total of 11 bacterial species were isolated from 50 uterine samples of estrus Sahiwal cattle, maintained at Livestock Production Research Institute (LPRI), Bahardur Nagar, district Okara, Punjab province, Pakistan. The isolates include E. coli, Micrococcus spp., Bacillus spp., Staphylococcus aureus, Staphylococcus epidermidis, Streptococcus spp., Pseudomonas spp., Citrobacter diversus, Salmonella spp., Proteus spp. and Corynebacterium spp. Tabulation of results showed that prevalence of these isolates was different among pregnant and non-pregnant animals. Moreover, E .coli, Micrococcus spp., Bacillus spp., Staphylococcus aureus and Citrobacter diversus are found to be thriving in uterus as normal microbial flora, whereas, Streptococcus spp. isolate as abnormal microbial flora appearing to be having some role in decreasing pregnancy rate. While, Pseudomonas spp., Corynebacterium spp. Staphylococcus epidermidis, Salmonella spp., and Proteus spp. Isolates could not be differentiable as normal and abnormal uterine microbial flora due to insignificant available data. Furthermore, complete blood counts of 50 blood samples of these same animals indicated that those animals harboring isolates like Streptococcus spp., Pseudomonas spp., and Corynebacterium spp. in their uterus, had more likelihood of abnormally increased value of Mean Corpuscular Volume (MCV) than to presence of any other bacteria. But due to lower data of Pseudomonas spp., and Corynebacterium spp isolated from total samples, only Streptococcus spp. seemed to be ranked as abnormal in Pakistani Sahiwal cattle cows. Interestingly all those animals from where Corynebacterium spp. was isolated, were showing increased values both of MCV and HCT (Hematocrit) which is indicative of their pathogenic role in causing uterine infections.
On the basis of this study it can be modestly concluded that uterine microbial flora identification may serve as a better tool in assessing and foretelling the reproductive health status of the breeding animals. After necessary assessment, presence of any harmful microbial flora or pathogen can be effectively treated through either selecting an appropriate antibiotic by using culture sensitivity testing or by using any suitable bactericidal agent thereby help in boosting conception and pregnancy rates.

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