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Article Abstract
Despite years of research devoted to bovine mastitis, the disease remains a serious problem in dairy cattle, causing economic losses to the dairy industry worldwide due to reduced milk yield, lower milk quality, drug costs and early culling of cows. The aim of this study is to determine the importance of several risk factors affecting milk quality in dairy cows, as well as to highlight proper milking techniques. A cross-sectional study was performed in one Greek dairy farm with the inclusion of a total of 1004 Holstein Friesian cows in the study. The udder and teat traits were recorded for each cow, while individual milk samples were used to estimate the somatic cell count (SCC) and gross milk composition. The traits recorded were examined as potential risk factors affecting milk quality using the Akaike information criterion (AIC) and the algorithm stepAIC to select the best linear regression model which explains the data. Overall, the prevalence of mastitis was ca. 9%. With an increase in the lactation period, the SCC increased ( ≤ 0.05) while fat ( ≤ 0.05), protein ( ≤ 0.001) and lactose ( ≤ 0.001) content decreased. Teat hyperkeratosis increased the SCC ( ≤ 0.05) and decreased P content ( ≤ 0.05). Proper husbandry management and milking procedures are considered essential to maintain milk quality of high standards.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10668648 | PMC |
| http://dx.doi.org/10.3390/ani13223470 | DOI Listing |
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