Significance of Lactose in Dairy Products

Goff, H. Douglas; Hynes, E. H.; Perotti, María Cristina; Kelly, Phil; Hogan, Sean A.

doi:10.1007/978-3-030-92585-7_3

Cited by 1 publication

(1 citation statement)

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“…U.S. Sorge et al also concluded that paratuberculosis can decrease milk production, with ELISA-positive cattle exhibiting a 2.9% to 6.8% reduction compared to ELISA-negative cattle [8]. Lactose is a significant issue for the solids content of many dairy products and plays an important role in the determination of the properties of milk products [40]. Our findings (Table 5) revealed that the cows with higher antibody levels demonstrated a significantly (p < 0.05) lower lactose content, which caused a decline in milk quality.…”

Section: Discussionmentioning

confidence: 99%

Individual- and Herd-Level Milk ELISA Test Status and Incidence for Paratuberculosis in Hubei Province, China

Chen,

Hou,

Khalid

et al. 2024

Veterinary Sciences

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Mycobacterium avium subsp. paratuberculosis (MAP) is responsible for the persistent infectious illness known as bovine paratuberculosis, which is one of the most easily overlooked diseases in China amid a lack of epidemiological data. In this study, we evaluated the agreement of milk and blood antibody tests for paratuberculosis and showed an overall agreement of 92.0%, with a 95.0% negative coincidence rate and a 78.6% positive coincidence rate. The milk test was then used to examine the prevalence and incidence of dairy cows in Hubei Province, China. We found that, at the individual level, the highest lacto-prevalence reached up to 22.9%; the farm-level prevalence was as high as 92.3% (12/13) and 84.6% (11/13) in January and April 2018, respectively. The total incidence risk of all farms was 6% per three months. We also found that large-scale farms had a significantly lower prevalence and incidence than small-scale farms. Finally, the correlation between paratuberculosis and milk quality was evaluated, and we confirmed that MAP can significantly alter milk quality and raise somatic cell counts in the milk. This study provides valuable information for assessing the prevalence and incidence risk of paratuberculosis in China. It further provides an essential basis for calling for the prevention and control of paratuberculosis in China.

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Section: Discussionmentioning

confidence: 99%