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Differences in severity of reticulo-rumen pH drop in primiparous Holstein cows fed the same diet during transition and early lactation: effects on performance, energy balance, blood metabolites, and reproduction.
J Anim Sci
December 2024
Centre for Animal Nutrition and Welfare, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria.
We recently reported factors leading to different severity of ruminal pH drop in primiparous cows fed the same diet during transition and early lactation. The present study evaluates the effects of those severities on performance and several blood and balance parameters in the same 24 primiparous cows from 3 wk before calving until wk 10 in lactation. Dietary concentrate was increased for all cows from 32 before calving to 60% (DM basis) over the first wk in lactation, resulting in a diet with 40% non-fiber carbohydrates (NFC), and 14.
View Article and Find Full Text PDFOccurrence and antimicrobial susceptibility of Salmonella enterica in milk along the supply chain, humans, and the environment in Woliata Sodo, Ethiopia.
BMC Microbiol
December 2024
Veterinary Public Health, College of Veterinary Medicine and Agriculture, Addis Ababa University, Bishoftu, Ethiopia.
Background: Salmonella enterica is a major cause of foodborne illness and mortality worldwide, but its presence in milk along the milk supply chain and associated public health risks are under-studied. This research was aimed to investigate the occurrence and antimicrobial susceptibility of Salmonella enterica in milk, milking environments, milkers' hands, and diarrheic patients in Wolaita Sodo, Ethiopia.
Methods: We collected 644 samples from 106 dairy farms that include direct milk from cow, bulk tank milk, milkers' hand swabs, teat surfaces swabs, farm floors swabs, milk storage containers swabs, collectors' bulk milk, retailers' bulk milk, and stool from diarrheic patients.
Effect of using heart of date palm as a new source of protein, carbohydrates, and bioactive compounds on the characterization of low-fat camel milk ice cream.
Int J Biol Macromol
December 2024
Department of Dairy Science, Faculty of Desert and Environmental Agriculture, Matrouh University, Matrouh, Egypt.
The heart of the date palm is a nutrient-rich vegetable found at the center of palm trees, abundant in protein and dietary fiber, primarily made up of carbohydrates. Preliminary studies indicate that the heart of the date palm possesses healing properties, exhibiting potent cytotoxic effects against HepG2 cells, suggesting its potential in cancer treatment. A low-fat ice cream was created using camel milk, enriched with varying amounts of heart of date palm-4 %, 8 %, and 12 % of the mix-as a source of bioactive compounds, protein, and carbohydrates.
View Article and Find Full Text PDFThe cow GUTBIOME CY study: investigating the composition of the cattle gut microbiome in health and infectious disease transmission in cyprus.
BMC Vet Res
December 2024
Department of Basic and Clinical Sciences, University of Nicosia Medical School, 2408, Nicosia, Cyprus.
Background: Recent evidence suggests that the lower gut microbiome of ruminants presents roles in their health and environment, including the development of the mucosal immune system, milk production efficiency and quality and subsequent methane emissions. However, there are proportionately fewer studies on this complex microbial community in cattle and region-focus studies are non- existent.
Methods: Herein, we present the research protocol of the GUTBIOME CY project pertaining to determine the composition of the lower gut microbiome in dairy cows situated in 37 farms across five districts of the island of Cyprus.
Non-stochastic reassembly of a metabolically cohesive gut consortium shaped by N-acetyl-lactosamine-enriched fibers.
Gut Microbes
December 2025
Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC, USA.
Diet is one of the main factors shaping the human microbiome, yet our understanding of how specific dietary components influence microbial consortia assembly and subsequent stability in response to press disturbances - such as increasing resource availability (feeding rate) - is still incomplete. This study explores the reproducible re-assembly, metabolic interplay, and compositional stability within microbial consortia derived from pooled stool samples of three healthy infants. Using a single-step packed-bed reactor (PBR) system, we assessed the reassembly and metabolic output of consortia exposed to lactose, glucose, galacto-oligosaccharides (GOS), and humanized GOS (hGOS).
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