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Salmonella in dairy cattle
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Diarrhoea is a multifactorial disease entity that can have serious financial and animal welfare implications in dairy herds. It has been estimated that 75% of early calf mortality in dairy herds is caused by acute diarrhoea in the pre-weaning period Diarrhoea is a common complaint in cattle and young ruminants (particularly in the first few months of life). Many of the pathogens and management practices that cause diarrhoea in...
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Background Salmonella is a diverse bacterial species comprising over 2600 serotypes [1]. Salmonella commonly colonizes a range of animal hosts such as mammals, amphibians, reptiles, birds and insects [2]. There are 2 species of Salmonella: Salmonella enterica and Salmonella bongori. Salmonella enterica is further classified into 6 subspecies (Salmonella enterica subspecies enterica, S. enterica Subspecies salmae, S. enterica Subspecies arizonae, S. enterica Subspecies...
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Introduction Tannins, polyphenolic compounds which occur naturally in the bark, leaves, seeds and roots of many plants 1 . They encompass a wide range of molecular weights ranging from 500 to over 20,000 Daltons 2 and confer the astringent taste often found in tea, chocolate, wine and fruits 1, 3 . Due to their large number of phenolic groups and aromatic rings they readily form complexes via hydrophilic and...
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A strain of salmonella that has encroached on cattle populations in the Northeast is now easier to detect, thanks to a new test offered by the state Animal Health Diagnostic Center at Cornell University’s College of Veterinary Medicine.
The cattle disease, salmonella dublin, damages young and unborn calves and is resistant to many common antibiotics, thus limiting potential treatments. It can also be difficult to...
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Salmonella enterica (hereafter referred to simply as Salmonella ) in production animals is predominantly a public health hazard. However, certain serovars can cause clinical disease in animals and mostly the young animals are at risk. The European Union (EU) is leading the global initiatives to reduce Salmonella in food animal production. Countries have a very diverse Salmonella situation, ranging from some countries ...
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A Cornell University study sheds light on the risk of clinical salmonellosis in northeast dairy herds. The study, directed by Lorin Warnick, veterinarian and epidemiologist at Cornell University, followed over 325,000 female dairy cattle for at least a year. Last week, Daryl Nydam, veterinarian and epidemiologist at Cornell, shared highlights of the study at two, one-day calf workshops offered by the Professional Dairy Producers of Wisconsin. During the study, participating...
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An outbreak of salmonella has closed part of Fonterra's Hautapu dairy factory for two weeks and seen an entire day's production of milk protein concentrate placed in quarantine.
The concentrate is used in the manufactured products such as cheese and infant formula.
The dairy giant does not know which strain of salmonella has been found at the site and it will be at least two weeks before more tests clear the concentrate factory to resume production.
It will also take that long for...
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Anyone who purchased Chef's Review nonfat dry milk sold in five-pound bags at Smart & Final stores should not use the milk, because it may be contaminated with the harmful bacteria salmonella, the state Department of Health Services said Wednesday.
Smart & Final is recalling nearly 500 bags of the product, which were distributed across California.
The dry milk is packaged in a brown bag with the brand name in red. Recalled bags can be identified by a sticker on the bottom right of the...
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