About: Risk factors associated with exposure to bovine respiratory disease pathogens during the peri-weaning period in dairy bull calves

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About: Risk factors associated with exposure to bovine respiratory disease pathogens during the peri-weaning period in dairy bull calves Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Risk factors associated with exposure to bovine respiratory disease pathogens during the peri-weaning period in dairy bull calves
Creator	Earley, Bernadette Gilmore, John Johnston, Dayle Nosov, Mikhail Murray, Gerard Cassidy, Joseph Clegg, Tracy Inzana, Thomas More, Simon Mcelroy, Máire O'neill, Rónan
Source	Medline; PMC
abstract	BACKGROUND: Bovine respiratory disease (BRD) remains among the leading causes of death of cattle internationally. The objective of this study was to identify risk factors associated with exposure to BRD pathogens during the peri-weaning period (day (d)-14 to d 14 relative to weaning at 0) in dairy bull calves using serological responses to these pathogens as surrogate markers of exposure. Clinically normal Holstein-Friesian and Jersey breed bull calves (n = 72) were group housed in 4 pens using a factorial design with calves of different breeds and planes of nutrition in each pen. Intrinsic, management and clinical data were collected during the pre-weaning (d − 56 to d − 14) period. Calves were gradually weaned over 14 days (d − 14 to d 0). Serological analysis for antibodies against key BRD pathogens (BRSV, BPI3V, BHV-1, BHV-4, BCoV, BVDV and H. somni) was undertaken at d − 14 and d 14. Linear regression models (for BVDV, BPI3V, BHV-1, BHV-4, BCoV and H. somni) and a single mixed effect random variable model (for BRSV) were used to identify risk factors for changes in antibody levels to these pathogens. RESULTS: BRSV was the only pathogen which demonstrated clustering by pen. Jersey calves experienced significantly lower changes in BVDV S/P than Holstein-Friesian calves. Animals with a high maximum respiratory score (≥8) recorded significant increases in H. somni S/P during the peri-weaning period when compared to those with respiratory scores of ≤3. Haptoglobin levels of between 1.32 and 1.60 mg/ml at d − 14 were significantly associated with decreases in BHV-1 S/N during the peri-weaning period. Higher BVDV S/P ratios at d − 14 were significantly correlated with increased changes in serological responses to BHV-4 over the peri-weaning period. CONCLUSIONS: Haptoglobin may have potential as a predictor of exposure to BHV-1. BRSV would appear to play a more significant role at the ‘group’ rather than ‘individual animal’ level. The significant associations between the pre-weaning levels of antibodies to certain BRD pathogens and changes in the levels of antibodies to the various pathogens during the peri-weaning period may reflect a cohort of possibly genetically linked ‘better responders’ among the study population.
has issue date	2018-02-27(xsd:dateTime)
bibo:doi	10.1186/s12917-018-1372-9
bibo:pmid	29482563
has license	cc-by
sha1sum (hex)	c2fb6867057dd0152657070fde0a4ab564d375c2
schema:url	https://doi.org/10.1186/s12917-018-1372-9
resource representing a document's title	Risk factors associated with exposure to bovine respiratory disease pathogens during the peri-weaning period in dairy bull calves
has PubMed Central identifier	PMC5828089
has PubMed identifier	29482563
schema:publication	BMC Vet Res
resource representing a document's body	covid:c2fb6867057dd0152657070fde0a4ab564d375c2#body_text
is schema:about of	named entity 'nutrition' named entity 'Background' named entity 'antibodies' named entity 'study' named entity 'calves' named entity 'potential' named entity 'period' named entity 'Risk factors' named entity 'RISK FACTORS' named entity 'INCREASES' named entity 'USING' named entity 'HOLSTEIN-FRIESIAN' named entity 'LOWER' named entity 'ANIMAL' named entity 'ROLE' named entity 'NUTRITION' named entity 'LEADING' named entity 'COMPARED' named entity 'PENS' named entity 'VARIOUS' named entity 'WEANING PERIOD' named entity 'RATIOS' named entity 'INTRINSIC' named entity 'PLAY' named entity 'CONCLUSIONS' named entity 'HOUSED' named entity 'NORMAL' named entity 'LEVELS' named entity 'COHORT' named entity 'MAXIMUM' named entity 'EFFECT' named entity 'BREED' named entity 'BRSV' named entity 'BACKGROUND' named entity 'ANALYSIS' named entity 'WEANING' named entity 'ANIMALS' named entity 'RISK FACTORS' named entity 'PERIOD' named entity 'A43' named entity 'MAY HAVE' named entity 'EXPERIENCED' named entity 'DAYS' named entity 'CATTLE' named entity 'USED' named entity 'APPEAR' named entity 'SCORES' named entity 'SINGLE' named entity 'ASSOCIATED WITH' named entity 'CORRELATED' named entity 'PLANES' named entity 'ASSOCIATIONS' named entity 'PRE' named entity 'BHV-4' named entity 'DIFFERENT' named entity 'D 14' named entity 'STUDY POPULATION' named entity 'CLUSTERING' named entity 'MODEL' named entity 'JERSEY' named entity 'DEMONSTRATED' named entity 'CERTAIN' named entity 'RELATIVE TO' named entity 'DAIRY' named entity 'PERI' named entity 'CAUSES OF DEATH' named entity 'HIGH' named entity 'BVDV' named entity 'RECORDED' named entity 'WEANING PERIOD' named entity 'CLINICAL DATA'

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