ArticleJournal of dairy science2019
An investigation of dairy calf management practices, colostrum quality, failure of transfer of passive immunity, and occurrence of enteropathogens among Australian dairy farms.
Article in Journal of dairy science, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed.
- Incidence of calf morbidity and mortality and its associated risk factors in dairy farms of Ethiopia: Systematic review and meta-analysis.Veterinary and animal science · 2026Review
- Effect of dairy calf rearing systems on affective states.Discover animals · 2026Review
- Multiblock Analysis of Risk Factors and Management Areas of Calf Mortality in Large-Scale Dairy Herds.Animals : an open access journal from MDPI · 2025Article
- Importance and Characterisation of Concurrent Pathogens in Diarrhoeic Calves from North-Western Spain.Animals : an open access journal from MDPI · 2025Article
- Saliva Immunoglobulin Concentrations Are Associated with Colostrum Intake and with Serum Concentrations in Newborn Calves.Animals : an open access journal from MDPI · 2025Article
- Early Life Nutrition and Its Effects on the Developing Heifer: Immune and Metabolic Responses to Immune Challenges.Animals : an open access journal from MDPI · 2025Article
- Effects of Yeast β-Glucan Supplementation on Calf Intestinal and Respiratory Health.Animals : an open access journal from MDPI · 2025Article
- Evaluation of Colostrum Components and Milking Status Affecting Colostrum IgG Concentration.Animals : an open access journal from MDPI · 2025Article
- Progression of the faecal microbiome in preweaning dairy calves that develop cryptosporidiosis.Animal microbiome · 2025Article
- Factors associated with failure of passive transfer of immunity and morbidity in spring-born beef and dairy calves during the first 30 days of life.Frontiers in veterinary science · 2025Article
- Immune pre-stimulation by injected yeast beta-glucan as a strategy to prevent calf diarrhea and bovine respiratory disease during the first 74 days of age.Frontiers in cellular and infection microbiology · 2025Article
- Impact of Parenteral Maternal Supplementation with Trace Minerals and Vitamins on Neonatal Calf Antioxidant System and Growth in a Dairy Herd.Animals : an open access journal from MDPI · 2024Article
- Bovine Colostrum: Human and Animal Health Benefits or Route Transmission of Antibiotic Resistance-One Health Perspective.Antibiotics (Basel, Switzerland) · 2023Review
- Meta-Analysis on the Prevalence of Failed Transfer of Passive Immunity in Calves from Pasture-Based Dairy Farms in Australasia.Animals : an open access journal from MDPI · 2023Article
- Factors Associated with Colostrum Quality, the Failure of Transfer of Passive Immunity, and the Impact on Calf Health in the First Three Weeks of Life.Animals : an open access journal from MDPI · 2023Article
- Advances in the Application of Phytogenic Extracts as Antioxidants and Their Potential Mechanisms in Ruminants.Antioxidants (Basel, Switzerland) · 2023Review
- Preweaning Nutrition and Its Effects on the Growth, Immune Competence and Metabolic Characteristics of the Dairy Calf.Animals : an open access journal from MDPI · 2023Article
- Dairy cow and calf behavior and productivity when maintained together on a pasture-based system.Animal bioscience · 2023Article
- Incidence of Inadequate Transfer of Passive Immunity in Dairy Heifer Calves in South Australia.Animals : an open access journal from MDPI · 2022Article
- Evaluation of a novel multiplex qPCR method for rapid detection and quantification of pathogens associated with calf diarrhoea.Journal of applied microbiology · 2022Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Calf preweaning morbidity and mortality risks have been reported as high in several countries, with average values approximating 35 and 7%, respectively. However, limited data are available for calf morbidity and mortality risks on Australian dairy farms. The aims of this study were (1) to investigate current calf management practices on dairy farms in Australia and their association with herd-level morbidity and mortality using a questionnaire-based, cross-sectional study; and (2) to estimate the prevalence of common enteropathogens causing diarrhea, the failure of passive transfer of immunity, and poor colostrum quality in a sample of Australian dairy farms. We analyzed 106 completed questionnaires and samples from 23 farms (202 fecal, 253 calf serum, and 221 colostrum samples). Morbidity and mortality risks reported by farmers in preweaned heifers were 23.8 and 5.6%, respectively. These risks were above the Australian dairy industry targets in 75.5 and 66.7% of respondents. The zoonotic pathogens Cryptosporidium spp. and Salmonella spp. were the most prevalent enteropathogens, with a true prevalence of 40.9 and 25.2%, respectively. Salmonella O-group D was present in 67.9% of Salmonella-positive samples, followed by O-groups B (17.9%) and C (10.7%). Failure of transfer of passive immunity (IgG <10 g/L) was observed in 41.9% of calves (mean herd-level prevalence of 36.2%), and only 19.5% of colostrum samples met the standards for immunoglobulin content and microbiological quality. Collectively, these data indicate that there is still considerable room for improvement in calf-rearing practices on Australian dairy farms, particularly with regard to colostrum management and feeding hygiene.
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