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Diniz Neto HC, Coelho SG, Campolina JP, Vieira SF, Lombardi MC, Pereira BP, Albuquerque BSF, Costa SF, Guimarães AS, Brito MAVP, Silva CS, Machado FS, Tomich TR, Campos MM. Effects of bulk tank milk, waste milk, and pasteurized waste milk on the nutrient utilization, gastrointestinal tract development, and antimicrobial resistance to Escherichia coli in preweaning dairy calves. J Dairy Sci 2024; 107:6852-6865. [PMID: 38825122 DOI: 10.3168/jds.2024-24674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 04/11/2024] [Indexed: 06/04/2024]
Abstract
This study aimed to assess the effect of bulk tank milk (BTM), waste milk (WM), and pasteurized waste milk (PWM) on nutrient digestibility, ruminal and cecal fermentation, gastrointestinal tract (GIT) development, and antimicrobial resistance of fecal Escherichia coli from dairy calves at 2 periods (30 and 60 d of age). Calves were grouped according to BW, serum protein levels, and breed composition. Three treatments were included: BTM (n = 21), WM from cows under antibiotic treatment (n = 21), and PWM (WM submitted to HTST pasteurization; n = 21). A total of 63 calves were used, of which 18 animals (n = 6 per treatment) were evaluated in the period of 4 to 30 d, and 45 (n = 15 per treatment) from 4 to 60 d. During the experimental period, a daily intake of 6 L of milk was divided into 2 equal meals, with ad libitum access to water and starter. Milk and feed intakes were recorded daily. Apparent total-tract digestibility and nitrogen balance were conducted from 25 to 29 d of age (n = 6) and from 53 to 57 d of age (n = 15). Animals were slaughtered at 30 ± 1 and 60 ± 1 d of age for the assessment of ruminal and cecal fermentation and GIT development. Antimicrobial susceptibility testing was conducted at 1, 30, and 60 d of age (n = 15/treatment). Statistical analysis used a linear mixed-effects model for continuous outcomes and generalized linear models for single measurements (R software). Treatments WM and PWM had lower rumen pH, higher ruminal acetate concentration, larger reticulorumen and liver, and a higher prevalence of fecal-resistant E. coli compared with BTM at both 30 and 60 d. Up to 60 d, both BTM and WM treatments exhibited higher digestibility of ether extract and gross energy compared with the PWM, whereas WM and PWM treatments showed increased nitrogen intake and retention compared with the BTM treatment. These findings suggest that pasteurization of WM negatively affects nutrient digestibility and calf performance, while also affecting rumen development. Additionally, the use of milk containing antibiotic residue leads to the selection of resistant E. coli in the GIT over time.
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Affiliation(s)
- H C Diniz Neto
- Departamento de Zootecnia, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil, 30161-970
| | - S G Coelho
- Departamento de Zootecnia, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil, 30161-970
| | - J P Campolina
- Departamento de Zootecnia, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil, 30161-970
| | - S F Vieira
- Departamento de Zootecnia, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil, 30161-970
| | - M C Lombardi
- Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil, 30161-970
| | - B P Pereira
- Empresa Brasileira de Pesquisa Agropecuária-Embrapa Gado de Leite, Juiz de Fora, Minas Gerais, Brazil, 36038-330
| | - B S F Albuquerque
- Empresa Brasileira de Pesquisa Agropecuária-Embrapa Gado de Leite, Juiz de Fora, Minas Gerais, Brazil, 36038-330
| | - S F Costa
- Departamento de Medicina Veterinária, Universidade Federal de Lavras, Lavras, Minas Gerais, Brazil, 30161-970
| | - A S Guimarães
- Empresa Brasileira de Pesquisa Agropecuária-Embrapa Gado de Leite, Juiz de Fora, Minas Gerais, Brazil, 36038-330; Departamento de Medicina Veterinária, Universidade Federal de Lavras, Lavras, Minas Gerais, Brazil, 30161-970
| | - M A V P Brito
- Empresa Brasileira de Pesquisa Agropecuária-Embrapa Gado de Leite, Juiz de Fora, Minas Gerais, Brazil, 36038-330
| | - C S Silva
- Empresa Brasileira de Pesquisa Agropecuária-Embrapa Gado de Leite, Juiz de Fora, Minas Gerais, Brazil, 36038-330
| | - F S Machado
- Empresa Brasileira de Pesquisa Agropecuária-Embrapa Gado de Leite, Juiz de Fora, Minas Gerais, Brazil, 36038-330
| | - T R Tomich
- Empresa Brasileira de Pesquisa Agropecuária-Embrapa Gado de Leite, Juiz de Fora, Minas Gerais, Brazil, 36038-330
| | - M M Campos
- Empresa Brasileira de Pesquisa Agropecuária-Embrapa Gado de Leite, Juiz de Fora, Minas Gerais, Brazil, 36038-330.
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Uyama T, Kelton DF, Morrison EI, de Jong E, McCubbin KD, Barkema HW, Dufour S, Fonseca M, McClure JT, Sanchez J, Heider LC, Renaud DL. Associations among antimicrobial use, calf management practices, and antimicrobial resistance in Escherichia coli from a pooled fecal sample in calves on Canadian dairy farms: A cross-sectional study. J Dairy Sci 2024; 107:4961-4972. [PMID: 38331174 DOI: 10.3168/jds.2023-24262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 01/10/2024] [Indexed: 02/10/2024]
Abstract
The objective of this cross-sectional study was to determine associations between calf management practices, the number of antimicrobial treatments, and antimicrobial resistance in preweaning heifers on Canadian dairy farms. A composite of 5 fecal samples from preweaning calves was collected from 142 dairy farms in 5 provinces and analyzed for phenotypic antimicrobial susceptibility with the microbroth dilution method. Questionnaires were used to capture herd characteristics and calf management practices used on the farm. Calf treatment records were collected during the farm visits. Escherichia coli was isolated from all 142 fecal samples with the highest resistance to tetracycline (41%), followed by sulfisoxazole (36%), streptomycin (32%), chloramphenicol (28%), ampicillin (16%), trimethoprim-sulfamethoxazole (15%), ceftriaxone (4.2%), cefoxitin (2.8%), amoxicillin-clavulanic acid (2.1%), ciprofloxacin (2.1%), nalidixic acid (2.1%), azithromycin (1.4%), and gentamicin (1.4%). Multidrug resistance was observed in 37% of E. coli isolates. Three-quarters of farms used fresh colostrum as the most common type of colostrum fed to calves. Colostrum quality was checked on 49% of farms, but the transfer of passive immunity was only checked on 32% of farms in the last 12 mo. Almost 70% of farms used straw or hay or a combination as the bedding material for calves. Among the 142 farms, a complete set of calf records were collected from 71 farms. In a multivariable logistic regression model, farms with ≥1.99 to 32.57 antimicrobial treatments/calf-year were 3.2 times more likely to have multidrug resistant E. coli in calf feces compared farms with <1.99 antimicrobial treatments/calf-year. Farms using hay or straw beddings were 5.1 times less likely to have multidrug resistant E. coli compared with those with other bedding materials including shavings or sawdust. Bedding management practices on farms may need to be investigated to reduce the potential effect on disseminating multidrug resistant bacteria.
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Affiliation(s)
- T Uyama
- Department of Population Medicine, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - D F Kelton
- Department of Population Medicine, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - E I Morrison
- Department of Population Medicine, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - E de Jong
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, T2N 4N1, Canada
| | - K D McCubbin
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, T2N 4N1, Canada
| | - H W Barkema
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, T2N 4N1, Canada
| | - S Dufour
- Faculté de Médecine Vétérinaire, Université de Montréal, St-Hyacinthe, QC, J2S 2M2, Canada
| | - M Fonseca
- Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PE, C1A 4P3, Canada
| | - J T McClure
- Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PE, C1A 4P3, Canada
| | - J Sanchez
- Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PE, C1A 4P3, Canada
| | - L C Heider
- Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PE, C1A 4P3, Canada
| | - D L Renaud
- Department of Population Medicine, University of Guelph, Guelph, ON, N1G 2W1, Canada.
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Linehan K, Patangia DV, Ross RP, Stanton C. Production, Composition and Nutritional Properties of Organic Milk: A Critical Review. Foods 2024; 13:550. [PMID: 38397527 PMCID: PMC10887702 DOI: 10.3390/foods13040550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 01/27/2024] [Accepted: 02/02/2024] [Indexed: 02/25/2024] Open
Abstract
Milk is one of the most valuable products in the food industry with most milk production throughout the world being carried out using conventional management, which includes intensive and traditional systems. The intensive use of fertilizers, antibiotics, pesticides and concerns regarding animal health and the environment have given increasing importance to organic dairy and dairy products in the last two decades. This review aims to compare the production, nutritional, and compositional properties of milk produced by conventional and organic dairy management systems. We also shed light on the health benefits of milk and the worldwide scenario of the organic dairy production system. Most reports suggest milk has beneficial health effects with very few, if any, adverse effects reported. Organic milk is reported to confer additional benefits due to its lower omega-6-omega-3 ratio, which is due to the difference in feeding practices, with organic cows predominantly pasture fed. Despite the testified animal, host, and environmental benefits, organic milk production is difficult in several regions due to the cost-intensive process and geographical conditions. Finally, we offer perspectives for a better future and highlight knowledge gaps in the organic dairy management system.
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Affiliation(s)
- Kevin Linehan
- Teagasc Food Research Centre, Moorepark, Fermoy, P61 C996 Cork, Ireland; (K.L.); (D.V.P.)
- APC Microbiome Ireland, University College Cork, T12 Y120 Cork, Ireland;
- School of Microbiology, University College Cork, T12 XF62 Cork, Ireland
| | - Dhrati V. Patangia
- Teagasc Food Research Centre, Moorepark, Fermoy, P61 C996 Cork, Ireland; (K.L.); (D.V.P.)
- APC Microbiome Ireland, University College Cork, T12 Y120 Cork, Ireland;
- School of Microbiology, University College Cork, T12 XF62 Cork, Ireland
| | - Reynolds Paul Ross
- APC Microbiome Ireland, University College Cork, T12 Y120 Cork, Ireland;
- School of Microbiology, University College Cork, T12 XF62 Cork, Ireland
| | - Catherine Stanton
- Teagasc Food Research Centre, Moorepark, Fermoy, P61 C996 Cork, Ireland; (K.L.); (D.V.P.)
- APC Microbiome Ireland, University College Cork, T12 Y120 Cork, Ireland;
- VistaMilk Research Centre, Teagasc Moorepark, Fermoy, P61 C996 Cork, Ireland
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Azevedo RA, Lage CFA, Silper BF, Diniz Neto HC, Quigley JD, Coelho SG. Invited review: Total solids concentration in milk or milk replacer for dairy calves. J Dairy Sci 2023; 106:7341-7351. [PMID: 37641291 DOI: 10.3168/jds.2023-23372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 05/22/2023] [Indexed: 08/31/2023]
Abstract
Restricting milk or milk replacer (MR) fed to dairy calves to 10% of body weight at 12.5% total solids (TS) concentration is a common feeding strategy that promotes early weaning and lowers total feed costs for raising young calves. However, this strategy has been associated with inferior performance and compromised welfare. Because a restricted liquid nutrition plan limits calf growth due to limited supply of nutrients, research on increased supply of nutrients from liquid has shown improved growth, health, and welfare of calves. Nutrient supply may be increased by feeding larger amounts of milk or MR averaging 12.5% TS, or by increasing TS above the usual 12.5% TS by increasing MR TS concentration alone (TS+), or by increasing TS concentration and volume simultaneously (TSV+). The objective of this review is to discuss liquid nutrition plans with greater TS concentration in MR or in milk diets, considering the effects of such strategies on performance and digestive tract development before weaning and the future performance of dairy calves. This review will focus on liquid nutrition plans that are based on increased TS concentration (i.e., TS+ or TSV+); therefore, enhanced liquid nutrition plans based only on increased volumes will not be the discussed. Improved growth rates have been observed in calves fed TSV+ programs. However, reduced starter intake preweaning can also have negative effects on dry matter intake, average daily gain, and digestibility postweaning. Feeding a TS+ program may reduce impairment of starter intake and therefore have positive effects on performance, nutrient digestibility, and health. When considering an accelerated nutrition plan with TS+ or TSV+, it is important to consider osmolality of the liquid diet. Further studies are necessary to confirm this hypothesis and the cost-benefit of alternative liquid nutrition plans, as well as the optimal TS concentration of milk or MR fed to dairy calves.
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Affiliation(s)
| | - C F A Lage
- Cornell Cooperative Extension, Ithaca, NY 14850
| | - B F Silper
- Brejo Alegre Farm, Itaúna 35684000, MG, Brazil
| | - H C Diniz Neto
- Departamento de Zootecnia, Escola de Veterinária da Universidade Federal de Minas Gerais, Belo Horizonte 31270901, MG, Brazil
| | - J D Quigley
- Cargill Animal Nutrition, Elk River, MN 55330
| | - S G Coelho
- Departamento de Zootecnia, Escola de Veterinária da Universidade Federal de Minas Gerais, Belo Horizonte 31270901, MG, Brazil
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Breen MJ, Williams DR, Abdelfattah EM, Karle BM, Byrne BA, Lehenbauer TW, Aly SS. Effect of Group Housing of Preweaned Dairy Calves: Health and Fecal Commensal Antimicrobial Resistance Outcomes. Antibiotics (Basel) 2023; 12:1019. [PMID: 37370338 DOI: 10.3390/antibiotics12061019] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 05/30/2023] [Accepted: 06/01/2023] [Indexed: 06/29/2023] Open
Abstract
The objectives of this study were to investigate the effects of group housing (three calves per group) on bovine respiratory disease (BRD), diarrhea and antimicrobial resistance (AMR) to fecal commensal Escherichia coli (EC) and enterococci/streptococci (ES). Our study comprised two arms, one experimental and one observational. In the experimental arm, preweaned calves on a California dairy were randomized to either individual (IND; n = 21) or group (GRP; n = 21) housing, using a modified California-style wooden hutch. The study period lasted from birth to 56 days of age, during which calves were health scored daily. Cumulative incidence and hazard ratios were estimated for disease. Antimicrobial resistance outcomes were assessed using a prospective cohort design; feces were collected from each calf three times per week and EC and ES were evaluated for AMR using the broth microdilution method against a panel of 19 antimicrobial drugs (AMD). Analysis of treatment records was used to select calves that had been exposed (EXP) to an AMD-treated calf. In GRP, exposure occurred when a calf was a hutchmate with an AMD-treated calf. In IND, exposure occurred when a calf was a neighbor with an AMD-treated calf (TRT). Age-matched unexposed calves (UNEXP) were then selected for comparison. Proportions of AMR in fecal commensals among EXP, UNEXP, and TRT calves were compared between GRP and IND. Accelerated failure time survival regression models were specified to compare differences in minimum inhibitory concentration (MIC) of fecal commensals between EXP and UNEXP calves within each of GRP and IND calves separately. Group calves had a BRD hazard 1.94 times greater that of IND calves (p = 0.03), using BRD treatment records as the outcome. For AMR in EC isolates, higher resistance to enrofloxacin was detected in enrofloxacin-EXP GRP isolates compared with enrofloxacin-EXP IND isolates, and UNEXP GRP calves had lower resistance to ceftiofur compared with enrofloxacin-EXP and enrofloxacin-TRT calves. A significant housing-by-time interaction was detected for EC ceftiofur MIC in EXP GRP calves at 4-14 days post exposure to enrofloxacin (MIC EXP-UNEXP: µg/mL (95% CI): 10.62 (1.17, 20.07)), compared with UNEXP calves. The findings of this study show an increase in BRD hazard for group-housed calves and an increase in ceftiofur resistance in group-housed calves exposed to an enrofloxacin-treated calf.
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Affiliation(s)
- Martin J Breen
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA
| | - Deniece R Williams
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA
| | - Essam M Abdelfattah
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA
- Department of Animal Hygiene and Veterinary Management, Faculty of Veterinary Medicine, Benha University, Moshtohor 13736, Egypt
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA
| | - Betsy M Karle
- Cooperative Extension, Division of Agriculture and Natural Resources, University of California, Orland, CA 95963, USA
| | - Barbara A Byrne
- Department of Veterinary Pathology, Microbiology & Immunology, University of California Davis, Davis, CA 95616, USA
| | - Terry W Lehenbauer
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA
| | - Sharif S Aly
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA
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6
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The use of herbal treatments as alternatives to control uterine diseases in dairy cows. Trop Anim Health Prod 2022; 54:148. [DOI: 10.1007/s11250-022-03153-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 03/24/2022] [Indexed: 01/18/2023]
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Mathur H, Linehan K, Flynn J, Byrne N, Dillon P, Conneely M, Grimaud G, Hill C, Stanton C, Ross RP. Emulsion-Based Postbiotic Formulation Is Comparable to Viable Cells in Eliciting a Localized Immune Response in Dairy Cows With Chronic Mastitis. Front Microbiol 2022; 13:759649. [PMID: 35391729 PMCID: PMC8981918 DOI: 10.3389/fmicb.2022.759649] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 01/05/2022] [Indexed: 11/13/2022] Open
Abstract
Bovine mastitis is a disease with a multi-etiological nature, defined as an infection and inflammation of the udder. Mastitis represents a significant ongoing concern in the dairy industry, leading to substantial losses in profits and revenue for farmers worldwide. The predominant causes of bovine mastitis include the pathogens Staphylococcus aureus, Streptococcus dysgalactiae, Streptococcus uberis, and Escherichia coli. Antibiotic administration is currently the main treatment option for mastitis. However, there is a pressing need for alternative therapies to treat and prevent the disease, especially with the emergence of antibiotic-resistant, mastitis-causing pathogens, resulting in antibiotic treatment failure. One such example is live bio-therapeutics (also known as probiotics), such as Lactococcus lactis DPC3147. The efficacy of this live bio-therapeutic has been demonstrated in several previous trials by our group. The most recent of these trials showed that an emulsion-based formulation of this strain was as effective as a commercial antibiotic formulation in treating sub-clinical and clinical cases of bovine mastitis. Here, we report the results of a follow-up field trial, in which we sought to gain insight into the mechanism of action of such live bio-therapeutics, focussing on chronic mastitis cases. We treated 28 cows with chronic mastitis with two separate emulsion-based formulations containing either viable L. lactis DPC3147 cells (15 cows) or heat-killed L. lactis DPC3147 cells (13 cows). We then evaluated the efficacies of the two formulations (two treatment groups) in terms of stimulating a localized immune response (quantified by measuring IL-8 concentrations in milk collected from udders affected by mastitis) and efficacies in terms of cure rates (quantified by reductions in somatic cell counts and absence of pathogens). We demonstrate that the presence of heat-inactivated bacteria (a postbiotic) was as effective as the live bio-therapeutic in eliciting a localized immune response in cows with chronic mastitis. The response to heat-killed cells (postbiotic) reported herein could have beneficial implications for farmers with regard to prolonging the shelf life of such emulsion-based formulations containing heat-killed cells of L. lactis DPC3147 for curing cows with mastitis.
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Affiliation(s)
- Harsh Mathur
- Teagasc Food Research Centre, Moorepark, Fermoy, Ireland
| | - Kevin Linehan
- Teagasc Food Research Centre, Moorepark, Fermoy, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - James Flynn
- Dairy Production Research Centre, Teagasc, Moorepark, Fermoy, Ireland
| | - Noel Byrne
- Teagasc Animal and Grassland Research and Innovation Centre, Moorepark, Fermoy, Ireland
| | - Pat Dillon
- Teagasc Animal and Grassland Research and Innovation Centre, Moorepark, Fermoy, Ireland
| | - Muireann Conneely
- Teagasc Animal and Grassland Research and Innovation Centre, Moorepark, Fermoy, Ireland
| | - Ghjuvan Grimaud
- Teagasc Food Research Centre, Moorepark, Fermoy, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Colin Hill
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - Catherine Stanton
- Teagasc Food Research Centre, Moorepark, Fermoy, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - R. Paul Ross
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
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Zhang X, Yi X, Zhuang H, Deng Z, Ma C. Invited Review: Antimicrobial Use and Antimicrobial Resistance in Pathogens Associated with Diarrhea and Pneumonia in Dairy Calves. Animals (Basel) 2022; 12:ani12060771. [PMID: 35327168 PMCID: PMC8944629 DOI: 10.3390/ani12060771] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 03/16/2022] [Accepted: 03/16/2022] [Indexed: 02/04/2023] Open
Abstract
Antimicrobial use (AMU) is the major driver of antimicrobial resistance (AMR) among bacteria in dairy herds. There have been numerous studies on AMU and AMR in dairy cows; however, studies on AMU and AMR in dairy calves are limited. A comprehensive overview of the current state of knowledge of AMU and AMR among pathogens in dairy calves is important for the development of scientifically supported and applicable measures to curb antimicrobial use and the increasing risk of AMR. Therefore, we performed a systematic review of research on AMU and AMR in dairy calves. A total of 75 publications were included, of which 19 studies reported AMU data for dairy calves and 68 described AMR profiles of the four most prevalent bacteria that are associated with calf diarrhea and calf pneumonia. Large variation in AMU was found among herds across different regions. There seems to be a positive association between exposure to antimicrobials and occurrence of resistance. Most AMU was accounted for by treatment of diseases, while a small proportion of AMU was prophylactic. AMU was more common in treating calf diarrhea than in treating pneumonia, and the resistance rates in bacteria associated with diarrhea were higher than those in pathogens related to pneumonia. Organic farms used significantly fewer antimicrobials to treat calf disease; however, the antimicrobial resistance rates of bacteria associated with calf diarrhea and pneumonia on both types of farms were comparable. Feeding waste or pasteurized milk was associated with a higher risk of AMR in pathogens. Altogether, this review summarizes AMU and AMR data for dairy calves and suggests areas for future research, providing evidence for the design of antimicrobial use stewardship programs in dairy calf farming.
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Gosselin VB, Bodmer M, Schüpbach-Regula G, Steiner A, Meylan M. Survey on the disposal of waste milk containing antimicrobial residues on Swiss dairy farms. J Dairy Sci 2021; 105:1242-1254. [PMID: 34799105 DOI: 10.3168/jds.2021-20948] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 10/04/2021] [Indexed: 12/21/2022]
Abstract
Feeding waste milk containing antimicrobial residues (WMA) to calves has been associated with increased antimicrobial resistance in calves' commensal bacterial flora. The objectives of this study were (1) to document practices related to the disposal of WMA on Swiss dairy farms and (2) to evaluate the association between farm characteristics and the feeding of WMA to calves. A web-based questionnaire on practices surrounding waste milk disposal was completed by 1,625 dairy producers (10.9% of solicited producers). Logistic regression models were built to evaluate the association between herd characteristics and the practice of feeding WMA. Waste milk produced during and up to the first milking after completion of antimicrobial treatment or during the withdrawal period was fed to at least some of the calves on 47.3% of respondents' farms. Farms in organic production had lower odds of feeding WMA to calves than nonorganic farms [odds ratio (OR) 0.59]. Farms located in the eastern region of Switzerland, as opposed to those in the western region, had increased odds of feeding WMA to calves (OR 2.01). A yearly average bulk tank somatic cell count ≥150,000 cells/mL was associated with increased odds of feeding WMA to calves compared with the reference category of <100,000 cells/mL (OR 1.62). An average cow-level annual milk production ≥8,500 L was associated with increased odds of feeding WMA to calves compared with farms in the interquartile range with a production of 6,500 to 8,499 L (OR 1.24). Further research is warranted to investigate dairy farmers' motivations affecting this practice, and to quantitatively define calves' exposure to antimicrobial residues and the resulting antimicrobial resistance in calves' commensal flora on these farms.
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Affiliation(s)
| | - Michèle Bodmer
- Clinic for Ruminants, Vetsuisse Faculty, University of Bern, Bern 3012, Switzerland
| | | | - Adrian Steiner
- Clinic for Ruminants, Vetsuisse Faculty, University of Bern, Bern 3012, Switzerland
| | - Mireille Meylan
- Clinic for Ruminants, Vetsuisse Faculty, University of Bern, Bern 3012, Switzerland
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Cella E, Okello E, Rossitto PV, Cenci-Goga BT, Grispoldi L, Williams DR, Sheedy DB, Pereira R, Karle BM, Lehenbauer TW, Aly SS. Estimating the Rates of Acquisition and loss of Resistance of Enterobacteriaceae to Antimicrobial Drugs in Pre-Weaned Dairy Calves. Microorganisms 2021; 9:microorganisms9102103. [PMID: 34683424 PMCID: PMC8539406 DOI: 10.3390/microorganisms9102103] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 09/30/2021] [Accepted: 10/02/2021] [Indexed: 11/27/2022] Open
Abstract
The objective of this study was to investigate the effect of the antimicrobial drugs (AMD) on the shedding of resistant Enterobacteriaceae in feces of pre-weaned dairy calves. The AMD considered were ceftiofur, administered parenterally, and neomycin sulfate added in milk replacer and fed to calves during the first 20 days of life. Fifty-five calves, aged one to three days, were enrolled and followed to 64 days. Fecal samples were collected three times/week and treatments recorded daily. Enterobacteriaceae were quantified for a subset of 33 calves using spiral plating on plain, ceftiofur supplemented, and neomycin supplemented MacConkey agar. Negative binomial models were used to predict the association between treatment with AMD and the gain and loss of Enterobacteriaceae resistance over time. Acquisition of resistance by the Enterobacteriaceae occurred during treatment and peaked between days three to four post-treatment before decreasing to below treatment levels at days seven to eight post-treatment. Acquisition of neomycin resistance was observed on the first sampling day (day four from the start of feeding medicated milk replacer) to day eight, followed by cyclical peaks until day 29, when the Enterobacteriaceae counts decreased below pre-treatment. Enterobacteriaceae resistance against both AMD increased after AMD administration and didn’t return to pre-therapeutic status until seven or more days after therapy had been discontinued. The study findings provide valuable insights into the dynamics of Enterobacteriaceae under routine AMD use in calves.
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Affiliation(s)
- Elisa Cella
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA; (E.C.); (E.O.); (P.V.R.); (D.R.W.); (D.B.S.); (T.W.L.)
| | - Emmanuel Okello
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA; (E.C.); (E.O.); (P.V.R.); (D.R.W.); (D.B.S.); (T.W.L.)
- Department of Population Health & Reproduction, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA;
| | - Paul V. Rossitto
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA; (E.C.); (E.O.); (P.V.R.); (D.R.W.); (D.B.S.); (T.W.L.)
| | - Beniamino T. Cenci-Goga
- Laboratorio di Ispezione degli Alimenti di Origine Animale, Dipartimento di Medicina Veterinaria, Università degli Studi di Perugia, 06126 Perugia, Italy; (B.T.C.-G.); (L.G.)
| | - Luca Grispoldi
- Laboratorio di Ispezione degli Alimenti di Origine Animale, Dipartimento di Medicina Veterinaria, Università degli Studi di Perugia, 06126 Perugia, Italy; (B.T.C.-G.); (L.G.)
| | - Deniece R. Williams
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA; (E.C.); (E.O.); (P.V.R.); (D.R.W.); (D.B.S.); (T.W.L.)
| | - David B. Sheedy
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA; (E.C.); (E.O.); (P.V.R.); (D.R.W.); (D.B.S.); (T.W.L.)
| | - Richard Pereira
- Department of Population Health & Reproduction, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA;
| | - Betsy M. Karle
- Cooperative Extension, Division of Agriculture and Natural Resources, University of California, Orland, CA 95963, USA;
| | - Terry W. Lehenbauer
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA; (E.C.); (E.O.); (P.V.R.); (D.R.W.); (D.B.S.); (T.W.L.)
- Department of Population Health & Reproduction, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA;
| | - Sharif S. Aly
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA; (E.C.); (E.O.); (P.V.R.); (D.R.W.); (D.B.S.); (T.W.L.)
- Department of Population Health & Reproduction, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA;
- Correspondence:
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11
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The Effects of Feeding Waste Milk Containing Antimicrobial Residues on Dairy Calf Health. Pathogens 2021; 10:pathogens10020112. [PMID: 33499385 PMCID: PMC7911522 DOI: 10.3390/pathogens10020112] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 01/15/2021] [Accepted: 01/20/2021] [Indexed: 01/17/2023] Open
Abstract
A number of studies have reported that there is a high prevalence of antimicrobial-resistant faecal bacteria excreted by dairy calves. Although faecal shedding is influenced by a variety of factors, such as the environment and calf age, feeding milk with antimicrobial residues contributes significantly to an increased prevalence of antimicrobial-resistant (AMR) bacteria, such as extended spectrum beta-lactamase (ESBL)-producing E. coli. As a follow-up to the European Food Safety Authority (EFSA) Scientific Opinion on the risk of AMR development in dairy calves published in January 2017, this review aims to illustrate more recent research in this area, focusing on the period 2016 to 2020. A total of 19 papers are reviewed here. The vast majority assess the commensal faecal bacteria, E. coli, isolated from dairy calves, in particular its antimicrobial-resistant forms such as ESBL-producing E. coli and AmpC-producing E. coli. The effect of waste milk feeding on the prevalence of pathogens such as Salmonella spp. has also been investigated. Current research findings include positive effects on daily liveweight gain and other advantages for calf health from feeding waste milk compared to milk replacer. However, the negative effects, such as the demonstrable selection for antimicrobial-resistant bacteria, the shift in the intestinal microbiome and the possible negative consequences that these could have on global public health, should always be taken into consideration.
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12
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Lopes TS, Fontoura PS, Oliveira A, Rizzo FA, Silveira S, Streck AF. Use of plant extracts and essential oils in the control of bovine mastitis. Res Vet Sci 2020; 131:186-193. [PMID: 32388021 DOI: 10.1016/j.rvsc.2020.04.025] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 04/29/2020] [Accepted: 04/29/2020] [Indexed: 12/01/2022]
Abstract
Bovine mastitis is the most important disease affecting dairy herds worldwide, causing direct impacts on farms' profitability and food safety issues. The prevention and treatment of this pathology is especially done through antimicrobials, but the increasing antimicrobial resistance of pathogens to this disease may affect the efficiency of conventional drugs. Besides, antimicrobials residues in milk and the environment are a potential threat to human health. Thereby, the use of plant extracts and essential oils may become promising alternatives for the control of bovine mastitis. Antimicrobial properties present in several plants are well described and plant extracts and essential oils are often considered safe to animals, humans and environment. This review summarizes the current problems encountered in the conventional treatment of mastitis, the possibilities of the use of plant extracts and essential oils as alternative agents for the control of these pathogens and the limitations found in the use of these plant derivatives. Finally, the perspectives to the use of plant extracts and essential oils for the treatment of bovine mastitis are presented.
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Affiliation(s)
- Tamiris Silva Lopes
- Diagnostic Laboratory of Veterinary Medicine, Biotechnology Institute, Universidade de Caxias do Sul (UCS), Caxias do Sul, Rio Grande do Sul, Brazil
| | - Paula Scalabrin Fontoura
- Diagnostic Laboratory of Veterinary Medicine, Biotechnology Institute, Universidade de Caxias do Sul (UCS), Caxias do Sul, Rio Grande do Sul, Brazil
| | - Alexandre Oliveira
- Diagnostic Laboratory of Veterinary Medicine, Biotechnology Institute, Universidade de Caxias do Sul (UCS), Caxias do Sul, Rio Grande do Sul, Brazil
| | - Fábio Antunes Rizzo
- Large Animal Clinic, Universidade de Caxias do Sul (UCS), Caxias do Sul, Rio Grande do Sul, Brazil
| | - Simone Silveira
- Diagnostic Laboratory of Veterinary Medicine, Biotechnology Institute, Universidade de Caxias do Sul (UCS), Caxias do Sul, Rio Grande do Sul, Brazil
| | - André Felipe Streck
- Diagnostic Laboratory of Veterinary Medicine, Biotechnology Institute, Universidade de Caxias do Sul (UCS), Caxias do Sul, Rio Grande do Sul, Brazil.
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13
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Adkins PRF, Ericsson AC, Middleton JR, Witzke MC. The effect of intramammary pirlimycin hydrochloride on the fecal microbiome of early-lactation heifers. J Dairy Sci 2020; 103:3459-3469. [PMID: 32037172 DOI: 10.3168/jds.2019-17554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 12/05/2019] [Indexed: 11/19/2022]
Abstract
The purpose of this study was to determine the effect of intramammary pirlimycin on the fecal microbiome of dairy cattle. Primiparous heifers were enrolled and assigned to a treatment or control group at a ratio of 2:1. In part 1 of the study, treated heifers (T1) were given intramammary pirlimycin into one infected quarter once daily for 2 d at 24-h intervals, according to the label instructions. Control heifers received no treatment. In part 2 of the study, treated heifers (T2) were given intramammary pirlimycin into one infected quarter once daily for 8 d at 24-h intervals, according to the label instructions. All enrolled heifers (T1, T2, and control) had quarter-level milk samples aseptically collected for bacterial culture and fecal samples collected for 16S rRNA gene sequencing on d 0, 2, 7, 14, 21, and 28. Milk samples were plated on Columbia blood agar and incubated at 37°C for 24 h. Bacteria were identified using MALDI-TOF mass spectrometry. The DNA was extracted from feces using PowerFecal kits (Qiagen, Venlo, the Netherlands). The 16S rRNA gene amplicon library construction and sequencing was performed at the University of Missouri DNA Core facility. Testing for differences in fecal community composition was performed via one-way permutational multivariate ANOVA of Bray-Curtis and Jaccard similarities using Past 3.13 (https://folk.uio.no/ohammer/past/). Mean total count of operational taxonomic units and Chao1, Shannon, and Simpson α-diversity indices were determined and compared via t-test or Wilcoxon rank sum test. A treatment-dependent effect was present in the observed and predicted richness of feces from cows in the T1 group at d 2 posttreatment. Additionally, intramammary pirlimycin induced a significant change in the composition of the fecal microbiota by d 2 in the treated groups. Based on calculated intra-subject similarities, intramammary pirlimycin was associated with a significant acute change in the fecal microbiota of dairy heifers and that chance reversed when the antimicrobial exposure was brief, but sustained following longer exposure. Overall, intramammary pirlimycin administration affected the fecal microbiome of lactating dairy heifers. Further work is necessary to determine the effect of these changes on the heifer and the dairy environment as well as if treatment is influencing antimicrobial resistance among enteric and environmental bacteria.
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Affiliation(s)
- P R F Adkins
- Department of Veterinary Medicine and Surgery, University of Missouri, Columbia 65211.
| | - A C Ericsson
- Department of Veterinary Pathobiology, University of Missouri, Columbia 65211
| | - J R Middleton
- Department of Veterinary Medicine and Surgery, University of Missouri, Columbia 65211
| | - M C Witzke
- Department of Veterinary Medicine and Surgery, University of Missouri, Columbia 65211
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14
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Martins SAM, Martins VC, Cardoso FA, Germano J, Rodrigues M, Duarte C, Bexiga R, Cardoso S, Freitas PP. Biosensors for On-Farm Diagnosis of Mastitis. Front Bioeng Biotechnol 2019; 7:186. [PMID: 31417901 PMCID: PMC6684749 DOI: 10.3389/fbioe.2019.00186] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 07/15/2019] [Indexed: 12/14/2022] Open
Abstract
Bovine mastitis is an inflammation of the mammary gland caused by a multitude of pathogens with devastating consequences for the dairy industry. Global annual losses are estimated to be around €30 bn and are caused by significant milk losses, poor milk quality, culling of chronically infected animals, and occasional deaths. Moreover, mastitis management routinely implies the administration of antibiotics to treat and prevent the disease which poses serious risks regarding the emergence of antibiotic resistance. Conventional diagnostic methods based on somatic cell counts (SCC) and plate-culture techniques are accurate in identifying the disease, the respective infectious agents and antibiotic resistant phenotypes. However, pressure exists to develop less lengthy approaches, capable of providing on-site information concerning the infection, and in this way, guide, and hasten the most adequate treatment. Biosensors are analytical tools that convert the presence of biological compounds into an electric signal. Benefitting from high signal-to-noise ratios and fast response times, when properly tuned, they can detect the presence of specific cells and cell markers with high sensitivity. In combination with microfluidics, they provide the means for development of automated and portable diagnostic devices. Still, while biosensors are growing at a fast pace in human diagnostics, applications for the veterinary market, and specifically, for the diagnosis of mastitis remain limited. This review highlights current approaches for mastitis diagnosis and describes the latest outcomes in biosensors and lab-on-chip devices with the potential to become real alternatives to standard practices. Focus is given to those technologies that, in a near future, will enable for an on-farm diagnosis of mastitis.
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Affiliation(s)
- Sofia A. M. Martins
- Magnomics S.A., Parque Tecnológico de Cantanhede, Cantanhede, Portugal
- INESC Microsistemas e Nanotecnologias Rua Alves Redol, Lisbon, Portugal
| | - Verónica C. Martins
- Magnomics S.A., Parque Tecnológico de Cantanhede, Cantanhede, Portugal
- INESC Microsistemas e Nanotecnologias Rua Alves Redol, Lisbon, Portugal
| | - Filipe A. Cardoso
- Magnomics S.A., Parque Tecnológico de Cantanhede, Cantanhede, Portugal
| | - José Germano
- Magnomics S.A., Parque Tecnológico de Cantanhede, Cantanhede, Portugal
| | - Mónica Rodrigues
- Magnomics S.A., Parque Tecnológico de Cantanhede, Cantanhede, Portugal
- Faculdade de Ciências, CE3C - Centre for Ecology, Evolution and Environmental Changes, Universidade de Lisboa, Lisbon, Portugal
| | - Carla Duarte
- INESC Microsistemas e Nanotecnologias Rua Alves Redol, Lisbon, Portugal
- Faculdade de Medicina Veterinária, Avenida da Universidade Técnica, Lisbon, Portugal
| | - Ricardo Bexiga
- Faculdade de Medicina Veterinária, Avenida da Universidade Técnica, Lisbon, Portugal
| | - Susana Cardoso
- INESC Microsistemas e Nanotecnologias Rua Alves Redol, Lisbon, Portugal
| | - Paulo P. Freitas
- INESC Microsistemas e Nanotecnologias Rua Alves Redol, Lisbon, Portugal
- INL- International Iberian Nanotechnology Laboratory, Braga, Portugal
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