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1. Vine copula based likelihood estimation of dependence patterns in multivariate event time data

Author:
Barthel, Nicole; Geerdens, Candida; Killiches, Matthias; Janssen, Paul; Czado, Claudia
Source:
Computational statistics & data analysis 2018 v.117 pp. 109-127
ISSN:
0167-9473
Subject:
mastitis,   etc   ; models; vines;     Show all 3 Subjects
Abstract:
... In many studies multivariate event time data are generated from clusters having a possibly complex association pattern. Flexible models are needed to capture this dependence. Vine copulas serve this purpose. Inference methods for vine copulas are available for complete data. Event time data, however, are often subject to right-censoring. As a consequence, the existing inferential tools, e.g. likel ...
DOI:
10.1016/j.csda.2017.07.010

2. Disposition of ceftizoxime in Staphylococcal mastitis in Indian crossbred cows

Author:
Buragohain, Rinku; Sar, Tapas Kumar; Samanta, Indranil; Biswas, Ujjwal; Mandal, Tapan Kumar
Source:
The veterinary journal 2019 v.245 pp. 12-14
ISSN:
1090-0233
Subject:
mastitis,   etc   ; cows; crossbreds; detection limit; intravenous injection; lactation; milk;     Show all 7 Subjects
Abstract:
... Disposition of ceftizoxime was studied in Indian crossbred cows following a single IV dosing in field conditions. Six healthy lactating and six mastitic crossbred cows were assigned to two groups (Group 1 and Group 2). A single IV administration of ceftizoxime at the dose rate of 20mg/kg was administered to cows in both groups. Peak concentrations were recorded at 5min, decreasing sharply until 1h ...
DOI:
10.1016/j.tvjl.2018.12.025

3. Udder and teat conformational risk factors for elevated somatic cell count and clinical mastitis in New York Holsteins

Author:
Miles, Asha M.; McArt, Jessica A.A.; Leal Yepes, Francisco A.; Stambuk, Cassandra R.; Virkler, Paul D.; Huson, Heather J.
Source:
Preventive veterinary medicine 2019 v.163 pp. 7-13
ISSN:
0167-5877
Subject:
California mastitis test; bovine mastitis,   etc   ; Holstein; cohort studies; confidence interval; cows; experimental design; farmers; lactation; milk; odds ratio; regression analysis; risk factors; somatic cell count; udders; New York;     Show all 16 Subjects
Abstract:
... Our primary objective was to identify udder and teat conformational risk factors associated with the occurrence of elevated somatic cell count (SCC) and clinical mastitis using a prospective cohort study design with careful assessment of exposure and disease outcomes. Mastitis prevalence was evaluated by parity across 6 sampling periods representing key physiological transitions during lactation: ...
DOI:
10.1016/j.prevetmed.2018.12.010

4. Evaluation of 3 esterase tests for the diagnosis of subclinical mastitis at dry-off and freshening in dairy cattle

Author:
Kandeel, S.A.; Megahed, A.A.; Ebeid, M.H.; Constable, P.D.
Source:
Journal of dairy science 2019 v.102 no.2 pp. 1402-1416
ISSN:
0022-0302
Subject:
California mastitis test; mastitis,   etc   ; bacterial culture; calving; color; cows; dairy cattle; enzyme activity; esterases; graphs; regression analysis; secretion; somatic cell count; Sweden;     Show all 14 Subjects
Abstract:
... Subclinical mastitis (SCM) and intramammary infection (IMI) increase esterase activity in the glandular secretions of dairy cattle. Our objective was to evaluate the clinical performance of 3 commercially available esterase tests for diagnosing SCM and IMI. Foremilk samples were collected from 380 quarters (96 cows) at dry-off and from 329 quarters (83 cows) within 4 to 7 d after calving. Quarter ...
DOI:
10.3168/jds.2017-14345

5. Evaluation of systematic California Mastitis Tests and vaginal examinations as measures of antimicrobial use in dairy herds

Author:
Krogh, M.A.; Forkman, B.; Østergaard, S.; Houe, H.; Sørensen, J.T.
Source:
The veterinary journal 2018 v.240 pp. 37-39
ISSN:
1090-0233
Subject:
California mastitis test; mastitis,   etc   ; animal health; clinical examination; cows; dairy herds; endometritis; statistical analysis; variance;     Show all 9 Subjects
Abstract:
... Antimicrobial use is a commonly applied proxy for animal health and welfare impairment related to disease status in dairy herds. The objective of this study was to estimate the association between antimicrobial use and the results of systematic clinical examinations for metritis and mastitis. Data was collected from 109 Danish dairy herds over a 5-year period. Statistical analysis demonstrated tha ...
DOI:
10.1016/j.tvjl.2018.08.011

6. Development and validation of a measurement scale for self-efficacy for farmers’ mastitis prevention in dairy cows

Author:
Lind, Nina; Hansson, Helena; Lagerkvist, Carl Johan
Source:
Preventive veterinary medicine 2019 v.167 pp. 53-60
ISSN:
0167-5877
Subject:
mastitis,   etc   ; cognition; dairy cows; dairy industry; farmers; questionnaires; self-efficacy; udders;     Show all 8 Subjects
Abstract:
... The purpose of this study was twofold. First, we developed and validated the domain-specific Mastitis Prevention Self-Efficacy scale (MPSES), derived from developing a corresponding scale for the General Self-Efficacy Scale and consisting of 10 items describing dairy farmers’ feelings of confidence about being able to prevent, reduce and control mastitis, a common infection of the udder. Second, f ...
DOI:
10.1016/j.prevetmed.2019.03.025

7. Impact of a Wide Range of Teat Lengths on Udder Healt h and Milking Time in Holstein Cows

Author:
Gašparík, M.; Ducháček, J.; Stádník, L.; Tančin, V.
Source:
Scientia Agriculturae Bohemica 2019 v.50 no.2 pp. 80-88
ISSN:
1805-9430
Subject:
bovine mastitis,   etc   ; Holstein; dairy cows; lactation; milk; milk yield; milking; somatic cell count; teats; udders;     Show all 10 Subjects
Abstract:
... The objective of our experiment was to evaluate the impact of teat length on milk yield, actual milking time (AMT), milk conductivity (MC), somatic cell count (SCC) and mastitis incidence during lactation. The effect of teat length was evaluated as the occurrence of non-ideal teats (NIT; shorter than 40 mm or longer than 60 mm) at udder level and as the average length of teats on udder (ALTU). The ...
DOI:
10.2478/sab-2019-0012

8. Genotyping and study of adherence-related genes of Streptococcus uberis isolates from bovine mastitis

Author:
Fessia, Aluminé S.; Dieser, Silvana A.; Raspanti, Claudia G.; Odierno, Liliana M.
Source:
Microbial pathogenesis 2019 v.130 pp. 295-301
ISSN:
0882-4010
Subject:
bovine mastitis,   etc   ; Streptococcus uberis; genes; genotyping; nucleotides; polymerase chain reaction; pulsed-field gel electrophoresis; Argentina;     Show all 8 Subjects
Abstract:
... The aim of this study was to determine the presence, conservation, and distribution of 6 potential adherence genes and their relationship with diverse molecular types in 34 S. uberis isolated from bovine mastitis in Argentina. Pulsed-field gel electrophoresis (PFGE) typing with SmaI was performed. The PCR for the detection of each gene, scpA, acdA, fbp, lbp, lmb, and sua was standardized. Samples ...
DOI:
10.1016/j.micpath.2019.03.027

9. Putative virulence factors of extra‐intestinal Escherichia coli isolated from bovine mastitis with different clinical scores

Author:
Guerra, S.T.; Dalanezi, F.M.; de Paula, C.L.; Hernandes, R.T.; Pantoja, J.C.F.; Listoni, F.J.P.; Langoni, H.; Ribeiro, M.G.
Source:
Letters in applied microbiology 2019 v.68 no.5 pp. 403-408
ISSN:
0266-8254
Subject:
bovine mastitis,   etc   ; bacterial motility; extraintestinal pathogenic Escherichia coli; genes; signs and symptoms (animals and humans); virulence;     Show all 6 Subjects
Abstract:
... We investigated the genes kpsMTII, iucD, sfaDE, afaBC, papA and papC, (proposed to be involved in extra‐intestinal pathogenic Escherichia coli—ExPEC), phylogroup classification and the in vitro swimming and swarming motility in 50 E. coli isolated from bovine mastitis with different clinical severity scores (mild, moderate and severe). The aforementioned genes were detected in 12 (n = 12/50; 24·0% ...
DOI:
10.1111/lam.13113

10. Short communication: Search for superantigen genes in coagulase-negative staphylococci isolated from bovine milk in Canada

Author:
Corbeil, A.; Labrie, J.; Goetz, C.; Dufour, S.; Doghri, I.; Rivière, L.; Jacques, M.
Source:
Journal of dairy science 2019 v.102 no.3 pp. 2008-2010
ISSN:
0022-0302
Subject:
bovine mastitis,   etc   ; cattle; coagulase negative staphylococci; genes; milk; milk quality; pathogens; polymerase chain reaction; superantigens; Quebec;     Show all 10 Subjects
Abstract:
... The objective of the present study was to look for genes encoding for superantigens in bovine coagulase-negative staphylococci (CNS) isolated from milk in Canada. We screened by PCR 71 bovine CNS isolates, obtained from the Mastitis Pathogen Culture Collection managed by the Canadian Bovine Mastitis and Milk Quality Research Network (St-Hyacinthe, QC, Canada), for the presence of 13 superantigen g ...
DOI:
10.3168/jds.2018-15648

11. Economic and epidemiological impact of different intervention strategies for clinical contagious mastitis

Author:
Gussmann, Maya; Steeneveld, Wilma; Kirkeby, Carsten; Hogeveen, Henk; Nielen, Mirjam; Farre, Michael; Halasa, Tariq
Source:
Journal of dairy science 2019 v.102 no.2 pp. 1483-1493
ISSN:
0022-0302
Subject:
mastitis,   etc   ; Staphylococcus aureus; antibiotics; cost effectiveness; cows; dairy cattle; herds; income; probability;     Show all 9 Subjects
Abstract:
... The overall aim of this study was to compare different intervention strategies for clinical intramammary infections (IMI). We conducted a simulation study to represent a Danish dairy cattle herd with IMI caused mostly by Staphylococcus aureus and 9 different intervention strategies for clinical IMI. A standard intervention of 3 d of treatment consisting of intramammary injections for all clinical ...
DOI:
10.3168/jds.2018-14939

12. Protease activity and protein profile in milk from healthy dairy cows and cows with different types of mastitis

Author:
Caggiano, N.; Lorenzo Smirnoff, A.; Bottini, J.M.; De Simone, E.A.
Source:
International dairy journal 2019 v.89 pp. 1-5
ISSN:
0958-6946
Subject:
mastitis,   etc   ; dairy cows; enzyme activity; kappa-casein; milk; milk production; morbidity; mortality; protein composition; proteinases;     Show all 10 Subjects
Abstract:
... Mastitis in dairy cattle has high morbidity and mortality rates, having serious consequences in milk production and quality. The aim of this work was to evaluate the activity of metalloproteinase-2 (MMP-2) and metalloproteinase-9 (MMP-9) in milk from healthy dairy cattle and from cows with signs of clinical and subclinical mastitis. The levels of total proteins and proteases with caseinolytic acti ...
DOI:
10.1016/j.idairyj.2018.07.020

13. Study of potential environmental factors predisposing ewes to subclinical mastitis in Greece

Author:
Vasileiou, N.G.C.; Giannakopoulos, A.; Cripps, P.J.; Ioannidi, K.S.; Chatzopoulos, D.C.; Gougoulis, D.A.; Billinis, C.; Mavrogianni, V.S.; Petinaki, E.; Fthenakis, G.C.
Source:
Comparative immunology, microbiology, and infectious diseases 2019 v.62 pp. 40-45
ISSN:
0147-9571
Subject:
mastitis,   etc   ; Staphylococcus aureus; environmental factors; etiological agents; ewes; farms; global positioning systems; milk; temperature; topography; Greece;     Show all 11 Subjects
Abstract:
... Objectives of the work presented herewith were to investigate association of prevalence of subclinical mastitis with environmental (climatic and topographic) factors and to identify factors potentially predisposing ewes to the disease. Milk samples were collected from 2198 sheep in 111 farms, in all 13 administrative regions of Greece, for bacteriological and cytological examination. Data on farm ...
DOI:
10.1016/j.cimid.2018.11.011

14. Use and efficacy of homeopathy in prevention and treatment of bovine mastitis

Author:
Zeise, Johanna; Fritz, Jürgen
Source:
Open Agriculture 2019 v.4 no.1 pp. 203-212
ISSN:
2391-9531
Subject:
bovine mastitis,   etc   ; antibiotics; dairy farming; disease control; drug therapy; farmers; homeopathic drugs; long term effects;     Show all 8 Subjects
Abstract:
... Bovine mastitis is an important disease in dairy farming. As alternative therapy to antibiotics, whose use is seen as increasingly critical, farmer try to treat mastitis with homeopathy, for example. The present study examined i) whether homeopathic treatments for bovine mastitis can have positive treatment outcomes, ii) which treatments have been successful and under which conditions, iii) indica ...
DOI:
10.1515/opag-2019-0019

15. Acute-phase inter-alpha-trypsin inhibitor heavy chain 4 (ITIH4) levels in serum and milk of cows with subclinical mastitis caused by Streptococcus species and coagulase-negative Staphylococcus species

Author:
Soler, Lourdes; Dąbrowski, Roman; García, Natalia; Alava, María A.; Lampreave, Fermín; Piñeiro, Matilde; Wawron, Władysław; Szczubiał, Marek; Bochniarz, Mariola
Source:
Journal of dairy science 2019 v.102 no.1 pp. 539-546
ISSN:
0022-0302
Subject:
mastitis,   etc   ; Holstein; Streptococcus; blood serum; coagulase negative staphylococci; cows; herds; milk; Poland;     Show all 9 Subjects
Abstract:
... The aim of the study was to investigate the concentrations of acute-phase inter-α-trypsin inhibitor heavy chain 4 (ITIH4) in serum and milk of cows with subclinical mastitis caused by Streptococcus spp. (STR) and coagulase-negative Staphylococcus spp. (CNS) and healthy cows. The blood and milk samples were obtained from 60 mid-lactation, multiparous Holstein-Friesian cows from 7 herds in the Lubli ...
DOI:
10.3168/jds.2018-14953

16. Short communication: Activity of nisin, lipid bilayer fragments and cationic nisin-lipid nanoparticles against multidrug-resistant Staphylococcus spp. isolated from bovine mastitis

Author:
Castelani, L.; Arcaro, J.R.P.; Braga, J.E.P.; Bosso, A.S.; Moura, Q.; Esposito, F.; Sauter, I.P.; Cortez, M.; Lincopan, N.
Source:
Journal of dairy science 2019 v.102 no.1 pp. 678-683
ISSN:
0022-0302
Subject:
bovine mastitis,   etc   ; Staphylococcus; etiological agents; lipid bilayers; lipids; multiple drug resistance; nanoparticles; nisin; quaternary ammonium compounds;     Show all 9 Subjects
Abstract:
... Staphylococci are the main etiological agents of bovine mastitis. Bacteriocins and nanoparticles have emerged as promising alternatives for the future development of antimicrobial agents. This study evaluated the activity of the bacteriocin nisin and bicelles of the synthetic cationic lipid dioctadecyldimethylammonium bromide, alone and in combination, against multidrug-resistant Staphylococcus sp ...
DOI:
10.3168/jds.2018-15171

17. A descriptive study of the clinical condition of cull dairy cows before transport to slaughter

Author:
Dahl-Pedersen, Kirstin; Herskin, Mette S.; Houe, Hans; Thomsen, Peter T.
Source:
Livestock science 2018 v.218 pp. 108-113
ISSN:
1871-1413
Subject:
mastitis,   etc   ; dairy cows; dairy herds; descriptive studies; slaughter;     Show all 5 Subjects
Abstract:
... Despite its high relevance for fitness for transport, the clinical condition of cull dairy cows before they are sent to slaughter has received very little scientific attention. Here, we report descriptive clinical data from cull Danish dairy cows, examined on-farm in the hours before transport to slaughter. A total of 411 cows, with a median parity of 3 (range: 1–10), from 20 Danish dairy herds, a ...
DOI:
10.1016/j.livsci.2018.11.001

18. Slime-producing staphylococci as causal agents of subclinical mastitis in sheep

Author:
Vasileiou, N.G.C.; Chatzopoulos, D.C.; Gougoulis, D.A.; Sarrou, S.; Katsafadou, A.I.; Spyrou, V.; Mavrogianni, V.S.; Petinaki, E.; Fthenakis, G.C.
Source:
Veterinary microbiology 2018 v.224 pp. 93-99
ISSN:
0378-1135
Subject:
mastitis,   etc   ; Staphylococcus aureus; etiology; ewes; flocks; genes; milking; models; Greece;     Show all 9 Subjects
Abstract:
... Hitherto, research work in slime production from staphylococcal strains of mastitis origin has focused in laboratory properties of these organisms. Objective of present work was to study subclinical mastitis in sheep, caused specifically by slime-producing staphylococci: to investigate its frequency and to identify potential factors playing a role therein. Slime production was evaluated in 708 sta ...
DOI:
10.1016/j.vetmic.2018.08.022

19. A review of test protocols for the evaluation of teat disinfectants

Author:
Fitzpatrick, Sarah; Garvey, Mary; Gleeson, David
Source:
International journal of dairy technology 2018 v.71 no.3 pp. 553-563
ISSN:
1364-727X
Subject:
mastitis,   etc   ; agar; dairy herds; disinfectants; disinfection; experimental design; protocols;     Show all 7 Subjects
Abstract:
... The prevention of mastitis is the most important part of a mastitis control programme. Postmilking disinfection is considered the most effective procedure for preventing new intramammary infections in dairy herds. This article reviews the different protocols used to evaluate the efficacy of teat disinfectant products. These protocols include experimental challenge, natural exposure and excised tea ...
DOI:
10.1111/1471-0307.12516

20. Management and prevention of mastitis: A multifactorial approach with a focus on milking, bedding and data-management

Author:
De Vliegher, Sarne; Ohnstad, Ian; Piepers, Sofie
Source:
Journal of integrative agriculture 2018 v.17 no.6 pp. 1214-1233
ISSN:
2095-3119
Subject:
bovine mastitis,   etc   ; cows; dairy industry; farmers; milking; pathogens;     Show all 6 Subjects
Abstract:
... Mastitis is a complex, multifactorial disease. Pathogens, cows and farmers (via management) all play a role. It is costly and annoying for the farmer and threatens the image of the entire dairy industry. Prevention and control of mastitis is based on multiple principles that have been known for a long time. To implement them successfully, they should be put forward by a motivated and motivating ad ...
DOI:
10.1016/S2095-3119(17)61893-8