Mastitis—The Strategy of Control

Dodd, F. H.; Westgarth, D. R.; Neave, F. K.; Kingwill, R. G.

doi:10.3168/jds.s0022-0302(69)86631-2

Cited by 89 publications

(44 citation statements)

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“…Many countries require manual forestripping of quarters to detect clinical signs such as clots or watery milk. However, according to Dodd et al (1969), milking staff detected only 80% of clinical mastitis events by examining foremilk and the udder. A later study found a similar detection rate for groups of trained and untrained people who were asked to evaluate a series of milk samples (Rasmussen 2005).…”

Section: Introductionmentioning

confidence: 98%

An automated in-line clinical mastitis detection system using measurement of conductivity from foremilk of individual udder quarters

Claycomb¹,

Johnstone²,

Mein³

et al. 2009

New Zealand Veterinary Journal

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Section: Introductionmentioning

confidence: 98%

An automated in-line clinical mastitis detection system using measurement of conductivity from foremilk of individual udder quarters

Claycomb¹,

Johnstone²,

Mein³

et al. 2009

New Zealand Veterinary Journal

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“…Since the 1960s, in order to control the risk of new IMI after drying-off, and also to try to eliminate existing IMI, a blanket dry cow antibiotic treatment (blanket DCT) has been recommended at drying-off for all cows, as a component of the "5 Points Mastitis Control Plan" [19,36,49,51]. Blanket DCT is today widely implemented, with an adoption rate ranging from 75 to 99% depending 26 A.…”

Section: Introductionmentioning

confidence: 99%

Incidence of intramammary infections during the dry period without or with antibiotic treatment in dairy cows – a quantitative analysis of published data

2006

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-The study was aimed at summarising the literature that compares the incidence levels of spontaneously occurring intramammary infections (IMI) during the dry period, without versus with antibiotic dry cow treatment (DCT). A meta-analytic relative risk (RR) calculation was implemented when a priori relevant. Two main categories of comparison were used in the 36 selected papers. In the first category, the udder quarters were randomly allocated (at quarter or cow level) to an untreated or a treated group. Quarter incidence averaged 12.8% (weighted mean) in untreated quarters, and depending on the DCT used, from 6.6 to 8.0% in treated quarters. The meta-analytic RR of new IMI for untreated versus treated quarters varied from 1.54 to 1.94, depending on the DCT used. DCT was mainly found effective against IMI due to streptococci and coagulase-positive staphylococci. Based on only a few papers, the application of an internal teat sealer was associated to a quite similar (or possibly better) protection against IMI than DCT, but only in a subpopulation of particular (selected) cows. In the second category of studies, a selective dry cow or quarter antibiotic-treatment (selective DCT or DQT), according to cow or quarter selection criteria, was compared to blanket DCT. The meta-analytic RR of new IMI was 1.71 for selective DCT versus blanket DCT. Selective DQT seemed to be more at risk than selective DCT, but consisted of treating a much lower proportion of quarters. The summary-results provided by our meta-analysis should only be used with caution, due to possibly low external validity. More research seems to be relevant on the risk factors of new IMI during the dry period to make the outcomes of omission of DCT in selected cows more predictable under field conditions. dairy cow / mastitis / risk / dry-cow treatment / meta-analysis

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“…Work at the National Institute for Research in Dairying (NIRD) in England led by Frank Dodd and his team paved the way for what became known as the "Five-point Plan of Mastitis Control" [14,15]. Dodd was a frequent invited speaker at NMC annual meetings during the formative years of the organization.…”

Section: Mastitis Control Programsmentioning

confidence: 99%

The National Mastitis Council: A Global Organization for Mastitis Control and Milk Quality, 50 Years and Beyond

Middleton

Saeman²,

Fox

et al. 2014

J Mammary Gland Biol Neoplasia

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The National Mastitis Council was founded in 1961 based on the desire of a forward-thinking group of individuals to bring together "all forces of organized agriculture in the United States to combat, through every practical device, the mastitis threat to the Nation's health and food safety". What started as a small organization focused on mastitis of dairy cattle in the United States has grown into a global organization for mastitis and milk quality. Over the last 50-plus years the concerted efforts of the membership have led to the synthesis and dissemination of a considerable body of knowledge regarding udder health, milk quality, and food safety which has improved dairy cattle health and well-being and farm productivity.

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Mastitis—The Strategy of Control

Cited by 89 publications

References 0 publications

An automated in-line clinical mastitis detection system using measurement of conductivity from foremilk of individual udder quarters

An automated in-line clinical mastitis detection system using measurement of conductivity from foremilk of individual udder quarters

Incidence of intramammary infections during the dry period without or with antibiotic treatment in dairy cows – a quantitative analysis of published data

The National Mastitis Council: A Global Organization for Mastitis Control and Milk Quality, 50 Years and Beyond

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