Prevalence of Subclinical Mastitis in Lactating Cows and Efficacy of Intramammary Infusion Therapy

Tripura, TK; Sarker, SC; Sk, Roy; Parvin,; Sarker, Roma Rani; Rahman, Akm Anisur; Islam, Mohammad Tajul

doi:10.3329/bjvm.v12i1.20464

Cited by 14 publications

(12 citation statements)

References 25 publications

(21 reference statements)

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“…The Right hind (RH) quarter was the second followed by Left hind (LH) and Left front (LF) quarter. The quarter wise prevalence of the present result disagree with the report of [51] who reported 28.1% in Left Front (LF), 33.1% in Left Hind (LH), 24.5% in Right Front (RF), and 17.3% in Right Hind (RH) quarters which was higher in prevalence in Left Front (LF) and Left Hind (LH) quarters. Higher prevalence of subclinical mastitis in Right front (RF) and Right hind (RH) compared to the other two quarter found in the present study was most probably due to the ease of grasping the right front quarters first while milking and the higher production capacity of hind quarters [11] and the chance of getting environmental and fecal contamination also in the case of hind quarters [33].…”

Section: Discussioncontrasting

confidence: 99%

Prevalence and Associated Risk Factors of Cow Mastitis among Small Scale Farmers and Dairy Farms in Western Tigray, Northwest Ethiopia

Berhe

Belay

Gebrekidan

2019

JAERI

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A cross sectional study was carried out from November 2017 to June 2018 to assess awareness status and management practice common among dairy cows owners and to determine the prevalence of bovine mastitis and its associated risk factors in four districts and nine kebelles of Western Zone of Tigray Regional State, North West Ethiopia. In this study, out of the 355 dairy cows and 1314 functional quarters examined, 99(27.89%) cows and 142(10.81%) quarters were found positive for sub-clinical mastitis on California Mastitis Test (CMT). In addition, from the 355 dairy cows and 1420 quarters examined, 88(24.79%) and 108(7.61%) cows and teats respectively, were found to be blind. From the total risk factors considered, statistically significant association (P<0.05) was found in different breed, udder type and parity. Semi structured questionnaires surveys were distributed to 87(95.60%) males and 4(4.40%) females. According to the survey result, 76(83.52%) of the dairy cow owners housed their cows in open area with muddy or soily floor type. From the total 91 interviewed 32(35.16%) regularly dispose dung and cleaning of house. During the survey, udder management before and after milking was assessed. According to the response of 89(97.80%) milkers washed their hands prior to milking and 2(2.20%) did not. From the total 91interviewed individuals, 13(14.29%) milkers disinfect their hands before proceeding to milk the next cow while 78(85.71%) did not. During the survey, sequence of milking cows was assessed. Based on the response of respondents, 85(93.41%) of the milker did not follow sequence of milking and the rest 6(6.59%) milkers emphasized the need to follow the order of milking. The result of the present study indicated a relatively high prevalence of subclinical mastitis and with higher incidence of one or more nonfunctional teat which impose higher economic loss to the dairy owners. Lack of strategic control measures and improper attention to the health of the mammary glands contribute the higher infestation rate. Better management practices in milking and adequate housing with proper sanitation should be provided.

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Section: Discussioncontrasting

confidence: 99%

Prevalence and Associated Risk Factors of Cow Mastitis among Small Scale Farmers and Dairy Farms in Western Tigray, Northwest Ethiopia

Berhe

Belay

Gebrekidan

2019

JAERI

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“…The current findings corroborate with those reported in recent studies and in the same country (51.8%) [ 21 ] using electrical conductivity and in Tanzania (51.6%) [ 22 , 23 ], in Ethiopia, all have used CMT to screen for SCM at cow level. It was also similar to those reported from other countries: 49.5%, 51.8%, and 52.4% in South Wales in Australia [ 24 ], in Bangladesh [ 25 ], and in Uruguay [ 26 ], respectively, all using CMT. However, this reported that SCM prevalence was lower than those reported in recent studies in East Africa; 86.2%, 64% and 59.2% in Uganda [ 27 ], in Kenya [ 28 ], and [ 23 ] in Ethiopia, respectively, and elsewhere, 88.6%, by [ 29 ] in Vietnam all have used CMT to screen for SCM at cow level.…”

Section: Discussionsupporting

confidence: 89%

Prevalence of Subclinical Mastitis and Distribution of Pathogens in Dairy Farms of Rubavu and Nyabihu Districts, Rwanda

Mpatswenumugabo

Bebora

Gitao

et al. 2017

Journal of Veterinary Medicine

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A cross-sectional study was conducted from May 2016 to January 2017 in Rubavu and Nyabihu districts, Western Rwanda, aiming at estimating the prevalence of subclinical mastitis (SCM) and identifying its causative bacteria. Management practices and milking procedures were recorded through a questionnaire. 123 crossbreed milking cows from 13 dairy farms were randomly selected and screened for SCM using California Mastitis Test (CMT). Composite CMT positive milk samples were processed for bacterial isolation and identification. The overall SCM prevalence at cow level was 50.4%. 68 bacterial isolates were identified by morphological and biochemical characteristics. They included, Coagulase Negative Staphylococci (51.5%), Staphylococcus aureus (20.6%), Streptococcus species (10.3%), Bacillus species (10.3%), Streptococcus agalactiae (5.8%), and Escherichia coli (1.5%). About 67.1% of the farmers checked for mastitis; of these, 58.9% relied on clinical signs and only 6.8% screened with CMT. Only 5.5% and 2.7% of the farmers tried to control mastitis using dry cow therapy and teat dips, respectively. Thus, to reduce the prevalence of SCM, farmers in the study area need to be trained on good milking practices, including regular use of teat dips, application of dry cow therapy, and SCM screening. This will improve their sales and their financial status.

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“…However, Sarker et al [23] and Sumon et al [17] found only 20.2% and 25% prevalence of SCM in dairy cows, respectively. A medium ranged prevalence of SCM (50.4% and 58%, respectively) was reported by Tripura et al [24] and Mpatswenumugabo et al [25]. This variation might be due to differences in management practices of the cows and geographical location.…”

Section: Resultsmentioning

confidence: 77%

Development and validation of BLRI Mastitis Test Kit at Bangladesh Livestock Research Institute Regional Station, Sirajganj

et al. 2019

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Objective:The objective of this study was to develop a low-cost kit for the detection of subclinical mastitis (SCM) and to check its validity, reproducibility, and efficacy at the field level.Materials and Methods:A total of 550 quarter milk samples from crossbred dairy cows were collected, of which 400 milk samples were used to validate the newly developed BLRI mastitis test (BMT) kit to justify its efficacy as an individual test kit in detecting SCM based on somatic cell count (SCC) by direct microscopic count (DMC). The efficacy of the newly developed BMT was compared with the California Mastitis Test (CMT) kit. Another 150 milk samples were subjected to SCC determined by DMC and DCC (De Laval cell counter®) categorized by CMT and BMT scores.Results:A SCM test kit, namely, BMT kit was successfully developed in this study. The percentage accuracy of CMT and BMT were 76.75% and 75.75%; sensitivity 69.36% and 67.56%; specificity 85.95% and 85.85%; positive predictive value 86.03% and 85.71%; negative predictive value 69.23% and 68%, respectively. A p value of 0.001 was found for both CMT and BMT. However, CMT and BMT had no significant difference in sensitivity (p = 0.778). Average SCCs (cells/ml) determined by DCC and DMC, respectively, were mostly corresponded to the SCC ranges of both CMT and BMT scores.Conclusion:The newly developed BMT kit is an independent, cheap, farmer-friendly, first country made, and reliable SCM diagnostic test kit that can be used at field condition.

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Prevalence of Subclinical Mastitis in Lactating Cows and Efficacy of Intramammary Infusion Therapy

Cited by 14 publications

References 25 publications

Prevalence and Associated Risk Factors of Cow Mastitis among Small Scale Farmers and Dairy Farms in Western Tigray, Northwest Ethiopia

Prevalence and Associated Risk Factors of Cow Mastitis among Small Scale Farmers and Dairy Farms in Western Tigray, Northwest Ethiopia

Prevalence of Subclinical Mastitis and Distribution of Pathogens in Dairy Farms of Rubavu and Nyabihu Districts, Rwanda

Development and validation of BLRI Mastitis Test Kit at Bangladesh Livestock Research Institute Regional Station, Sirajganj

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