scholarly journals Prevalence and risk factors of mastitis in dairy cows

1970 ◽  
Vol 26 (2) ◽  
pp. 54-60 ◽  
Author(s):  
MA Rahman ◽  
MMU Bhuiyan ◽  
MM Kamal ◽  
M Shamsuddin
Keyword(s):  
Risk Factors ◽  
Dairy Cows ◽  
Dairy Farms ◽  
Clinical Mastitis ◽  
Dry Season ◽  
The Other ◽  
Wet Season ◽  
Lactating Cows ◽  
California Mastitis Test ◽  
Control Programmes

Identification of risk factors is important for the design of control programmes for mastitis in cows. Information about farms and management was collected at a farm visit. California Mastitis Test (CMT) was performed to assess sub-clinical mastitis, and cows, udder and milk were examined for clinical mastitis. A total of 347 lactating cows from 83 farms in the dry season (November - February) and 388 lactating cows from 89 farms in the wet season (June - October) were studied. The overall prevalence of mastitis was 19.9% and 44.8% in dry and wet seasons, respectively. The prevalence of mild mastitis was 17.3% and 40.7%, whereas that of moderate mastitis was 2.6% and 4.1% in dry and wet seasons, respectively. The prevalence of mastitis was higher (P<0.01) in wet than in dry season. On average, 18.7% quarters had mastitis during the wet season and 6.9% in the dry season. In the dry and wet seasons, respectively, 63.9% and 11.2% had completely dry floors, and the prevalence of mastitis was 22.6% and 30.0%. On the other hand, 88.8% and 36.1% of 83 farms had partly or completely wet and soiled floor and the prevalence of mastitis was 40.0% and 59.5% in the dry and wet seasons, respectively. Udder cleanliness, milk yield and peri-parturient diseases significantly (P<0.01) increased the risk of mastitis. The prevalence of mastitis is regarded as quite high. Dry and clean floor to keep cow's udder and teat clean would help control mastitis in the dairy farms of Bangladesh. DOI: 10.3329/bvet.v26i2.4951 Bangl. vet. 2009. Vol. 26, No. 2, 54-60

scholarly journals Epidemiology of Bovine Mastitis and Associated Risk Factors in East Shewa Zone of Oromia Regional State, Ethiopia

2017 ◽  
Vol 2 (2) ◽  
pp. 1-6
Author(s):  
Sadia Hajie
Keyword(s):  
Risk Factors ◽  
Clinical Examination ◽  
Bovine Mastitis ◽  
Clinical Mastitis ◽  
Cross Sectional Study ◽  
Cross Sectional ◽  
Lactating Cows ◽  
Stage Of Lactation ◽  
California Mastitis Test ◽  
Smallholder Dairy

A cross sectional study was conducted in selected districts of East Shewa Zone of Oromia Regional Stat from November 2013 to April 2014 on dairy cows to determine the prevalence of mastitis and determinant of its major risk factors. The study was done on 250 lactating cows, of which 109 were local and 14 1 cross breed by using clinical examination , California mastitis test (CMT) and culture. Of these 108 (43.2 %) were positive by clinical examination and CMT for clinical and sub clinical mastitis, with prevalence of 4 % and 38.8 %, respectively. All the p otential risk factors considered in this study namely, parity ( p < 0.05), breed (p< 0.05), age (p < 0.05), stage of lactation (p < 0.05),breed (p < 0.05) and husbandry (p < 0.05) showed a significant effect on prevalence of mastitis in present study. Thus , high prevalencence of mastitis was observed in older cows >7 years and cows with parity >7 but high prevalence was obtained on early and late stage of lactation. The study also revealed that cross breed lactating cows and those managed intensively were s usceptible to mastitis. The highly prevalent bacteria isolated were Staphylococcus aurous (46 %) followed by Streptococcus agalactiae which accounts (19.4 %), and others were Staphylococcus intermidius, E. coli and Corynebacterial species with respective pr oportion of 16.6, 10.9 and 7.1%. The present study also revealed that mastitis is the major problem in smallholder dairy farms in the study area specially the sub clinical form, so that creation of awareness about the importance and prevention of subclinic al mastitis among smallholder dairy farmers, milking infected animals and periodic monitoring of infection status of the udder is recommended.

scholarly journals Prevalence and Bacterial Isolates of Mastitis in Dairy Farms in Selected Districts of Eastern Harrarghe Zone, Eastern Ethiopia

2017 ◽  
Vol 2017 ◽  
pp. 1-7 ◽  
Author(s):  
Tesfaheywet Zeryehun ◽  
Gerema Abera
Keyword(s):  
Dairy Cows ◽  
Bacterial Pathogens ◽  
Dairy Farms ◽  
Subclinical Mastitis ◽  
Coagulase Negative Staphylococcus ◽  
Eastern Ethiopia ◽  
Lactating Cows ◽  
California Mastitis Test ◽  
Associated Risk Factors ◽  
Standard Techniques

The study was conducted from November 2015 to April 2016 to estimate the prevalence of clinical and subclinical mastitis in lactating cows, to assess the associated risk factors, and to isolate the major bacterial pathogens in dairy farms in selected district of Eastern Harrarghe Zone, Eastern Ethiopia. The study was carried out in 384 dairy cows based on data collection, farm visit, animal examination, California mastitis test (CMT), and isolation bacterial pathogens using standard techniques. In the present study the overall mastitis at cow level was 247 (64.3%). The prevalence of clinical and subclinical mastitis and quarter level prevalence for clinical and subclinical mastitis were 12.5% and 51.8% at cow level and 10.7% and 46.4% at quarter level, respectively. Clinically, 101 (6.6%) quarters which belong to 75 (19.5%) animals were found to be with blind teat. In the present study prevalence of mastitis was significantly associated with parity and age (p<0.05). Bacteriological examination of milk sample revealed 187 isolates where coagulase negative Staphylococcus species (CNS) (34.2%) was the predominant species while Streptococcus faecalis (2.1%) was identified as the least bacteria. The present study concluded that prevalence of mastitis particularly the subclinical mastitis was major problem of dairy cows in the area and hence warrants serious attention.

Effects of providing supplements during the wet season on beef production in the Darwin district of the Northern Territory.

1991 ◽  
Vol 13 (1) ◽  
pp. 3 ◽  
Author(s):  
TH McCosker ◽  
PK O'Rourke ◽  
AR Eggington
Keyword(s):  
Dry Season ◽  
Pregnancy Rates ◽  
The Other ◽  
Similar Response ◽  
Wet Season ◽  
Protein Nitrogen ◽  
Protein Supplements ◽  
Factors Affecting ◽  
Lactating Cows ◽  
Mineral Supplementation

The effects of four wet season supplementation regimes on the pregnancy rates, mortality and liveweight of 870 Brahman x Shorthorn cross cattle (cows, bulls, heifers and steers) were investigated on Mt Bundey Station from 1980 to 1984. Treatments imposed were (i) Control (no wet season supplement), (ii) Mineral (supplementation with 13 minerals during the wet season), (iii) +Protein (the same minerals plus non-protein nitrogen and protein over the wet season), and (iv) Strategic (consecutive use of salt, mineral and non-protein nitrogen/protein supplements over the early wet, mid wet and late wet season periods respectively). Each treatment was replicated twice and all received a dry season supplement of non-protein nitrogen plus minerals while stocked at one breeder to 14 ha on native pasture. The pregnancy rate of lactating cows in the +Protein regime in 1982 was 77% compared with 60% for the other three regimes (P<0.05). The pregnancy rates in 1983 for both the +Protein (57%) and Strategic (54%) regimes were higher (P<0.05) than the Control (40%) and Mineral (31%) regimes. Mortality rates of breeders and heifers ranged from 2 to 5% in the Mineral, +Protein and Strategic regimes, compared with 8% (1982) and 12% (1983) (P<0.05) in the Control groups. Post pregnancy diagnosis losses were 8% in the +Protein regime compared with 16% in the other regimes (P<0.05). Breeders were 25 to 30 kg heavier in the +Protein than in Control regimes (P<0.05). Liveweight gain of steers in the +Protein regime was 11 to 31% higher than the other three regimes in two of the three steer drafts. Calf weight per breeder in the +Protein treatment was 55% higher in 1983 and 44% higher in 1984 than the other three regimes. It is concluded that wet season supplementation with non-protein nitrogen/protein and minerals has the potential to substantially increase herd productivity in the monsoonal tallgrass region. The response to the wet season +Protein regime, and the absence of a similar response to the Mineral regime, despite a phosphorus, sodium and sulphur deficiency in the pasture, was attributed to an overriding nitrogen requirement. Other factors affecting herd productivity were, paddock variability which was attributed to variation in the proportion of upland compared with floodplain/riparian land units in each paddock and seasonal differences related to the length of the preceding dry season.

scholarly journals Incidence, Etiology, and Risk Factors of Clinical Mastitis in Dairy Cows under Semi-Tropical Circumstances in Chattogram, Bangladesh

Animals ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 2255
Author(s):  
Shuvo Singha ◽  
Gerrit Koop ◽  
Ylva Persson ◽  
Delower Hossain ◽  
Lauren Scanlon ◽  
...  
Keyword(s):  
Risk Factors ◽  
Dairy Cows ◽  
Low Income ◽  
Antimicrobial Agents ◽  
Body Condition Score ◽  
Clinical Mastitis ◽  
Low Income Countries ◽  
Health Improvement ◽  
Lactating Cows ◽  
Condition Score

Clinical mastitis (CM) is an important production disease in dairy cows, but much of the knowledge required to effectively control CM is lacking, specifically in low-income countries where most farms are small and have specific dairy management, such as regular udder cleaning and practicing hand milking. Therefore, we conducted a 6-month-long cohort study to (a) estimate the incidence rate of clinical mastitis (IRCM) at the cow and quarter level, (b) identify risk factors for the occurrence of CM, (c) describe the etiology of CM, and (d) quantify antimicrobial susceptibility (AMS) against commonly used antimicrobial agents in S. aureus and non-aureus Staphylococcus spp. (NAS) in dairy farms in the Chattogram region of Bangladesh. On 24 farms, all cows were monitored for CM during a 6-month period. Cases of CM were identified by trained farmers and milk samples were collected aseptically before administering any antimicrobial therapy. In total, 1383 lactating cows were enrolled, which totaled 446 cow-years at risk. During the study period, 196 new cases of CM occurred, resulting in an estimated crude IRCM of 43.9 cases per 100 cow-years, though this varied substantially between farms. Among the tested CM quarter samples, Streptococci (22.9%) followed by non-aureus staphylococci (20.3%) were the most frequently isolated pathogens and resistance of S. aureus and NAS against penicillin (2 out of 3 and 27 out of 39 isolates, respectively) and oxacillin (2 out of 3 and 38 out of 39 isolates, respectively) was common. The IRCM was associated with a high milk yield, 28 to 90 days in milk, and a higher body condition score. Our results show that there is substantial room for udder health improvement on most farms.

scholarly journals PREVALENCE OF SUB-CLINICAL MASTITIS AT BANARIPARA UPAZILLA, BARISAL

2017 ◽  
Vol 15 (1) ◽  
pp. 21-26 ◽  
Author(s):  
D. Biswas ◽  
T. Sarker
Keyword(s):  
Risk Factors ◽  
Clinical Mastitis ◽  
Physiological Status ◽  
Educational Effort ◽  
Lactating Cows ◽  
California Mastitis Test ◽  
Farm Type ◽  
Substantial Problem ◽  
Test Kit ◽  
Baseline Information

A study was aimed to determine the prevalence of sub-clinical mastitis and also determine the other risk factors that intensify this condition. Prescribed questionnaire was used to take baseline information of the animals and farms and California mastitis test kit was used to determine the SCM in lactating cow at farm level. It appears from this study that an overall prevalence of SCM was 51.56% in milking cows at Banaripara Upazilla, Barisal. Crossbred cows were significantly affected with SCM than local breed lactating cows. The farm type affect significantly (p<0.05) on the occurrence of this diseases. The prevalence of sub-clinical mastitis in cow was significantly (p<0.05) higher in 3rd (80%) parity compared to 1st (38.09%) and 2rd (45.83%) parity as well as non pregnant cows (55.55%) are more prone to infection than pregnant cow (46.43%). The farm floor condition and aged cows don’t have any effect on SCM. Prevalence of sub-clinical mastitis was significantly (p<0.05) higher in high yielding (87.5%) cows than medium (70%) to low (33.33%) yielding cows. A well documented continued research and educational effort is required to increase producer awareness of cost due to mastitis to the dairy enterprise. From this study it was concluded that cow breed, farm type, parity of cows, physiological status of animal and milk yield per cow were found to be important risk factors associated with the occurrence of sub clinical mastitis in dairy cows. The occurrence of this disease remains a substantial problem for dairy producers.

scholarly journals Prevalence of sub-clinical mastitis in dairy farms

2014 ◽  
Vol 30 (2) ◽  
pp. 70-77
Author(s):  
MA AL Quaderi ◽  
M Husain ◽  
MGS Alam ◽  
M Khatun ◽  
MA Hossain
Keyword(s):  
Prevalence Rate ◽  
Dairy Farm ◽  
Dairy Farms ◽  
Subclinical Mastitis ◽  
Clinical Mastitis ◽  
Cattle Breeding ◽  
Lactating Cows ◽  
California Mastitis Test ◽  
Breeding Station ◽  
High Prevalence

A total of 560 lactating cows belonging to Bangladesh Agricultural University dairy farm (n = 59): Local Zebu (L), Local × Friesian (L × F), Local × Jersey (L × J), Local × Red Chittagong Cattle (L × RCC), Local × Sahiwal (L × SL), Red Chittagong Cattle (RCC); and Central Cattle Breeding Station and Dairy Farm (n = 501): Local Zebu, L × F, SL × F, Sahiwal and Australian Friesian Sahiwal (AFS) were selected to measure prevalence of subclinical mastitis (SM). The California Mastitis Test was done and the prevalence of SM was 68% on cow basis and 57% on quarter basis. The prevalence rate was significantly higher in L × F (87%, P < 0.05), SL × F (88%, P < 0.05), L × J (100%, P < 0.01), AFS (89%, P< 0.05) and SL (100%, P < 0.01). The local Zebu (31%) and RCC (28%) were least susceptible to SM. SM was significantly higher in multiparous (P < 0.05) and older cows (P < 0.05). The front quarters were more prone to SM than the rear. Factors such as breed, age, parity and management may have been responsible for high prevalence of SM in both farms. DOI: http://dx.doi.org/10.3329/bvet.v30i2.18257 Bangl. vet. 2013. Vol. 30, No. 2, 70-77

scholarly journals Diagnosis of clinical and subclinical mastitis in a rural property in Carambeí, State of Paraná

2021 ◽  
Vol 10 (3) ◽  
pp. e32310313411
Author(s):  
Djalma Cesar Clock ◽  
Gislaine Gabardo ◽  
Josiel Rodrigues da Luz ◽  
Giovani Mansani de Araujo Avila
Keyword(s):  
Escherichia Coli ◽  
Dairy Cows ◽  
Somatic Cell Count ◽  
Bovine Mastitis ◽  
Subclinical Mastitis ◽  
Clinical Mastitis ◽  
Laboratory Analysis ◽  
The Other ◽  
California Mastitis Test ◽  
Bacteria And Fungi

The aim of the present study was to diagnose clinical and subclinical bovine mastitis in a property in the municipality of Carambeí-PR. 86 dairy cows were diagnosed in two evaluations carried out on July 23 and November 4, 2020. The detection of clinical mastitis was performed by testing the black-bottomed mug, whereas the detection of animals with sub-clinical mastitis by the California Mastitis Test (CMT) and laboratory analysis of bacteria and fungi present. In the first evaluation, 9.4% of the animals had mastitis, while in the second 5.16% of the herd. The milk of the animals that tested positive were submitted to laboratory analysis. In the first evaluation, they were diagnosed with an incidence of 15% Escherichia coli, 15% Prothoteca / yeast, 23% Staphlococcus aureus, 46% Streptococcus agalactiae. In the second evaluation, there was an incidence of 25% Enterococcus sp. and 25% S. agalactiae, the other animals showed 50% Staphlococcus non aureus. There was a higher occurrence of subclinical mastitis in the property, in both evaluations. There was a reduction from the first to the second evaluation in the incidence of cases of subclinical mastitis and the cases of clinical mastitis were resolved. Contributing to the lower disposal of milk caused by the high somatic cell count.

scholarly journals On the epidemiology of helminth parasites in Hangul Deer Cervus hanglu hanglu (Mammalia: Artiodactyla: Cervidae) of Dachigam National Park, India

2021 ◽  
Vol 13 (1) ◽  
pp. 17517-17520
Author(s):  
Naziya Khurshid ◽  
Hidayatullah Tak ◽  
Ruqeya Nazir ◽  
Kulsum Ahmad Bhat ◽  
Muniza Manzoor
Keyword(s):  
Risk Factors ◽  
National Park ◽  
Helminth Infection ◽  
Dry Season ◽  
Helminth Parasites ◽  
Wet Season ◽  
Factors Associated ◽  
Dictyocaulus Viviparus ◽  
Dachigam National Park ◽  
One Year

A one-year study conducted to ascertain the prevalence and risk factors associated with helminth infection in Hangul Deer Cervus hanglu hanglu at Dachigam National Park revealed that 40.45% (89 of 220 samples) were infected with four helminth species including Heamonchus contortus, Trichuris ovis, Dictyocaulus viviparus, and Moneizia expansa.  The study signified that the infection was more prevalent during the dry season (summer and autumn) as compared to the wet season (winter and spring).  The overall prevalence of Heamonchus contortus was the highest (23.18%) followed by Trichuris ovis (8.18%), followed by Dictyocaulus viviparus (5.45%), and Moneizia expansa (3.63%).  The present study should be of importance in conserving the erstwhile state animal, listed as Critically Engendered in 2017 by IUCN.

scholarly journals PREVALENCE OF SUBCLINICAL MASTITIS IN DAIRY COWS IN SELECTED AREAS OF BANGLADESH

2012 ◽  
Vol 9 (1) ◽  
pp. 73-78 ◽  
Author(s):  
MA Islam ◽  
MZ Islam ◽  
MA Islam ◽  
MS Rahman ◽  
MT Islam
Keyword(s):  
Dairy Cows ◽  
Rural Areas ◽  
Dairy Farm ◽  
Local Area ◽  
Subclinical Mastitis ◽  
Local Breed ◽  
Lactating Cows ◽  
California Mastitis Test ◽  
Lactation Stage ◽  
Late Stages

This research was carried out to determine the prevalence of subclinical mastitis in lactating Dairy Cow of Bangladesh Agricultural University dairy farm (BAUDF) and rural areas of Tangail sadar upazila of Bangladesh during the period of July 2009 to April 2010. A total of 200 milk samples (40 from BAUDF and 160 from Tangail sadar upazila) were collected for this study which were subjected to physical examination and subsequently screened for subclinical mastitis using three indirect tests viz. White Side Test (WST), California Mastitis Test (CMT), and Surf Field Mastitis Test (SFMT). Overall prevalence of subclinical mastitis (SCM) in lactating dairy cows found in this study was 29%. Cows were infected with SCM 29.5%, 27.5% and 25.5% detection by CMT, WST and SFMT respectively. Higher prevalence of SCM was detected in milch crossbred cows (36.36%) in comparison to local bred cows (24.61%) maintained under extensive management system in Rural area of Tangail sadar upazila. The prevalence of SCM was recorded in 31.58%, 30.76% and 68.75% in cows of local area of Tangail sadar upazila, and 25.0%, 40.0% and 71.42% in cows of BAU,DF during the early, mid and late stages of lactation respectively. The highest prevalence of SCM was recorded during the early lactation stage in both the local breed cows (30.0%) and cows of BAUDF (45.83%) in comparison to their respective mid and late stages of lactation. The prevalence of SCM was highest in lactating cows having third lactation and high yielding (cows produced >10 liter milk per day) both in local breed and crossbred cows.DOI = http://dx.doi.org/10.3329/bjvm.v9i1.11216 Bangl. J. Vet. Med. (2011). 9(1): 73-78 

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