Estimation of Non-genetic Parameters Affecting Total Milk Yield and Occurrence of Mastitis in Holstein Friesian Dairy Cows

Abo-Gamil, Zienab; El-Qaliouby, Hadeel S.; Manaa, Eman; Ramadan, Sherif

doi:10.21608/bvmj.2021.67602.1368

Cited by 3 publications

(2 citation statements)

References 22 publications

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“…However, the rainy season emerged as a critical period with the highest incidence, consistent with findings by Sinha et al (2021), which attributed this increase to environmental factors like droplet infection and damp conditions. In contrast with the present study, some research reports show varied relationships between mastitis incidence and calving season (Abo‐Gamil et al, 2021; Ettema & Santos, 2004).…”

Section: Discussioncontrasting

confidence: 99%

Impact of temporal variations and risk factors associated with udder inflammation in Hardhenu cattle (Bos taurus × Bos indicus)

Pushpa,

Magotra,

Kamaldeep

et al. 2023

Reprod Domestic Animals

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This study aimed to explore the occurrence and risk factors associated with clinical mastitis within the Hardhenu cattle herd over a span of 14 years (2008–2021). A comprehensive analysis of 1515 lactation records was conducted to ascertain the incidence of clinical mastitis. The investigation determined an overall incidence rate of 26.80% in the studied population. A significant relationship between the year and clinical mastitis incidence was established through Chi‐square analysis (p < .05). Temporal variations in clinical mastitis odds were apparent, with the highest odds (ranging from 0.91 to 1.00) observed during the initial years of 2008–2009 and 2009–2010. Logistic regression revealed that odds values for clinical mastitis incidence were highest in 2008–2009 (1.00), succeeded by 2009–2010 (0.91), 2012–2013 (0.88), 2018–2019 (0.67) and reaching the lowest in 2021–2022 (0.35). Subsequent rankings included 2010–2011 (0.39), 2014–2015 (0.43) and 2019–2020 (0.45). Parity was found to be significantly associated with clinical mastitis occurrence. When compared to Parity 3, both Parity 1 (odds ratio: 1.516, 95% confidence interval: 0.881–2.612) and Parity 2 (odds ratio: 2.626, 95% confidence interval: 1.568–4.398) exhibited higher odds values for clinical mastitis incidence. While the period of calving did not exert a significant influence on clinical mastitis incidence, a heightened occurrence was observed during the rainy season within the targeted population. These findings offer valuable insights into the patterns of incidence, temporal fluctuations, and non‐genetic determinants impacting clinical mastitis within the Hardhenu cattle. The implications of this study can facilitate the development of targeted strategies and management protocols aimed at enhancing udder health and overall productivity in dairy cattle.

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Section: Discussioncontrasting

confidence: 99%

Impact of temporal variations and risk factors associated with udder inflammation in Hardhenu cattle (Bos taurus × Bos indicus)

Pushpa,

Magotra,

Kamaldeep

et al. 2023

Reprod Domestic Animals

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“…This finding is supported by previous reports in Bangladesh (Singha et al, 2021). The high-yielding dairy cows are generally more susceptible to mastitis for several reasons (Abo-Gamil et al, 2021;Sinha et al, 2021). The teat canal of high-yielding dairy cows is larger in diameter (Rathore and Sheldrake, 1977) and remain open for a longer duration after milking in comparison with low-yielding cows (Klaas et al, 2005).…”

Section: Discussionmentioning

confidence: 99%

Prevalence and associated risk factors of bovine mastitis in Ashulia, Dhaka, Bangladesh

2022

Veterinaria

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Mastitis is a critical infectious disease of dairy cow throughout the world. Antibiotic treatment can cure the disease, but the cows will be unable to reverse their previous productive condition. Therefore, the identification of the possible risk factors and management of those factors is the only way to minimize the losses in the dairy sector. The present study was conducted to clarify the existing status of the disease and to find out the possible risk factors of the disease to adjust successful control measures. The result exhibited that 57% of cows in the study area were infected by mastitis. Of these, subclinical mastitis was predominant (85%) followed by clinical mastitis (15%). Most of the cows got an infection at 3.5 to 5 years of age, typically in the 1st lactation and during the early lactational stage (≤3 months). Principal component analysis and Pearson correlation matrix analysis revealed that extensive milk producers, intensive rearing system, improper hygiene during milking, new farms of unskilled farmers and poor physical condition of the cows showed positive association to mastitis. However, adaptation of the extensive or semi-intensive rearing system as well as washing hands and udders before and after milking using an antiseptic, together with proper training of the farmers on scientific dairy farming can reduce the prevalence of mastitis in the study area. This will be advantageous in decreasing antibiotic usage and lessening new antibiotic-resistant bacterial strains.

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Impact of non-genetic factors on clinical mastitis incidence in Murrah buffaloes

Jaglan

Sukhija

George

et al. 2022

Preprint

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Mastitis brings on economic losses, declined milk production, uplifted treatment costs and accelerated culling in buffaloes. Also, being multi-etiological in nature, control of mastitis is challenging in dairy animals. Hence, knowing the risk factors governing clinical mastitis incidence in buffalo might help in minimizing its occurrence. So, the present study was undertaken in 96 adult Murrah buffaloes to investigate the effect of parity, period of calving, season of calving and level of milk production on incidence of clinical mastitis using logistic regression in SAS v 9.3. The data of mastitis incidence was collected over a period of eighteen years (1997–2014) from Health record register of Livestock Research Centre of the institute. The incidence of mastitis was maximum in second parity (7.65%) followed by parity five and above (7.41%). Parity and period of calving had significant effects (p < 0.05) on mastitis incidence. The odds ratio for incidence of mastitis of animals in parity (5 and above) was highest (3.832), in comparison to first lactation. The animals calving during the period (2004–2007), exhibited maximum incidence of clinical mastitis (14.75%). Higher mastitis incidence in higher parity animals may be due to the compromised immune system and widened teat canal. Therefore, proper management of animals especially for advanced pregnant animals is recommended for reducing incidence of mastitis.

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Estimation of Non-genetic Parameters Affecting Total Milk Yield and Occurrence of Mastitis in Holstein Friesian Dairy Cows

Cited by 3 publications

References 22 publications

Impact of temporal variations and risk factors associated with udder inflammation in Hardhenu cattle (Bos taurus × Bos indicus)

Impact of temporal variations and risk factors associated with udder inflammation in Hardhenu cattle (Bos taurus × Bos indicus)

Prevalence and associated risk factors of bovine mastitis in Ashulia, Dhaka, Bangladesh

Impact of non-genetic factors on clinical mastitis incidence in Murrah buffaloes

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