- Title
- Knowledge and attitude towards mastitis, culling and mortality among dairy farmworkers, and factors associated with culling and mortality among dairy cattle in the Eastern Cape Province, South Africa
- Creator
- Diniso, Yanga Simamkele
- Subject
- Food security
- Subject
- Dairying--Economic aspects
- Subject
- Milking
- Date
- 2021-09
- Type
- Master's theses
- Type
- text
- Identifier
- http://hdl.handle.net/10353/20686
- Identifier
- vital:46425
- Description
- Globally, food security is under threat from escalating population growth, new variants of diseases, climate change and livestock loss. Africa is vulnerable to food insecurity, with majority of the estimated 800 million suffering from hunger based in Africa. Intensification of production is a common strategy to counter the increasing demand for nutritional food to maintain and improve food security. The dairy industry is one of the leading agriculture sectors that has adopted intensification of production. The current study had two specific objectives; the first objective was to evaluate the dairy farmworkers’ knowledge and attitude towards mastitis, culling, and mortality in the southern part of the Eastern Cape Province. The data was collected from 106 dairy farm workers of different farm hierarchy in 5 out of 6 districts using questionnaire. In cases whereby a majority correctly answered a question, a point was awarded and a zero for incorrectly answered questions by the majority. A less than 50 percent pass rate was considered a poor level of knowledge, 51-69 percent pass rate was considered an average level of knowledge, and anything higher than that considered a good level of knowledge. The majority of the participants (64.2 percent) indicated that they consume unpasteurised milk even though they know its risks. There was no association (P>0.05) between workplace position, educational level, work experience, and consumption of unpasteurised milk. This study found that participants had a deficient level of knowledge of mastitis causing pathogens by attaining a pass mark of 1.60 out of a possible 10 (16 percent), and educational level was significantly associated with knowledge of Escherichia coli, Staphylococcus aureus, and Streptococcus spp. However, the participants (64.9 percent) showed good knowledge of clinical signs of mastitis, and this was attributed to the regular mastitis detection with California Mastitis Test (CMT, 60.4 percent) and a strip cup (83.0 percent). The participants had varying perceptions and limited knowledge (28.3 percent pass rate) about the major contributing factors of culling and mortality. The lack of dairy training courses and minimal use of other sources of information such as the internet might contribute to this poor knowledge and perceptions. The second objective involved identifying and describing the factors responsible for culling and mortality in dairy farms in the Eastern Cape province, South Africa. The factors were grouped into seven (7) major factors namely lameness and poor growth (2.33 percent), reproduction problems (35.86 percent), health factors (6.72 percent), production factors (7.11 percent), udder-related factors (3.42 percent), voluntary culls (4.86 percent) and miscellaneous factors (26.03 percent). The most frequent reason for culling dairy cows was reproduction problems which was mainly made up of infertility (7.9 percent), reproductive failure (89.9 percent), and dystocia (1 percent). Miscellaneous factors which mainly consisted of indigenous breeds (8.2 percent), and age (2.7 percent) accounted for the second most prevalent factors for the culling of dairy cows. All the farms recorded stock-theft as part of involuntary culling and accounted for 3.6 percent dairy cows that were culled. Poor milk yield and health-related factors such as red-water (33.8 percent), milk-fever (23.3 percent), and heart-water (6.8 percent) were amongst the major factors responsible for the culling of dairy cows. There were 1774 (13.67 percent) dairy cows that died in the study farms from 2015 to 2019 and causes of death were not specified except for drowning (0.01 percent) and snake bite (1 percent). This study exposed a gap in knowledge about the causes of mastitis, culling and mortality among dairy farmworkers in the southern part of the Eastern Cape Province. Furthermore, this study provided with a baseline information on the leading causes of culling and mortality. There is a need for further research on strategies of enhancing the knowledge of dairy farmworkers about pathogens of mastitis and specific causes of culling and mortality to mitigate the challenge they pose to food security.
- Description
- Thesis (MSc) (Animal Science) -- University of Fort Hare, 2021
- Format
- computer
- Format
- online resource
- Format
- application/pdf
- Format
- 1 online resource (128 pages)
- Format
- Publisher
- University
- Publisher
- Faculty of Science and Agriculture
- Language
- English
- Rights
- University of Fort Hare
- Rights
- All Rights Reserved
- Rights
- Open Access
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Collections
UFH Department of Livestock & Pasture Science
| Thumbnail | File | Description | Size | Format | |||
|---|---|---|---|---|---|---|---|
| View Details | SOURCE1 | Final Thesis version - DINISO YS.pdf | 1 MB | Adobe Acrobat PDF | View Details |