Abstract
The current and expected growth of the world’s population warrants an increased production of high-quality animal protein. Dairy farming is regarded as one of the important ways of satisfying this need to meet the growing demand for milk, especially in developing countries. The focus on crossbreeding and increasing the productivity of dairy cattle has, besides enhanced milk production, also resulted in an increased use of agro-chemicals, mainly antibiotics and anti-parasite drugs. The residues of these agro-chemicals, if not managed properly, could leak into the environment, affecting natural processes, biodiversity, and soil life. Public health can also be affected due to residues in milk and meat, especially in countries with insufficient food quality controls. These processes contribute to the growing global threat to human and animal health posed by multi-resistant microbes.
Generated Summary
This perspective article examines the multifaceted effects of dairy farming on public and environmental health, focusing on the Netherlands, India, Ethiopia, and Uganda. The study employs a comparative approach, highlighting the similarities and differences in dairy farming practices across these regions, particularly concerning the use of antibiotics and other agro-chemicals. The research is framed within the context of the E-Motive exchange project, an initiative designed to reduce the reliance on antibiotics and other chemicals in dairy farming. The methodology involves a review of relevant literature, data from the E-Motive project, and analysis of dairy farming practices in the four countries. The scope encompasses the environmental impacts of dairy farming, including pollution and biodiversity loss, alongside the public health implications such as antibiotic resistance and food safety concerns. The article also explores the role of crossbreeding, the loss of local cattle breeds, and genetic diversity in relation to these issues. Furthermore, the study proposes a five-layered strategy, based on the E-Motive project’s experiences, to foster more sustainable dairy farming practices and improve milk quality.
Key Findings & Statistics
- The current and expected growth of the world’s population warrants increased production of high-quality animal protein, with dairy farming being one of the important ways to satisfy this need, especially in developing countries (1).
- The focus on crossbreeding and increasing the productivity of dairy cattle has resulted in an increased use of agro-chemicals, mainly antibiotics and anti-parasite drugs.
- A recent study indicated that, between 2010 and 2030, the estimated global consumption of antimicrobials in livestock will increase by 67% (19).
- In India, the use of Ayurvedic remedies to treat animal diseases reduced the number of antibiotic-positive milk samples by between 18 and 49% in the three states (44).
- The intensification of animal production has also had a considerable impact on the environment (12).
- The current loss of biodiversity is devastating (12).
- In India, the National Dairy Development Program based on continued crossbreeding local breeds with HF semen has been taking place since the 1980s.
- India is now the worlds’ largest milk producer with the milk coming primarily from smallholder mixed farms with one to three cows.
- The recent scientific review in the UK indicates that, if no solutions are found, multi-resistant microbes will result in a global crisis with more human deaths in 2050 than cancer today – the majority in the poorer regions of Africa and Asia (11).
- The study showed that the use of Ayurvedic remedies to treat animal diseases reduced the number of antibiotic-positive milk samples by between 18 and 49% in the three states (44).
- The dairy improvement program in Ethiopia was initiated in 2000 to deal with the increased need for animal protein of the explosively growing population.
- In Uganda, the local Ankole cow has been increasingly crossbred with HFs to boost milk production.
Other Important Findings
- The use of antibiotics in animal production is a global issue, not confined to developing countries.
- Antibiotic resistance is a direct result of antibiotic use; the greater the volume of antibiotics used, the greater the risk of antibiotic-resistant populations emerging.
- According to the Dutch guidelines for veterinarians, the use of last resort antibiotics (carbapenems, glycopeptides, oxazolidones, daptomycine, mupirocine, and tigecycline) for animals is forbidden (9).
- The growing challenge of antimicrobial resistance is mainly due to the high use of antibiotics in human health care and their availability, also in developed countries (5-8).
- Since their introduction in the 1940s, antibiotics have been very important in modern healthcare. Now, however, once-treatable infections are becoming difficult to cure, which increases costs, morbidity, and mortality in both humans and animals.
- The exchange project has inspired the participating veterinarians, animal scientists, farmers, and researchers to the extent that various initiatives to reduce the use of antibiotics in dairy have been taken in all the countries.
- An important outcome in India is the initiative of two major dairy companies (Karnataka Milk Federation and MILMA) to improve milk quality by starting pilot “organic” milk production projects based on a five-leveled approach.
- The primary aim of the exchange project between India and the Netherlands was to reduce the use of antibiotics to improve animal management and to revive the use of ethno veterinary medicine as a means of reducing the need for antibiotics.
- The negative effect of dairy development programs on biodiversity became clear in the so-called “cattle belt” of Uganda.
- The pastures contain mostly highly productive grasses, such as English Ray grass, and a growing number of cows are kept indoors all the year round.
- The state programs of India, Uganda, and Ethiopia (23, 26, 28) for boosting dairy production through crossbreeding with HFs contributes directly and indirectly to the increased use of antibiotics.
Limitations Noted in the Document
- The study acknowledges the limitations in the control of antibiotic use and the challenges in implementing changes in dairy farming practices across diverse regions.
- The success of the proposed five-layered strategy depends on local conditions, including economic, social, and cultural factors.
- The study primarily focuses on the experiences of the E-Motive project, which may not fully represent the broader global context of dairy farming.
- The effectiveness of herbal remedies, a key component of the proposed solution, requires further scientific validation and may not be universally applicable.
- The reliance on existing data and literature could be subject to biases or limitations inherent in the original studies.
Conclusion
The article emphasizes the hidden effects of dairy farming on public and environmental health, primarily focusing on the challenges and opportunities within the Netherlands, India, Ethiopia, and Uganda. The core argument is that the current trends in dairy farming, particularly the use of antibiotics and the promotion of crossbreeding with high-yielding breeds, pose significant risks to both human and environmental well-being. The study stresses the importance of tackling the rising threat of multi-resistant microbes and the environmental degradation caused by intensive farming practices. The research highlights the need for a more sustainable and health-conscious approach to dairy production. The proposed five-layered strategy—incorporating improved animal management, ethno veterinary medicine, strategic use of local breeds, milk quality control, and extra payment for residue-free milk—offers a practical roadmap for reducing antibiotic use and enhancing milk quality. The article suggests that a shift in dairy farming practices is essential to mitigate the negative impacts on public health and the environment. It stresses the need for awareness among researchers, policymakers, and NGOs about the link between dairy production methods and milk quality. The main conclusion is that a holistic approach, integrating traditional knowledge with modern scientific practices, is crucial for ensuring the long-term sustainability of dairy farming.