Page 58 - sjsi
P. 58
Research Article: Mahjoub et al 58
compared to brand (C15; 0.86 vs. 0.40 g/100g References
fat) and (C17; 0.87 vs. 0.42 g/100g fat), 1. Gomiero T. Organic agriculture: impact on the
respectively. C15 odd saturated fatty acids are environment and food quality. IN Environmental
linked to supporting metabolic and heart Impact of Agro-Food Industry and Food
health, while both C15 and C17 fatty acids are Consumption, Elsevier (2021), pp. 31–58. doi:
10.1016/B978-0-12-821363-6.00002-3.
associated with lower risks for cardiovascular
diseases and mortality (31,32) . Taken together, 2. “Responsible and Sustainable Food Production,”
Global Dairy Platform. [Online]. Available:
the MFD-milk fat profile suggest an enhanced https://www.globaldairyplatform.com/sustainabili
human wellbeing . ty. Accessed on Jan 2023.
3. “Food security and nutrition: Challenges for
Conclusion agriculture and the hidden potential of soil: A
This study was the first to evaluate whether Report to the G20 Agriculture Deputies.” Food and
Agriculture Organization of the United Nations
manure nutrients, NH3 emissions and milk
(FAO), 2018.
quality were affected by feeding cows with
4. Haque MH, Sarker S, et al. Sustainable Antibiotic-
Mahjoub's feedstock diet. Our results show a Free Broiler Meat Production: Current Trends,
major increase in several amino acids in the milk Challenges, and Possibilities in a Developing
of cows fed with MFD, which we propose to play Country Perspective. Biology (2020), vol. 9, no. 11,
a main role in regulating and enhancing the p. 411. doi: 10.3390/biology9110411.
immune response in cows. Indeed, this could be 5. Crowley TJ. Causes of Climate Change over the Past
1000 Years. Science (2000), vol. 289, no. 5477, pp.
supported by the fact that cows fed on MFD 270–277. doi: 10.1126/science.289.5477.270.
were antibiotic-free well-being for many years . 6. Stocker TF et al. IPCC, 2013: Climate Change 2013:
On another hand, our results indicate that the The Physical Science Basis. Contribution of Working
NH3-emitting potential of cow manure were Group I to the Fifth Assessment Report of the
Intergovernmental Panel on Climate Change.
reduced by MFD without decreasing dietary
Cambridge University Press, Cambridge, United
protein content. Hence, a beneficial goal was
Kingdom and New York, NY, USA.
achieved without jeopardizing the cow immune 7. Wattiaux MA, Uddin ME, et al. Invited Review:
response relying on adequate protein Emission and mitigation of greenhouse gases from
concentration in the diet . Finally, the low dairy farms: The cow, the manure, and the field.
ammonia values in MFD-fed cow manure, low Appl. Anim. Sci. (2019), vol. 35, no. 2, pp. 238–254.
doi: 10.15232/aas.2018-01803.
total nitrogen, high fiber compared to local 8. Yan T et al. Mitigation of enteric methane emissions
common-fed cow manure, low electrical through improving efficiency of energy utilization
conductivity and alkaline pH, will enhance the and productivity in lactating dairy cows. J. Dairy Sci.
applicability of the fresh manure from MFD-fed (2010), vol. 93, no. 6, pp. 2630–2638. doi:
cows as a proposed soil substrate replacement 10.3168/jds.2009-2929.
9. Nkrumah JD et al. Relationships of feedlot feed
and may have resulted in a near-no odour of
manur . More studies on the long-term efficiency, performance, and feeding behavior with
metabolic rate, methane production, and energy
incubation of manure will be necessary to partitioning in beef cattle1. J. Anim. Sci. (2006), vol.
understand H2S emissions during manure 84, no. 1, pp. 145–153. doi: 10.2527/2006.841145x.
storage. In this context, further research is 10. De Haas Y et al. Genetic parameters for predicted
planned and ongoing; our preliminary results methane production and potential for reducing
enteric emissions through genomic selection. J.
show predictable privileged characteristics of
Dairy Sci. (2011), vol. 94, no. 12, pp. 6122–6134. doi:
MFD on both environment and cow/human 10.3168/jds.2011-4439.
wellbeing . 11. Waghorn GC and Hegarty RS. Lowering ruminant
methane emissions through improved feed
conversion efficiency. Anim. Feed Sci. Technol.
(2011), vol. 166–167, pp. 291–301. doi:
10.1016/j.anifeedsci.2011.04.019.
SJSI – 2023: VOLUME 1-1