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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.

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