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The effect of including argane by-products (meal and pulp) in dairy ewe diet on milk quality and production, and lamb growth performance

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Abstract

The objective of this work was to study the effect of the incorporation of argane by-products (meal and pulp) in ewe’s diet on the production and quality of milk and the performance of lambs in the lactation phase. Twenty ewes were divided into two equal groups. The first one has been fed with argane by-product diet (AD), and the second with a control diet (CD). The results showed an improvement in milk production with an average of 26.3% for AD compared with the CD group. AD group lambs showed a significant difference (p < 0.05) compared with the CD group during lactation phase. The ash and protein levels were not affected by treatments; however, fat, lactose, density, and fusion point content show more fluctuations for both treatments (p < 0.05). The physicochemical parameters of sheep milk showed high (p < 0.01) to very high (p < 0.001) significant change, along the lactation weeks. Except the Zn which showed no significant difference (p > 0.05), the mineral composition of both milks (Na, K, Ca, Mg, P, and Fe) was significant (p < 0.05). It is concluded that, in terms of performances, argane by-products could replace the conventional diet for ewes without substantial detrimental effects. Therefore, argane by-product could be used as a cost-effective feed for sheep in dry areas.

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Acknowledgments

Appreciation is expressed to farmer Omar Dahman for the facilities provided for the experiment. Acknowledgement is also uttered to Abdenbi Saidi for assistance in conducting this study and laboratory analysis.

Funding

This study was financially supported by the National Institute of Agronomic Research.

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Authors and Affiliations

  1. Mohammed V University in Rabat, LPCMIO, Materials Science Center (MSC), Ecole Normale Supérieure, Rabat, Morocco

    Sana Moutik & Nour Eddine Es-Safi

  2. Rabat Institutes, INRA, CRRA-Rabat, P.O. Box 6570, 10101, Rabat, Morocco

    Sana Moutik, Mohammed Bendaou, El Haj Maadoudi, Mohammed Rachid Kabbour, Ahmed Douaik, Abdelmajid Zouahri & Abdellah El Housni

  3. Laboratory of Zoology and General Biology, Faculty of Sciences, Mohammed V University in Rabat, Ibn Battuta 4 Avenue, P.O. Box 1014, Rabat, Morocco

    Nazha Lakram

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  1. Sana Moutik
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  2. Nazha Lakram
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  3. Mohammed Bendaou
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  4. El Haj Maadoudi
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  8. Abdellah El Housni
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  9. Nour Eddine Es-Safi
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Correspondence to Sana Moutik or Nour Eddine Es-Safi.

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Moutik, S., Lakram, N., Bendaou, M. et al. The effect of including argane by-products (meal and pulp) in dairy ewe diet on milk quality and production, and lamb growth performance. Trop Anim Health Prod 51, 2437–2445 (2019). https://doi.org/10.1007/s11250-019-01943-w

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  • DOI: https://doi.org/10.1007/s11250-019-01943-w

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