Articles | Volume 68, issue 1
https://doi.org/10.5194/aab-68-223-2025
https://doi.org/10.5194/aab-68-223-2025
Review
 | 
26 Mar 2025
Review |  | 26 Mar 2025

Microalgae supplementation improves goat milk composition and fatty acid profile: a meta-analysis and meta-regression

Soumaya Boukrouh, Ihssane Mnaouer, Poliana Mendes de Souza, Jean-Luc Hornick, Abdelaziz Nilahyane, Bouchra El Amiri, and Abdelaziz Hirich

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Cited articles

Adarme-Vega, T. C., Lim, D. K. Y., Timmins, M., Vernen, F., Li, Y., and Schenk, P. M.: Microalgal biofactories: a promising approach towards sustainable omega-3 fatty acid production, Microb. Cell Fact., 11, 96, https://doi.org/10.1186/1475-2859-11-96, 2012. 
Ait El Alia, O., Zine-Eddine, Y., Chaji, S., Boukrouh, S., Boutoial, K., and Faye, B.: Global Camel Milk Industry: A Comprehensive Overview of Production, Consumption Trends, Market Evolution, and Value Chain Efficiency, Small Ruminant Res., 107441, 2025. 
Al Rharad, A., El Aayadi, S., Avril, C., Souradjou, A., Sow, F., Camara, Y., Hornick, J.-L., and Boukrouh, S.: Meta-Analysis of Dietary Tannins in Small Ruminant Diets: Effects on Growth Performance, Serum Metabolites, Antioxidant Status, Ruminal Fermentation, Meat Quality, and Fatty Acid Profile, Animals, 15, 596, https://doi.org/10.3390/ani15040596, 2025. 
Altomonte, I., Salari, F., Licitra, R., and Martini, M.: Use of microalgae in ruminant nutrition and implications on milk quality–A review, Livest. Sci., 214, 25–35, https://doi.org/10.1016/j.livsci.2018.05.006, 2018. 
Baumgard, L. H., Sangster, J. K., and Bauman, D. E.: Milk Fat Synthesis in Dairy Cows Is Progressively Reduced by Increasing Supplemental Amounts of trans-10, cis-12 Conjugated Linoleic Acid (CLA), J. Nutr., 131, 1764–1769, https://doi.org/10.1093/jn/131.6.1764, 2001. 
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This study explored the benefits of adding microalgae to goat diets. Our analysis, based on data from multiple studies, demonstrated that microalgae enrich goat milk by increasing its protein, fat, and beneficial fatty acid contents. Besides offering healthier dairy products for consumers, our meta-analysis confirms that microalgae can be a sustainable and eco-friendly supplement to traditional feeds.
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