@article{71dd754dec024cddb73c64d0daba45ee,
title = "Replacing fishmeal with a single cell protein feedstuff in Nile tilapia Oreochromis niloticus diets",
abstract = "There is a growing concern about the use of fisheries-derived proteins in aquaculture. This study was conducted to investigate the effect of either partially or totally replacing fishmeal (up to 15% of the diet) by the inactivated dry yeast product DY-Pro in Nile tilapia Oreochromis niloticus diets. The DY-Pro replaced 0% (DY-PRO0), 2% (DY-PRO2), 5% (DY-PRO5), 25% (DY-PRO25), 50% (DY-PRO50), 75% (DY-PRO75) or 100% (DY-PRO100) of the protein provided by fishmeal in seven isonitrogenous and isocaloric experimental diets, which were fed to the experimental fish (initial average body weight 11.33 ± 1.65 g) for 12 weeks. At the end of the experiment, the graded replacement of 2–100% of fishmeal protein by the DY-Pro did not significantly (P < 0.05) affect fish weight gain or gut length and weight, but linearly (P < 0.05) improved feed and nutrient utilization. Moreover, the DY-Pro did not have any negative impacts on the gastrointestinal tract as shown by histopathology. There were no pathogens or signs of significant metabolic or toxicant-related disease in the epithelium. Results showed that tilapia given diets containing DY-Pro consumed less feed to achieve the same weight gain as tilapia given fishmeal-based diets. Overall, the DY-Pro is a good feed ingredient, which could totally replace fishmeal in Nile tilapia diets and possibly lead to reduced feed costs.",
keywords = "Alternative protein, Aquaculture, Fish nutrition, Novel ingredients, Single cell protein",
author = "Rodrigue Yossa and Greiling, {Alexander M.} and Basiita, {Rose Komugisha} and Sakala, {Masautso E.} and Baumgartner, {Wes A.} and Adam Taylor and Gatlin, {Delbert M.}",
note = "This study was funded by the USAID-funded Feed the Future Innovation Lab for Fish (Fish Innovation Lab) managed by Mississippi State University . This work was also undertaken as part of the CGIAR Research Program on Fish Agri-Food Systems (FISH) led by WorldFish. The authors would like to thank the interns, Miss. Chewe Mukuka and Mr. Yobe Mtonga, as well as the Research Assistant, Mr. Tom Malambo, for their technical assistance during the planning and execution of the experiment, Yalelo Zambia for providing the experimental fish, Meridian Biotech LLC. for providing the dry yeast used in the experiment, the staff of Texas A&M University for preparing the experimental feeds, and the staff WorldFish Zambia for helping with the logistics throughout the study. This study was funded by the USAID-funded Feed the Future Innovation Lab for Fish (Fish Innovation Lab) managed by Mississippi State University. This work was also undertaken as part of the CGIAR Research Program on Fish Agri-Food Systems (FISH) led by WorldFish. The authors would like to thank the interns, Miss. Chewe Mukuka and Mr. Yobe Mtonga, as well as the Research Assistant, Mr. Tom Malambo, for their technical assistance during the planning and execution of the experiment, Yalelo Zambia for providing the experimental fish, Meridian Biotech LLC. for providing the dry yeast used in the experiment, the staff of Texas A&M University for preparing the experimental feeds, and the staff WorldFish Zambia for helping with the logistics throughout the study.",
year = "2021",
month = nov,
doi = "10.1016/j.anifeedsci.2021.115089",
language = "English (US)",
volume = "281",
journal = "Animal Feed Science and Technology",
issn = "0377-8401",
publisher = "Elsevier B.V.",
}