Feed for fish
A fish feed includes carvacrol and/or salvia extract (provided that where the fish feed comprises carvacrol and not salvia extract the lipid content of the fish feed is at least 15 wt %). The salvia extract may be selected from extract of Salvia officinalis and extract of Salvia lavandulifolia . The carvacrol may be synthetic or may be extracted from Origanum vulgare.
1. A fish feed comprising carvacrol, wherein a lipid content of the fish feed is at least 25 wt %, and wherein the fish feed is an extruded or pressed pellet.
2. The fish feed of claim 1 , comprising 25-35 wt % of lipids.
3. The fish feed of claim 1 , comprising 0.005-0.5 wt % of carvacrol.
4. The fish feed of claim 3 , comprising 0.01-0.25 wt % of carvacrol.
5. The fish feed of claim 4 , comprising 0.01-0.05 wt % of carvacrol.
6. The fish feed of claim 1 , wherein the carvacrol is synthetic or is extracted from Origanum vulgare.
7. The fish feed of claim 1 , further comprising 0.005-0.5 wt % of a Salvia essential oil.
8. The fish feed of claim 7 , wherein said Salvia essential oil is selected from a) Salvia officinalis L. essential oil comprising α-thujone, β-thujone, camphor, linalool, linalyl acetate, bornyl acetate and α-humulene or b) Salvia lavandulifolia essential oil comprising α-pinene, sabinene, limonene, 1,8-cineole, linalool, camphor, bomeol, terpine-4-ol, linalyl acetate, α-terpinyl acetate and sabinyl acetate.
9. The fish feed of claim 8 , wherein the Salvia essential oil is Salvia lavandulifolia extract CAS 8016-65-7.
10. The fish feed of claim 1 , further comprising
30-50 wt % of protein;
3-15 wt % of moisture, and
0.005-0.5 wt % of carvacrol.
11. The fish feed of claim 1 , further comprising 30-50 wt % of protein.
12. A fish feed comprising carvacrol, lipids, protein and moisture, wherein a lipid content of the fish feed is at least 25 wt %.
13. The fish feed of claim 12 , comprising 25-35 wt % of lipids.
14. The fish feed of claim 13 , comprising 30-50 wt % of protein.
15. The fish feed of claim 12 , comprising 0.01-0.25 wt % of carvacrol.
16. The fish feed of claim 15 , comprising 0.01-0.05 wt % of carvacrol.
17. The fish feed of claim 12 , comprising 0.005-0.5 wt % of carvacrol.
18. The fish feed of claim 12 , wherein the carvacrol is synthetic or is extracted from Origanum vulgare.
19. The fish feed of claim 12 , further comprising 0.005-0.5 wt % of a Salvia essential oil.
20. The fish feed of claim 19 , wherein said Salvia essential oil is selected from a) Salvia officinalis L. essential oil comprising α-thujone, β-thujone, camphor, linalool, linalyl acetate, bornyl acetate and α-humulene or b) Salvia lavandulifolia essential oil comprising α-pinene, sabinene, limonene, 1,8-cineole, linalool, camphor, bomeol, terpine-4-ol, linalyl acetate, α-terpinyl acetate and sabinyl acetate.
21. The fish feed of claim 20 , wherein the Salvia essential oil is Salvia lavandulifolia extract CAS 8016-65-7.
22. The fish feed of claim 12 , wherein the fish feed is an extruded or pressed pellet.
23. A method comprising feeding fish with a fish feed comprising carvacrol, wherein a lipid content of the fish feed is at least 25 wt %, and wherein the fish feed is an extruded or pressed pellet.
24. The method of claim 23 , wherein the fed fish are salmonids.