## 3 Results and Discussion  
### Effect of Breed and Finishing Diet on Fatty Acids Profile  
The fatty acids contents (g/100 g of fat) and health indices of foal meat are shown in Table 2 (only those represented > 0.05%). In this study, the foal meat fatty acids are predominated by MUFA, followed by SFA and finally PUFA for all groups concerned (MUFA < SFA < PUFA). This trend is consistent with data previously reported by other authors [7; 33; 34; 43; 44], studying the lipid profile of meat from foals of different breeds and reared under a semi-extensive system. However, other studies showed SFAs as predominant in horse meat finished with concentrate [7; 9; 13; 18; 20; 30; 31; 45], or PUFA in animals managed under extensive livestock systems [9; 14; 34]. \begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline  & \multicolumn{2}{c}{**JN**} & \multicolumn{2}{c}{**BU**} & \multicolumn{2}{c}{**Sig.**} \\ \cline{2-9}
**Fatity Acids** & **D1** & **D2** & **D1** & **D2** & **SEM** & **B** & **D** & **B \(\times\) D** \\ \hline C10:0 & 0.08 b & 0.05 a & 0.08 b & 0.05 a & 0.002 & ns & *** & ns \\ C12:0 & 0.18 c & 0.12 a & 0.20 c & 0.14 b & 0.006 & ** & *** & ns \\ C14:0 & 3.29 b & 2.49 a & 3.50 b & 2.64 a & 0.078 & ns & *** & ns \\ C14:1m-5 & 0.38 b & 0.22 a & 0.50 c & 0.27 a & 0.018 & *** & ns \\ C15:0 & 0.23 b & 0.15 a & 0.24 b & 0.14 a & 0.007 & ns & *** & ns \\ C16:0 & 26.48 b & 25.32 b & 25.63 a & 24.73 a & 0.245 & ns & * & ns \\ C16:1m-7 & 6.84 b & 5.32 a & 8.21 c & 5.58 a & 0.218 & * & *** & ns \\ C17:0 & 0.26 c & 0.22 b & 0.25 c & 0.20 a & 0.005 & * & *** & ns \\ C18:0 & 3.84 c & 4.01 c & 3.10 a & 3.49 b & 0.069 & *** & ** & ns \\ C9:+18:1 & 0.13 c & 0.12 b & 0.11 b & 0.10 a & 0.002 & *** & ** & ns \\ C18:1m-9 & 28.73 b & 26.00 a & 29.56 c & 29.63 b & 0.391 & ns & *** & ns \\ C18:1m-7 & 1.63 b & 1.35 a & 1.84 c & 1.33 a & 0.038 & * & *** & * \\ C18:2n-6 & 10.24 b & 9.84 b & 7.42 a & 8.28 a & 0.256 & *** & ns & ns \\ C18:3n-3 & 3.16 a & 4.41 b & 2.64 a & 4.51 b & 0.174 & ns & *** & ns \\ C20:1n-9 & 0.31 b & 0.28 b & 0.30 b & 0.25 a & 0.007 & ns & ** & ns \\ C20:2n-6 & 0.19 b & 0.19 b & 0.13 a & 0.15 a & 0.006 & ** & ns & ns \\ C20:3n-6 & 0.16 b & 0.20 c & 0.11 a & 0.15 b & 0.006 & *** & ** & ns \\ C20:4n-6 & 0.68 b & 0.80 c & 0.40 a & 0.56 b & 0.030 & *** & ** & ns \\ C20:3n-3 & 0.13 b & 0.19 d & 0.10 a & 0.16 c & 0.006 & *** & *** & ns \\ C20:5n-3 (EPA) & 0.05 a & 0.09 b & 0.05 a & 0.08 b & 0.004 & ns & *** & ns \\ C22:5n-3 (DPA) & 0.29 b & 0.48 d & 0.21 a & 0.39 c & 0.020 & ** & *** & ns \\ C22:6n-3 (DHA) & 0.06 ab & 0.10 c & 0.06 a & 0.09 b & 0.006 & ns & ** & ns \\ SFA & 34.5b & 32.45 a & 33.08 b & 31.46 a & 0.311 & * & ** & ns \\ MUFA & 38.04 b & 33.30 a & 40.53 b & 34.49 b & 0.613 & ns & *** & ns \\ PUFA & 14.99 b & 16.32 b & 11.14 a & 14.38 b & 0.419 & *** & ns & ns \\ _n-3_ & 3.69 a & 5.27 b & 3.05 a & 5.23 b & 0.197 & ns & *** & ns \\ _n-6_ & 11.29 b & 11.05 b & 8.08 a & 9.15 a & 0.289 & *** & ns & ns \\ LC _n-3_ & 0.40 a & 6.67 c & 0.31 a & 5.6 b & 0.028 & * & *** & ns \\ _n-6_/_n-3_ & 3.12 c & 2.17 b & 2.77 c & 1.77 a & 0.102 & ** & *** & ns \\ PUFA/SFA & 0.44 b & 0.51 b & 0.34 a & 0.46 b & 0.015 & ns & *** & ns \\ TI & 0.94 b & 0.84 a & 0.95 b & 0.81 a & 0.015 & ns & *** & ns \\ AI & 0.75 ab & 0.71 a & 0.72 b & 0.73 a & 0.008 & ns & ** & ns \\ h/H & 1.50 a & 1.54 a & 1.44 a & 1.53 a & 0.017 & ns & ns & ns \\ \hline \hline \end{tabular}  
* d Mean values in the same row corresponding to the same parameter) with different letters differ significantly (\(p<0.05\); Duncan test); SEM: standard error of the mean; Sig: significance: *** (\(p<0.001\)). **(\(p<0.01\))** (\(p<0.05\)), ns. (not significant); DI (Diet 1) = convent concentrate + straw, D2 (Diet 2) = silage + organic concentrate; B = breed; D = finishing diet. SFA: saturated fatty acids; MUFA: monounsaturated fatty acids; PUFA: polyunsaturated fatty acids; +3: omega-3; +\(n\):6: omega-6; LC :n-3: long chain omega-3; TI: thrombogenic index; AI atherogenic index; h/H: hypo/hypechlegentrole fatty acids.  
\end{table}