Table 5. Plasma free saturated fatty acid concentration (μM) in six Quaker parrots (Myiopsitta monachus) determined by mass spectrometry.

Lipids	Median	IQR	Min	Max	%
FA(02:0) Acetic acid	5.234	2.191	1.013	6.978	0.5
FA(03:0) Propionic acid	0.019	NA	<LOD	0.348	0.0
FA(04:0) Butyric acid	1.271	0.787	0.912	2.19	0.1
FA(04:0) Isobutyric acid	1.52	0.248	1.133	1.88	0.1
FA(05:0) 2-Methylbutyric acid	1.965	0.306	1.67	2.48	0.2
FA(05:0) Isovaleric acid	0.864	0.178	0.62	1.458	0.1
FA(05:0) Valeric acid	0.051	0.135	0	0.195	0.0
FA(06:0) 3-Methylvaleric acid	0.04	0.033	0	0.073	0.0
FA(06:0) Caproic acid	0.357	0.227	0.186	0.515	0.0
FA(06:0) Isocaproic acid	<LOD	NA	<LOD	0.116	0.0
FA(08:0) Caprylic acid	4.843	1.517	1.325	5.801	0.4
FA(09:0) Pelargonic acid	1.666	0.512	0.814	2.256	0.2
FA(10:0) Capric acid	1.172	0.399	0.918	1.703	0.1
FA(11:0) Undecylic acid	0.19	0.029	0.096	0.21	0.0
FA(12:0) Lauric acid	2.779	0.599	2.319	3.443	0.3
FA(13:0) Tridecylic acid	0.062	0.15	0.017	0.249	0.0
FA(14:0) Myristic acid	17.871	3.756	13.139	20.906	1.6
FA(15:0) Pentadecylic acid	2.918	0.855	2.279	3.428	0.3
FA(16:0) Palmitic acid	744.897	75.048	472.605	1014.033	68.6
FA(17:0) Margaric acid	5.97	1.271	3.534	7.728	0.5
FA(18:0) Stearic acid	264.991	23.737	162.998	311.587	24.4
FA(19:0) Nonadecylic acid	2.699	0.492	2.483	3.702	0.2
FA(20:0) Arachidic acid	8.135	1.556	6.504	9.069	0.7
FA(21:0) Heneicosylic acid	0.867	0.254	0.505	0.964	0.1
FA(22:0) Behenic acid	6.088	1.776	3.312	7.097	0.6
FA(23:0) Tricosylic acid	0.87	0.345	0.577	1.371	0.1
FA(24:0) Lignoceric acid	8.134	1.426	4.36	9.473	0.7

IQR, interquartile range; NA, not applicable; LOD, limits of detection.