. 2019 Dec 13;99(3):1421–1431. doi: 10.1016/j.psj.2019.10.060

Table 11.

Effect of dietary treatments on plasma concentrations (μmol/L) of free amino acids in the systemic circulation (brachial vein) at 34 D posthatch.

Treatment	Arginine	Histidine	Isoleucine	Leucine	Lysine	Methionine	Phenylalanine	Threonine
1	412^a	63^d	111	203^b	290^a	100^a	140^c	505^a
2	324^b	49^c	121	203^b	275^a	119^a	140^c	631^a,b
3	286^b	38^a,b	110	158^a	318^a	123^a	120^b	715^b
4	285^b	44^b,c	128	168^a	539^b	170^b,c	115^a,b	1,093^c
5	287^b	35^a	123	161^a	563^b	187^c	103^a	1,086^c
6	313^b	41^a,b	128	172^a	525^b	182^b,c	117^b	1,141^c
7	308^b	44^a,b	136	179^a	555^b	161^b	118^b	1,090^c
SEM	20.85	2.50	6.45	7.66	30.05	8.10	4.77	57.25
Significance (P=)	0.001	<0.001	0.077	<0.001	<0.001	<0.001	<0.001	<0.001
LSD (P < 0.05)	59.5	7.1	-	22.6	85.7	23.1	13.6	163.4
Linear effect	r = 0.602	r = 0.648	r = 0.266	r = 0.579	r = −0.751	r = −0.790	r = 0.626	r = −0.836
Diets 1 to 4	P = 0.001	P < 0.001	P = 0.172	P = 0.001	P < 0.001	P < 0.001	P < 0.001	P < 0.001

Treatment	Tryptophan	Valine	Alanine	Aspartate + Asparagine	Glutamic aci^d	Glycine	Serine	Tyrosine
1	77	227^a	961	234^c,d	259	675^d	575	211^a,b,c
2	73	246^a	1,145	265^d	260	581^c	508	235^c
3	71	237^a	1,081	231^b,c	252	484^b	477	223^b,c
4	81	289^b	1,147	207^a,b,c	250	415^a	449	182^a,b
5	84	287^b	1,204	207^a,b,c	265	429^a,b	499	165^a
6	79	290^b	1,182	190^a	255	417^a	465	173^a
7	81	300^b	1,116	199^a,b	244	475^a,b	511	183^a,b
SEM	5.18	12.76	66.65	11.74	16.10	23.56	29.48	16.57
Significance (P=)	0.615	<0.001	0.213	0.001	0.976	<0.001	0.092	0.029
LSD (P < 0.05)	-	36.4	-	33.5	-	67.2	-	47.3
Linear effect	r = 0.072	r = −0.527	r = −0.302	r = 0.348	r = 0.101	r = 0.880	r = 0.580	r = 0.273
Diets 1 to 4	P = 0.717	P = 0.004	P = 0.118	P = 0.070	P = 0.608	P < 0.001	P = 0.001	P = 0.160

^a-dMeans within columns not sharing common suffixes are significantly different at the 5% level of probability.

Abbreviation: LSD, low stocking density.