Table 4.
Effects of dietary N-carbamylglutamate (NCG) and rumen-protected L-arginine (RP-Arg) supplementation on fetal liver estimates of cellularity in underfed Hu ewes on d 110 of gestation1.
| Item | CON2 | RES3 | RESA4 | RESN5 | SEM | P-value |
|---|---|---|---|---|---|---|
| DNA, mg/g | 11.46 | 11.53 | 11.48 | 11.41 | 1.03 | 0.221 |
| RNA, mg/g | 14.97a | 8.59c | 11.62b | 11.96b | 1.38 | 0.009 |
| RNA:DNA ratio | 1.31a | 0.74c | 1.01b | 1.05b | 0.19 | 0.016 |
| Protein, mg/g | 137.69a | 87.68c | 104.26b | 110.27b | 8.97 | 0.008 |
| Protein:DNA ratio | 12.02a | 7.61c | 9.08b | 9.67b | 1.03 | 0.021 |
a, b, c With in a row, means without a common superscript differ P ＜0.05.
1
Data are means and pooled SEM (n = 16 per group).
2
CON: ewes fed 100% of NRC (1985) recommendations for pregnancy.
3
RES: ewes fed 50% of NRC (1985) recommendations for pregnancy.
4
RESA: RES ewes supplemented RP-Arg at 20 g per day.
5
RESN: RES ewes supplemented NCG at 5 g per day.