Table 3 NASEM vitamin B2 requirement estimates
From: Exploring the role of riboflavin in swine well-being: a literature review
Committee | Vitamin B2 requirement estimates, mg/kg feed | |||
|---|---|---|---|---|
Piglets | Finishing gilts and barrows | Gestating gilts and sows | Lactating gilts and sows | |
NASEM 1944* | - | 1.7 | - | - |
NASEM 1950* | - | 1.8–1.9 | 1.85 | 1.85 |
NASEM 1953* | 2.7 | 2.2 | 2.7 | 2.7 |
NASEM 1959* | 3.1–3.3 | 2.2–2.7 | 3.3 | 3.3 |
NASEM 1964* | 3.1–3.3 | 2.2–2.7 | 3.3 | 3.3 |
NASEM 1968* | 3.0 | 2.2–2.6 | 3.3–4.1 | 3.3–4.1 |
NASEM 1973* | 3.0 | 2.2–2.6 | 3.5-4.0 | 3.5-4.0 |
NASEM 1979* | 3.0 | 2.2–2.6 | 3.0 | 3.0 |
NASEM 1988 [69] | 3.0–4.0 | 2.0-2.5 | 3.75 | 3.75 |
NASEM 1998 [41] | 3.0–4.0 | 2.0-2.5 | 3.75 | 3.75 |
NASEM 2012 [68] | 3.0–4.0 | 2.0-2.5 | 3.75 | 3.75 |