Table 3 Characteristics of studies included in the database for estimating the protein requirements.

From: Protein requirements of hair sheep raised in warm areas: a multi-study approach

Studies

n

Breed

Sex

Feeding System

CP (g/kg DM)

ME (g/kg DM)

Nascimento Júnior29

30

Dorper and Santa Ines

CM

Pasture

Silva et al.30

32

Santa Ines

CM

Pasture

50–224

1.6–2.3

Pereira31

30

Santa Ines

IM

Feedlot

129–174

2.0–2.1

Costa et al.32

47

Morada Nova

IM

Feedlot

47–181

0.9–3.1

Regadas Filho et al.9

23

Santa Ines

IM

Feedlot

143–230

2.1–2.7

Oliveira et al.33

34

Santa Ines

IM

Feedlot

104–205

1.7–3.4

Rodrigues et al.34

36

Non-descript breed

IM and CM

Feedlot

204–230

1.7–2.5

Pereira et al.35

47

Brazilian Somali

IM

Feedlot

88–202

0.9–2.9

Pereira et al.7

37

Santa Ines

IM and CM

Feedlot

154–236

1.6–2.6

Pereira et al.23

31

Morada Nova

IM and CM

Feedlot

169–173

2.1–2.7

Mendes et al.36

35

½ Dorper x ½ Santa Ines

IM

Feedlot

139–150

2.0–2.5

  1. n number of experimental units, DM dry matter, CP crude protein, ME metabolisable energy, IM intact male, CM castrated male.