Table 2 Description of daily milk production (ml/animal/day) and composition traits in the dataset.

From: A large database linking the rumen bacterial composition and milk traits in Lacaune sheep

Trait

Units

Mean

Standard deviation

Milk yield

ml per day

1,946

589

Fat content

g per 100 ml

7.38

1.14

Butyric acid (C4:0)

g per 100 ml

0.25

0.04

Caproic acid (C6:0)

g per 100 ml

0.21

0.03

Caprylic acid (C8:0)

g per 100 ml

0.20

0.03

Capric acid (C10:0)

g per 100 ml

0.73

0.12

Lauric acid (C12:0)

g per 100 ml

0.49

0.09

Palmitic acid (C16:0)

g per 100 ml

1.96

0.37

Oleic acid (cis-9 C18:1)

g per 100 ml

0.81

0.31

Rumenic acid (cis-9 trans-11 C18:2)

g per 100 ml

0.04

0.02

Alpha-linolenic acid (C18:3ω-3)

g per 100 ml

0.04

0.01

Protein content

g per 100 ml

5.72

0.52

Alpha-S1-casein

g per 100 ml

1.38

0.15

Alpha-S2-casein

g per 100 ml

0.66

0.26

Beta-casein

g per 100 ml

2.10

0.23

Kappa-casein

g per 100 ml

0.45

0.05

Alpha-lactalbumin

g per 100 ml

0.14

0.01

Beta-lactoglobulin

g per 100 ml

0.46

0.05

Somatic cell score (SCS)*

 

3.11(671)

1.91(2881)

  1. SCC = somatic cell count (values of mean and SD in brackets, expressed as number of cells per ml of milk.
  2. *SCS = 3 + log2(SCC/100,000).