Table 2 Estimated ERV content based on retroviral chains, and a comparison with previous estimates and other species

A. mississippiensis

American alligator

0.25%

1.88%

[21]

C. porosus

Saltwater crocodile

0.26%

1.63%

[21]

G. gangeticus

Gharial

0.14%

1.22%

[21]

Anolis carolinensis

Green anole

3.00%

[33]

Bos taurus

European cattle

0.36%

4.29%

[34]

Canis familiaris

Dog

0.15%

[32]

Danio rerio

Zebrafish

0.80%

[32]

Gallus gallus

Chicken

0.20%

2.90%

[32],[35]

Homo sapiens

Human

0.80%

8.29%

[22],[36]

Monodelphis domestica

Opossum

2.00%

10.64%

[32],[37]

Mus musculus

Mouse

2.00%

9.22%

[32],[36]

Xenopus tropicalis

Western clawed frog

0.12%

[38]