Table 1 Summary on generation of CRISPR/Cas9 targeted lambs by injection of sgRNA/Cas9 mRNA into cytoplasm of zygotes.

From: Alteration of sheep coat color pattern by disruption of ASIP gene via CRISPR Cas9

Donor Ewe

Collected Embryos

Injected Embryo

Cleavage Ratio (%)

Embryos For ET

Surrogate Ewes

Conception Rate (%) (Pregnancies /Surrogates)

Lambs Born

Gene Modified Lambs

GM Ratio (%) (GM Lambs/ Lambs Born)

14

113

105

87.62 (92/105)

92

60

10 (6/60)

6

5

83.33 (5/6)