Genetic parameters of colostrum and calf serum antibodies in Swedish dairy cattle

Cordero-Solorzano, Juan; de Koning, Dirk-Jan; Tråvén, Madeleine; de Haan, Therese; Jouffroy, Mathilde; Larsson, Andrea; Myrthe, Aline; Arts, Joop A. J.; Parmentier, Henk K.; Bovenhuis, Henk; Wensman, Jonas Johansson

doi:10.1186/s12711-022-00758-y

Genetics Selection Evolution

Table 6 Genetic and phenotypic correlations between colostrum traits (vertical) and calf serum traits (horizontal)

From: Genetic parameters of colostrum and calf serum antibodies in Swedish dairy cattle

Trait	STP	S-IgG^a	KLH-IgA	KLH-IgG	KLH-IgM	MDP-IgA	MDP-IgG	MDP-IgM
Phenotypic correlations
Brix (%)	0.17 (0.04)	0.20 (0.04)	0.14 (0.05)	0.14 (0.05)	0.10 (0.05)	0.14 (0.05)	0.10 (0.05)	0.21 (0.04)
T-IgG^a	0.26 (0.04)	0.26 (0.04)	0.13 (0.04)	0.13 (0.04)	0.07 (0.04)	0.13 (0.05)	0.14 (0.04)	0.17 (0.04)
KLH-IgA	0.08 (0.04)	0.13 (0.04)	0.39 (0.04)	0.21 (0.04)	0.26 (0.04)	0.32 (0.04)	0.20 (0.04)	0.33 (0.04)
KLH-IgG	0.09 (0.05)	0.17 (0.04)	0.15 (0.04)	0.53 (0.03)	0.09 (0.05)	0.09 (0.05)	0.28 (0.04)	0.14 (0.05)
KLH-IgM	0.12 (0.04)	0.16 (0.04)	0.30 (0.04)	0.14 (0.04)	0.25 (0.04)	0.34 (0.04)	0.16 (0.04)	0.40 (0.04)
MDP-IgA	0.08 (0.05)	0.12 (0.05)	0.27 (0.04)	0.14 (0.04)	0.19 (0.04)	0.35 (0.04)	0.19 (0.04)	0.31 (0.04)
MDP-IgG	0.04 (0.04)	0.07 (0.04)	0.13 (0.04)	0.13 (0.04)	0.04 (0.04)	0.06 (0.05)	0.43 (0.04)	0.11 (0.04)
MDP-IgM	0.13 (0.04)	0.13 (0.04)	0.26 (0.04)	0.14 (0.04)	0.25 (0.04)	0.29 (0.04)	0.12 (0.04)	0.37 (0.04)
Genetic correlations
Brix	0.54 (0.38)	0.61 (0.54)	0.39 (0.22)	0.70 (0.61)	− 0.02 (0.32)	0.31 (0.22)	NE	0.40 (0.19)
T-IgG^a	0.95 (0.32)	0.82 (0.52)	0.43 (0.28)	0.86 (0.63)	− 0.08 (0.40)	0.18 (0.30)	0.88 (0.66)	0.48 (0.23)
KLH-IgA	0.58 (0.44)	0.51 (0.69)	0.94 (0.18)	0.23 (0.84)	0.70 (0.27)^b	0.71 (0.19)	0.85 (0.50)	0.78 (0.15)
KLH-IgG	0.60 (0.42)	0.77 (0.59)	0.11 (0.40)	0.99 (0.42)	− 0.51 (0.54)	-0.31 (1.61)	0.93 (0.38)	− 0.02 (0.32)
KLH-IgM	0.75 (0.52)	0.95 (0.89)	0.98 (0.18)	0.34 (0.74)	0.67 (0.28)^b	0.67 (0.18)	0.84 (0.59)	0.91 (0.13)
MDP-IgA	0.52 (0.52)	0.68 (0.96)	0.99 (0.22)	0.36 (0.61)	0.48 (0.30)	0.65 (0.17)	0.90 (0.65)	0.77 (0.17)
MDP-IgG	0.30 (0.44)	0.18 (0.65)	0.51 (0.31)	-0.16 (0.76)	0.03 (0.34)	0.29 (0.34)	0.91 (0.45)	0.13 (0.26)
MDP-IgM	0.99 (0.72)	0.92 (1.06)	0.98 (0.18)	0.43 (0.64)	0.89 (0.27)	0.96 (0.29)	0.60 (0.62)	0.99 (0.23)

Numbers in parenthesis are the standard errors
Bold characters highlight significant genetic correlations
The natural antibodies are coded as follows: MDP Muramyl dipeptide, KLH Keyhole limpet hemocyanin, IgA Immunoglobulin A, IgG Immunoglobulin G, IgM Immunoglobulin M
T-IgG colostrum IgG; NE not estimable
^aVariance components for correlations were estimated using a square root transformation
^bSuggestive significance (0.05 < p-value < 0.10)

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