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Table 3 Inbreeding depression estimates for milk yield and composition traits expressed as the change of the phenotypic mean per 0.1 units increase of the corresponding inbreeding coefficient (95% confidence intervals are displayed in brackets)

From: Genomic patterns of homozygosity and inbreeding depression in Murciano-Granadina goats

Traitb

FHOM

FROH

FROHLong

FROHShort

Mean ± s.e.a

(CI 95%)

P-value

Mean ± s.e.a

(CI 95%)

P-value

Mean ± s.e.a

(CI 95%)

P-value

Mean ± s.e.a

(CI 95%)

P-value

MY210

– 48.503 ± 21.124 (− 89.906 to – 7.101)

0.011

– 20.492 to ±9.356 (−  38.830 to – 2.154)

0.014

21.231 ± 25.901 (− 29.536 to 71.998)

0.206

19.751 ± 83.308 (−  143.533 to 183.034)

0.406

MY240

– 51.017 ± 24.159 (− 98.369 to – 3.666)

0.017

– 21.296 to ±10.702 (−  42.272 to – 0.320)

0.023

34.358 ± 30.841 (−  26.090 to 94.806)

0.133

10.158 ± 93.948 (− 173.980 to 194.296)

0.457

MY305

– 55.719 ± 29.987 (−  114.493 to 3.055)

0.032

– 23.196 to ±13.284 (− 49.233 to 2.841)

0.040

48.052 ± 47.583 (− 45.211 to 141.315)

0.156

– 16.834 ± 118.042 (− 248.196 to 214.527)

0.443

lnSCC

0.290 ± 0.162 (−  0.027 to 0.608)

0.037

0.127 ± 0.072 (− 0.013 to 0.268)

0.038

– 0.268 ± 0.635 (− 1.514 to 0.977)

0.336

– 0.368 ± 0.649 (−  1.640 to 0.905)

0.286

FP

0.119 ± 0.121 (− 0.117 to 0.356)

0.161

0.046 ± 0.053 (− 0.059 to 0.150)

0.196

– 0.016 ± 0.209 (− 0.426 to 0.394)

0.469

– 0.031 ± 0.428 (− 0.871 to 0.809)

0.471

LP

0.029 ± 0.044 (− 0.057 to 0.116)

0.252

0.015 ± 0.019 (− 0.024 to 0.053)

0.226

– 0.090 ± 0.172 (− 0.428 to 0.247)

0.300

– 0.073 ± 0.169 (−  0.404 to 0.257)

0.332

PP

0.071 ± 0.068 (−  0.062 to 0.204)

0.147

0.035 ± 0.030 (− 0.024 to 0.093)

0.122

0.039 ± 0.106 (− 0.169 to 0.246)

0.358

– 0.157 ± 0.257 (− 0.660 to 0.346)

0.270

  1. as.e. standard error; CI 95, 95% confidence interval
  2. bMY210; milk yield at 210 days of lactation (kg); MY240; milk yield at 240 days of lactation (kg); MY305; milk yield at 305 days of lactation (kg); lnSCC, natural logarithm of the milk somatic cell count divided by 1000 (to convert this value into a somatic cell count use the formula: elnSCC × 103 cells/mL); FP, milk fat percentage (%); LP, milk lactose percentage (%); PP, milk protein percentage (%)
  3. * numbers in bold correspond to P-values below 0.05