Yueyue You, Amy van Grieken, Fernando Estévez-López, Junwen Yang-Huang, Hein Raat
Factors Associated With Early Elementary Child Health-Related Quality of Life: The Generation R Study
Frontiers in public health
study reproductive traits crucial improving genetic potential goats significant utility meat production hence genetic analysis conducted reproductive traits alpine beetal goats using animal model first parity data information 1462 reproductive records collected five decades icarnational dairy research institute karnal haryana 19712021 singletrait multitrait animal models used genetic analysis estimates covariance components genetic parameters obtained using gibbs sampler animal model due nonnormal distribution data six singletrait animal models including excluding maternal environmental effects fitted best models determined based deviance convergence criterion values prolificacy b goats first parity data 32 68 single births 31 twins 1 tripletsquadruplets least squares mean age first service afs age first kidding afk service period sp dry period dp gestation length gl kidding interval ki litter weight lw number kids born nkb number females kids born nfkb first parity 54615 410 days 67905 407 days 22651 402 days 6796 276 days 15074 013 days 36253 335 days 399 004 kg 132 002 064 002 respectively heritability estimates obtained best model afs afk gl ki sp dp 012 000 010 000 009 001 003 000 004 000 005 000 respectively nkb nfkb lw heritability estimates 016 001 003 003 004 000 respectively results imply lower heritability estimates reproductive traits hence meagre scope selection improvement maternal effects contributed significantly traits gl nkb nfkb genetic correlation number female kids born negative sp dp favourable furthermore genetic correlation negative dry period litter weight favourable number kids born litter weight traits direct economic importance results reveal high genetic potential breed meat industry owing high prolificacy provided consistent efforts made genetic improvement germplasm