Scott I Donaldson, Trista A Beard, Jacqueline Trinh, Sarayu Jaladanki, Jennifer B Unger, Artur Galimov, Heather L Wipfli, Jon-Patrick Allem
Content analysis of email marketing communications among online e-cigarette retailers
Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco
part development breeding programme dairy goats support sustainable production organic farming overall aim present study identify traits used selection criteria lifetime productivity breeding goal high lifetime productivity good milk composition good level robustness animals especially within grazing systems lifetime productivity traits analysed study length animals productive life lpl lifetime efficiency lef animals milk yield efficiency respect total number lactating days edm average fat protein content animals lifetime fattoprotein ratio fpr urea content uc also included indirect health traits potential indicators robustness dairy goats traits influencing factors phenotypic genetic correlations heritability examined furthermore factors influencing milk yield first 120 lactation animals first lactation analysed aim investigating milk yield first lactation consider connection early performance recoding life animal lpl lef edm total lactation pedigree data 9192 dairy goats common german fawn gf german white gw dairy breeds used prerequisites investigated birth cohorts definitively completed lifetime production high proportion goats completed extended lactation data analysis showed breed influence milk yield age first kidding average number kids born animals lifetime lactation length influence milk yield applies milk yield first 120 first lactation well lifetime animal considering influencing factors results showed lpl genetically positively correlated lef edm rg065006 029007 respectively heritability lpl lef edm 022002 029003 044003 respectively regarding lifetime milk composition heritability protein fat content fpr uc 063002 052002 032003 047004 respectively heritability regarding milk yield first 120 first lactation 034003 found milk yield first 120 first lactation showed genetic correlation lpl lef edm 030008 082004 089003 respectively summary lpl lef edm suitable traits indicate lifetime productivity dairy goats additional indicator lifetime productivity could milk yield first 120 first lactation moreover fpr uc appear promising indicator traits health robustness dairy goats present study showed importance considering extended lactation selective breeding programmes well importance modelling extended lactation breeding value estimation