Gauly, Matthias

[["dc.bibliographiccitation.artnumber","e0204211"],["dc.bibliographiccitation.issue","12"],["dc.bibliographiccitation.journal","PLOS ONE"],["dc.bibliographiccitation.volume","13"],["dc.contributor.author","König von Borstel, Uta"],["dc.contributor.author","Tönepöhl, Björn"],["dc.contributor.author","Appel, Anne K."],["dc.contributor.author","Voß, Barbara"],["dc.contributor.author","Brandt, Horst"],["dc.contributor.author","Naderi, Saeid"],["dc.contributor.author","Gauly, Matthias"],["dc.date.accessioned","2019-07-09T11:49:51Z"],["dc.date.available","2019-07-09T11:49:51Z"],["dc.date.issued","2018"],["dc.description.abstract","Changes in husbandry systems as well as consumers' increasing demands for animal welfare lead to increasing importance of traits such as handleability and aggressiveness in pigs. However, before using such novel traits for selection decisions, information on genetic parameters for these traits for the specific population is required. Therefore, weight gain and behaviour-related traits were recorded in 1004 pigs (814 Pietrain x German Landrace crossbred, 190 German Landrace purebred) at different ages. Behaviour indicators and tests were assessed and conducted, respectively under commercial farm conditions and included scoring of skin lesions (twice) and behaviour during backtests (twice), injections (once), handling (twice) and weighing (three times). Since behaviour scores often exhibit suboptimal statistical properties for parametric analyses, variance components were estimated using an animal model assuming a normal (Gaussian, GA; all traits) and additionally a binary distribution of variables (BI; using a logit-link function for all behaviour traits). Heritabilities for behavioural traits ranged from 0.02 ± 0.04 (finishing pig handling test; BI) to 0.36 ± 0.08 (backtest 2; GA) suggesting that some of the traits are potentially useful for genetic selection (e.g. finishing pig weighing test: h2 (GA) = 0.20 ± 0.07). Only minor differences were observed for results from binary and Gaussian analyses of the same traits suggesting that either approach might yield valid results. However, four-fold cross-validation using correlations between breeding values of a sub-set of animals for the sample trait finishing pig weighing score indicated slight superiority of the logit model (r = 0.85 ± 0.04 vs. r = 0.77 ± 0.03). Generally, only weak to moderate associations were found between behavioural reactions to the same test at different ages (rp ≤ 0.11 for weighing at different ages; rp = 0.30 but rg (GA) = 0.84 ± 0.11 for the backtests) as well as between reactions to different tests. Therefore, for inclusion of behaviour traits into breeding programmes, and considering high labour input required for some tests such as the backtest, it is recommended to assess behaviour during situations that are relevant and identical to practical conditions, while the use of indicator traits generally does not appear to be a very promising alternative."],["dc.identifier.doi","10.1371/journal.pone.0204211"],["dc.identifier.pmid","30592711"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/15796"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/59646"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.relation.issn","1932-6203"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.subject.ddc","630"],["dc.title","Suitability of traits related to aggression and handleability for integration into pig breeding programmes: Genetic parameters and comparison between Gaussian and binary trait specifications."],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","7600"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Scientific reports"],["dc.bibliographiccitation.volume","7"],["dc.contributor.author","Riek, Alexander"],["dc.contributor.author","Brinkmann, Lea"],["dc.contributor.author","Gauly, Matthias"],["dc.contributor.author","Perica, Jurcevic"],["dc.contributor.author","Ruf, Thomas"],["dc.contributor.author","Arnold, Walter"],["dc.contributor.author","Hambly, Catherine"],["dc.contributor.author","Speakman, John R."],["dc.contributor.author","Gerken, Martina"],["dc.date.accessioned","2019-07-09T11:44:52Z"],["dc.date.available","2019-07-09T11:44:52Z"],["dc.date.issued","2017-08-08"],["dc.description.abstract","Mammals typically keep their body temperature (Tb) within a narrow limit with changing environmental conditions. There are indications that some wild ungulates can exhibit certain forms of energy saving mechanisms when ambient temperatures are low and/or food is scarce. Therefore, the aim of the study was to determine if the llama, one of the most extensively kept domestic livestock species, exhibits seasonal adjustment mechanisms in terms of energy expenditure, Tb and locomotion. For that purpose llamas (N = 7) were kept in a temperate habitat on pasture. Locomotor activity, Tb (measured in the rumen) and the location of each animal were recorded continuously for one year using a telemetry system. Daily energy expenditure was measured as field metabolic rate (FMR). FMR fluctuated considerably between seasons with the lowest values found in winter (17.48 ± 3.98 MJ d-1, 402 kJ kg-0.75 d-1) and the highest in summer (25.87 ± 3.88 MJ d-1, 586 kJ kg-0.75 d-1). Llamas adjusted their energy expenditure, Tb and locomotor activity according to season and also time of day. Thus, llamas seem to have maintained the ability to reduce their energy expenditure and adjust their Tb under adverse environmental conditions as has been reported for some wild ungulates."],["dc.identifier.doi","10.1038/s41598-017-07946-7"],["dc.identifier.pmid","28790450"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/14938"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/59115"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.relation.issn","2045-2322"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0/"],["dc.subject.ddc","630"],["dc.title","Seasonal changes in energy expenditure, body temperature and activity patterns in llamas (Lama glama)."],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","155"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","Journal of Agriculture and Rural Development in the Tropics and Subtropics"],["dc.bibliographiccitation.lastpage","156"],["dc.bibliographiccitation.volume","113"],["dc.contributor.author","Lambertz, Christian"],["dc.contributor.author","Chaikong, Chakrapong"],["dc.contributor.author","Maxa, Jan"],["dc.contributor.author","Schlecht, Eva"],["dc.contributor.author","Gauly, Matthias"],["dc.date.accessioned","2019-07-10T08:14:08Z"],["dc.date.available","2019-07-10T08:14:08Z"],["dc.date.issued","2012"],["dc.description.abstract","Since the Thai economy experiences rapid growth, agricultural systems, i.e. crop-livestock systems, are changing rapidly. On account of these changes, buffalo and cattle production has to be re-examined in terms of performance characteristics and roles of livestock for farm households in order to initiate suitable development programmes. Therefore, this study aimed to investigate the present characteristics of beef buffalo and beef cattle farms in Northeast Thailand. Using a semi-structured questionnaire, 121 randomly selected beef buffalo and beef cattle farms were interviewed in Nakhon Ratchasima province between October 2007 and May 2008. Both buffaloes and cattle were mostly integrated in mixed crop-livestock systems with medium to large farm sizes (7.9 ha), whereof less than half of the area was used for livestock. Family members were mainly responsible for the different activities of livestock farming and salaried labourers were only found on large-scale farms. The dominant roles of livestock were income generation to build up wealth or savings, the coverage of expected and unexpected expenses and earning of regular and additional income. Another important issue was the improvement of the social status, which increased with herd size. In order to improve farmers’ livelihoods and develop sustainable farming systems in Northeast Thailand the changing economic circumstances of cattle and especially buffalo production should receive more attention of researchers, governmental institutions and stakeholders."],["dc.format.extent","10"],["dc.identifier.fs","595882"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/9546"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/61443"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.relation.issn","1612-9830"],["dc.relation.orgunit","Fakultät für Agrarwissenschaften"],["dc.rights","CC BY-NC-ND 3.0"],["dc.rights.uri","http://creativecommons.org/licenses/by-nc-nd/3.0"],["dc.subject.ddc","630"],["dc.title","Characteristics, socioeconomic benefits and household livelihoods of beef buffalo and beef cattle farming in Northeast Thailand"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]