PhD theses

All Wageningen University PhD theses

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    Wageningen PhD theses

    This database contains bibliographic descriptions of all Wageningen University PhD theses from 1920 onwards. It is updated on a daily basis by WUR Library.

    Author abstracts and/or summaries are added to all descriptions. A link to the full text dissertation is added to the bibliographic description. In a few cases, no electronic version is available, mostly because of copyright issues.

    Hard copies of all theses are available for loan at WUR Library. To request them, click the link Request this publication in the full record presentation. This is a fee based service.

    mail icon WUR Library, 9 july 2012


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Exploiting whole genome sequence variants in cattle breeding : unraveling the distribution of genetic variants and role of rare variants in genomic evaluation [PhD thesis]
Zhang, Qianqian \ 2017
cattle - genomes - genetic variation - inbreeding - homozygosity - longevity - quantitative traits - animal breeding - animal genetics
The genetic background of bovine alpha s1- and alpha s2-casein phosphorylation [PhD thesis]
Fang, Zih-Hua \ 2017
dairy cattle - alpha-s1-casein - alpha-s2-casein - phosphorylation - milk composition - milk proteins - genetic variation - genetic factors - animal genetics
Predicting methane emission of dairy cows using milk composition [PhD thesis]
Gastelen, Sanne van \ 2017
dairy cows - dairy cattle - methane production - emission - milk composition - fatty acids - cattle feeding - fermentation - nutrition physiology - animal nutrition - pollution
Metabolic status, lactation persistency, and udder health of dairy cows after different dry period lengths [PhD thesis]
Hoeij, Renny van \ 2017
dairy cattle - animal health - animal behaviour - dry period - metabolism - energy balance - lactation - milk production - udders - cattle feeding
The evaluation of energy in fish feed [PhD thesis]
Haidar, Mahmoud \ 2017
oreochromis niloticus - fish feeding - feed formulation - digestible energy - dietary protein - dietary fat - carbohydrates - growth - feed evaluation - fish culture - aquaculture
Simulating pigs : understanding their motivations, behaviour, welfare and productivity [PhD thesis]
Boumans, Iris \ 2017
pigs - pig farming - sustainability - motivation - animal behaviour - behaviour disorders - animal welfare - simulation models - animal production
Nutrition of pigs kept under low and high sanitary conditions : effects on animo acid and energy metabolism and damaging behaviour [PhD thesis]
Full text publicly available; under embargo until:2019-07-07
Meer, Yvonne van der \ 2017
pigs - feeds - pig feeding - animal nutrition - amino acid metabolism - animal health - energy metabolism - abnormal behaviour - behaviour disorders - immune system - nutrition physiology
The utility of sensor technology to support reproductive management on dairy farms [PhD thesis]
Rutten, C.J. \ 2017
dairy cattle - dairy farms - sensors - reproduction - reproductive behaviour - animal health - calving - activity - management - dairy farming - technology - agricultural economics
The development of a sole diet based on the composition of ragworm [PhD thesis]
Kals, Jeroen \ 2017
dover soles - annelida - fish feeding - anaemia - haemoglobin - fish culture - aquaculture
Consequences of dry period length and dietary energy source on physiological health variables in dairy cows and calves [PhD thesis]
Full text publicly available; under embargo until:2019-05-24
Mayasari, Nova \ 2017
dairy cows - calves - dry period - feed rations - feeds - energy balance - animal health - inflammation - antibodies - adaptation physiology - immunology
Development of pigs raised in a group housing system for lactating sows and their litters [PhD thesis]
Nieuwamerongen, S.E. van \ 2017
pigs - piglets - sows - biological development - group housing - lactation - weaning - environmental enrichment - animal behaviour - performance
Bringing eggs and bones to light : affecting leg bone development in broiler chickens through perinatal lighting schedules [PhD thesis]
Pol, Carla W. van der \ 2017
broilers - limb bones - biological development - embryonic development - eggs - light regime - incubation - hatching - circadian rhythm - animal pathology - animal health - poultry farming

Leg bone pathologies are a common problem in broiler chickens, and they can lead to decreased welfare and poor production performance. It can be speculated that the aetiology of some leg bone pathologies lies, to some extent, in suboptimal early life bone development. One factor that can be speculated to affect bone development, and consequently leg health, in broiler chickens is application of light. Light has several properties, such as light intensity, color, duration, and schedule. The present thesis focuses on lighting schedules. Aim was to investigate how lighting schedules applied during incubation and in the early post hatch period (the brooding period) affected leg bone development throughout a broiler’s life and leg health at slaughter age.

Feeds, water quality, gut morphology and digestion in Nile tilapia (Oreochromis niloticus) [PhD thesis]
Trần Ngọc Thiên Kim \ 2017
tilapia - oreochromis niloticus - feeds - fish feeding - water quality - digestion - digestibility - intestines - morphology - fish culture - aquaculture
Breeding strategies for sustainable intensification of developing smallholder dairy cattle production systems [PhD thesis]
Kariuki, Charles Mbogo \ 2017
dairy cattle - small businesses - sustainable animal husbandry - intensification - breeding programmes - progeny testing - genetic improvement - dairy performance - developing countries
Optimization of breeding schemes for Nile tilapia (Oreochromis niloticus) in smallholder production systems in Kenya [PhD thesis]
Omasaki, Simion Kipkemboi \ 2017
oreochromis niloticus - tilapia - breeding programmes - selective breeding - genetic improvement - small farms - sustainability - fish culture - aquaculture - kenya
Milk progesterone measures to improve genomic selection for fertility in dairy cows [PhD thesis]
Tenghe, Amabel Manyu Mefru \ 2017
dairy cows - fertility - progesterone - milk - genomics - genetic improvement - heritability - genetic parameters - dairy performance - reproductive traits - animal genetics - animal breeding - dairy farming
Assessing methane emission from dairy cows : modeling and experimental approaches on rumen microbial metabolism [PhD thesis]
Full text publicly available; under embargo until:2019-05-28
Lingen, Henk J. van \ 2017
dairy cows - methane - emission - microbial degradation - rumen metabolism - rumen fermentation - models - fatty acids - biochemical pathways - animal nutrition - nutrition physiology
First week nutrition for broiler chickens : effects on growth, metabolic status, organ development, and carcass composition [PhD thesis]
Lamot, David \ 2017
broilers - animal nutrition - poultry feeding - feeds - growth - metabolism - carcass composition - nutrition physiology
Genetic improvement of longevity in dairy cows [PhD thesis]
Pelt, Mathijs van \ 2017
dairy cows - longevity - genetic improvement - breeding value - genetic analysis - survival - animal models - animal genetics
Genetic improvement of feed intake and methane emissions of cattle [PhD thesis]
Manzanilla Pech, Coralia I.V. \ 2017
cattle - feed intake - methane production - genetic improvement - genetic parameters - conformation - breeding value - animal genetics
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