Výsledky vyhledávání - "C.M. Maatjens"

Temperature during the last week of incubation. III. Effects on chicken embryo physiology

Autor: H. van den Brand, Bas Kemp, C.M. Maatjens, Bas Engel, I.A.M. van Roovert-Reijrink, C.W. van der Pol

Publikováno v: Poultry Science, 96(5), 1451-1458
Poultry Science 96 (2017) 5

We investigated effects of eggshell temperature (EST) of 35.6, 36.7, 37.8, or 38.9°C applied from d of incubation (E) 15, E17, or E19 onward on chicken embryo physiology. A total of 2,850 first-grade eggs of a 43-week-old Ross 308 broiler breeder fl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93a7f90c8524a5c29be1650cf58cc66d
https://doi.org/10.3382/ps/pew390

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Light-dark rhythms during incubation of broiler chicken embryos and their effects on embryonic and post hatch leg bone development

Autor: Sander W. S. Gussekloo, Bas Kemp, Henry van den Brand, Carla W. van der Pol, Jan Wijnen, Sander Kranenbarg, Inge A. M. van Roovert-Reijrink, H. Schipper, C.M. Maatjens, Remco P. M. Pieters

Publikováno v: PLoS ONE
PLoS ONE, Vol 14, Iss 1, p e0210886 (2019)
PLoS ONE (2019)

There are indications that lighting schedules applied during incubation can affect leg health at hatching and during rearing. The current experiment studied effects of lighting schedule: continuous light (24L), 12 hours of light, followed by 12 hours

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca8f46cc553c50438724e004f4fb332b
http://europepmc.org/articles/PMC6347197

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Temperature during the last week of incubation. I. Effects on hatching pattern and broiler chicken embryonic organ development

Autor: Bas Engel, H. van den Brand, Bas Kemp, I.A.M. van Roovert-Reijrink, C.M. Maatjens, C.W. van der Pol

Publikováno v: Poultry Science 95 (2016) 4
Poultry Science, 95(4), 956-965

We investigated the effects of an eggshell temperature (EST) of 35.6, 36.7, 37.8, and 38.9°C applied from d of incubation (E) 15, E17, and E19 on hatching pattern and embryonic organ development. A total of 2,850 first-grade eggs of a 43-week-old Ro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5721eb3810135b091cdaaf6e6a38056
https://doi.org/10.3382/ps/pev447

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Lighting schedule and dimming period in early life: consequences for broiler chicken leg bone development

Autor: R. Molenaar, Carla W. van der Pol, Christiaan J. Buitink, C.M. Maatjens, Bas Kemp, Inge A. M. van Roovert-Reijrink, Henry van den Brand

Publikováno v: Poultry Science, 94(12), 2980-2988
Poultry Science 94 (2015) 12

Prolonged (>20 h) light periods during grow-out of broiler chickens have been shown to increase the occurrence of skeletal abnormalities, but the effects of early life light-dark schedules are not well known. The present experiment investigated the e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6976cfa1c9e72d20bc997b682e64c709
https://doi.org/10.3382/ps/pev276

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Effect of eggshell temperature throughout incubation on broiler hatchling leg bone development

Autor: C.M. Maatjens, Bas Kemp, I.A.M. van Roovert-Reijrink, H. van den Brand, C.W. van der Pol, I. van den Anker

Publikováno v: Poultry Science, 93(11), 2878-2883
Poultry Science 93 (2014) 11

Leg problems in broiler chickens may partly be prevented by providing optimal circumstances for skeletal development during incubation. One of the factors demonstrated to affect bone development is eggshell temperature (EST), which provides a reliabl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::080c07393de748678f3928ab22064165
https://doi.org/10.3382/ps.2014-04210

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Temperature during the last week of incubation. II. Effects on first week broiler development and performance

Autor: C.M. Maatjens, I. van den Anker, Bas Engel, I.A.M. van Roovert-Reijrink, H. van den Brand, Bas Kemp, C.W. van der Pol

Publikováno v: Poultry Science, 95(9), 2136-2144
Poultry Science 95 (2016) 9

Little is known about applying various eggshell temperatures (EST) during the last week of incubation. In particular, the effect of an EST below 37.8°C during the last week of incubation is poorly investigated. Therefore, we investigated effects of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57454749e2e69291de2224a121583b8a
https://pubmed.ncbi.nlm.nih.gov/27118862

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High eggshell temperatures during incubation decrease growth performance and increase the incidence of ascites in broiler chickens

Autor: H. van den Brand, R. M. Hulet, R. Meijerhof, R. Molenaar, C.M. Maatjens, Bas Kemp

Publikováno v: Poultry Science 90 (2011) 3
Poultry Science, 90(3), 624-632

High eggshell temperatures (EST; ≥38.9°C) during the second half of incubation are known to decrease the body and organ development of broiler hatchlings. In particular, relative heart weights are decreased by a high EST, and this may increase the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13b9d6fc55cf561b5ce5a4b08e6f8595
https://doi.org/10.3382/ps.2010-00970

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Temperature and CO2 during the hatching phase. I. Effects on chick quality and organ development

Autor: C.M. Maatjens, H. van den Brand, C.W. van der Pol, I.A.M. Reijrink, R. Molenaar, Bas Kemp

Publikováno v: Poultry Science, 93(3), 645-654
Poultry Science 93 (2014) 3

The objective of this study was to investigate the effect of eggshell temperature (EST) and carbon dioxide (CO2) concentration during only the hatching phase on embryonic development and chick quality. Three batches of eggs were incubated at an EST o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::236aeb7ab67666c07f6497adb9eeb3e7
https://research.wur.nl/en/publications/temperature-and-co2-during-the-hatching-phase-i-effects-on-chick-

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Temperature and CO2 during the hatching phase. II. Effects on chicken embryo physiology

Autor: I. van den Anker, I.A.M. Reijrink, H. van den Brand, R. Molenaar, C.W. van der Pol, Bas Kemp, C.M. Maatjens

Publikováno v: Poultry Science, 93(3), 655-663
Poultry Science 93 (2014) 3

The objective of this study was to investigate the effect of eggshell temperature (EST) and carbon dioxide concentration during only the hatching phase on physiological characteristics of embryos and chicks. Three groups of eggs were incubated at an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38bebed912a990a2cf8f7e748491a951
https://research.wur.nl/en/publications/temperature-and-co2-during-the-hatching-phase-ii-effects-on-chick

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Effect of relative humidity during incubation at a set eggshell temperature and brooding temperature posthatch on embryonic mortality and chick quality

Autor: C.M. Maatjens, R. Molenaar, H. van den Brand, I.A.M. van Roovert-Reijrink, C.W. van der Pol

Publikováno v: Poultry Science 92 (2013) 8
Poultry Science, 92(8), 2145-2155

Previous studies have shown that RH during incubation of chicken eggs influences water loss from the egg and embryonic mortality. In those studies, eggshell temperatures (EST) were not monitored or controlled. Because RH influences the egg’s heat l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a37db28b02ba67e8de3337cc6c860c5
https://pubmed.ncbi.nlm.nih.gov/23873563

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