Zobrazeno 1 - 10
of 2 125
pro vyhledávání: '"B. Kemp"'
Publikováno v:
Animal, Vol 18, Iss 6, Pp 101184- (2024)
To avoid a high body protein mobilization in modern lean sows during lactation, an adequate dietary amino acid (AA) supply and an efficient AA utilization are crucial. This study evaluated the effects of dietary CP and in vitro protein digestion kine
Externí odkaz:
https://doaj.org/article/d16b01bc5c9e4fab94395de3431613d6
Publikováno v:
Animal, Vol 18, Iss , Pp 101207- (2023)
Externí odkaz:
https://doaj.org/article/8ea71e6eff2c43bd9b516bdc48ac3726
Publikováno v:
Poultry Science, Vol 102, Iss 5, Pp 102576- (2023)
ABSTRACT: This study aimed to investigate the genetics of rearing success (RS) in laying hens. Four rearing traits: clutch size (CS), first week mortality (FWM), rearing abnormalities (RA), and natural death (ND), were included as factors determining
Externí odkaz:
https://doaj.org/article/e1425c58ca334aa1a2ecfff3a61085da
Publikováno v:
Journal of Dairy Science, Vol 105, Iss 5, Pp 4171-4188 (2022)
ABSTRACT: Based on modeling studies, a 1-yr calving interval for dairy cows is generally considered optimal from an economic point of view. Recently some dairy farmers are deliberately extending the voluntary waiting period for insemination (VWP) to
Externí odkaz:
https://doaj.org/article/d502454b3c1f4870b47b641139a5bba4
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-16 (2022)
Abstract Little is known about the impact of social and environmental enrichment on improving livestock resilience, i.e. the ability to quickly recover from perturbations. We evaluated the effect of an alternative housing system (AHS) on resilience o
Externí odkaz:
https://doaj.org/article/8d46b85b458045f899fa52a9bf3a5d0c
Publikováno v:
Poultry Science, Vol 102, Iss 2, Pp 102410- (2023)
ABSTRACT: Body composition plays an important role in reproduction in broiler breeders. The aim of this study was to evaluate the dynamics in body composition and energetic efficiency in broiler breeders, using different dietary strategies. About 1,5
Externí odkaz:
https://doaj.org/article/a99a746944074da38a643f9650359223
Autor:
F. Marcato, H. van den Brand, B. Kemp, B. Engel, S.K. Schnabel, F.A. Hoorweg, M. Wolthuis-Fillerup, K. van Reenen
Publikováno v:
Journal of Dairy Science, Vol 105, Iss 2, Pp 1452-1468 (2022)
ABSTRACT: The objective of this study was to investigate effects of calf transport age (14 vs. 28 d) and calf (e.g., sex and breed) and dam characteristics (e.g., parity and ease of birth) on health and performance of veal calves until slaughter age.
Externí odkaz:
https://doaj.org/article/86bc5436ff0a448dbd9f3dbf66d5e33f
Autor:
F. Marcato, H. van den Brand, B. Kemp, B. Engel, S.K. Schnabel, C.A. Jansen, V.P.M.G. Rutten, A.P. Koets, F.A. Hoorweg, G. de Vries-Reilingh, A. Wulansari, M. Wolthuis-Fillerup, K. van Reenen
Publikováno v:
Journal of Dairy Science, Vol 105, Iss 2, Pp 1432-1451 (2022)
ABSTRACT: This study aimed to investigate effects of transport age of calves (14 vs. 28 d), and of calf and dam characteristics, on immunoglobulin titers and hematological variables of veal calves. Calves (n = 683) were transported to a veal farm at
Externí odkaz:
https://doaj.org/article/422aa231f11f43e692f35636fec59290
Publikováno v:
Poultry Science, Vol 101, Iss 11, Pp 102071- (2022)
ABSTRACT: The impact of growth curve (GC) and dietary energy-to-protein ratio of broiler breeder hens on chick quality and broiler performance was investigated. Pullets (n = 1,536) were randomly allotted to 24 pens and assigned to 1 of 8 treatments f
Externí odkaz:
https://doaj.org/article/4a14011e0983494391c4fba980a29ac7
Autor:
H.J. Wijnen, R. Molenaar, B. Kemp, I.A.M. van Roovert-Reijrink, H. van den Brand, C.W. van der Pol
Publikováno v:
Poultry Science, Vol 101, Iss 10, Pp 102088- (2022)
ABSTRACT: Early life experiences are known to be of great importance for later life. For instance, exposure to stress during early life can increase fearfulness at later age. In broilers, delayed feeding after hatch may cause metabolic stress. Beside
Externí odkaz:
https://doaj.org/article/a0260279b0b848a08dd1d17fd76d3b39