Results 31 to 40 of about 637,180 (345)
Poultry Science, 2019 This experiment was conducted to evaluate the effects of dietary supplementation with Clostridium butyricum on laying performance, egg quality, serum parameters, and cecal microflora of laying hens in the late phase of production.
H. Zhan +5 more
semanticscholar +1 more source
, 2016 Laying the Foundation: Digital Humanities in Academic Libraries examines the library’s role in the development, implementation, and instruction of successful digital humanities projects. It pays special attention to the critical role of librarians in building sustainable programs.
White W., John, Gilbert, Heather
openaire +4 more sources
Effects of dietary fiber on performance and egg quality of laying hens at pre-laying and laying peak
Acta Scientiarum: Animal Sciences, 2022 This study aimed to evaluate the effects of different levels of dietary fiber on the performance and egg quality of laying hens at pre-laying and laying peak periods.
Pedro Gabriel Carneiro de Andrade +5 more
doaj +1 more source
Poultry Science, 2019 The aim of this study was to investigate the effect of keel bone fracture (KBF) severity and healing activity on individual productivity of laying hens. Focal hens (75 Lohmann Selected Leghorn (LSL), 75 Lohmann Brown (LB)) were housed alongside non‐focal
C. Rufener +3 more
semanticscholar +1 more source
DYNAMICS OF SOME BASIC BLOOD INDICES IN GUINEA FOWL (N. MELEAGRIS) DEPENDING ON THE EGG LAYING PERIOD [PDF]
Trakia Journal of Sciences, 2019 A monitoring study of some main blood parameters of a flock of free-range guinea fowls has been conducted. The following results (depending on sex and laying intensity) have been established: hemoglobin content – between 145.8 (males - before peak of ...
D. Penkov, A. Arnaudov, M. Nikolova
doaj +1 more source
PLoS Genetics, 2019 Neurons typically release both a small-molecule neurotransmitter and one or more neuropeptides, but how these two types of signal from the same neuron might act together remains largely obscure.
Jacob C Brewer +3 more
semanticscholar +1 more source
A meta-analysis on the relationship between goose age and egg weight
Journal of Applied Poultry Research, 2021 SUMMARY: Although many studies have attempted to determine the effect of goose age on egg weight, the relationship remains unclear. We conducted a meta-analysis of the relevant literature in an attempt to provide clarity on this question.
G. Liu, X. Zhao, Z. Chen, Z. Guo
doaj
Lipid Sources in Diets for Hy-Line White Laying: Performance, Biometrics of Digestive Organs, and Bone Characteristics [PDF]
Brazilian Journal of Poultry ScienceDietary inclusion of lipid sources has been one of the methods adopted by nutritionists aiming at better energy balancing. However, alternative energy feedstuffs have been sought in an attempt to reduce production costs.
CP Moura +6 more
doaj +2 more sources
EGG PRODUCTIVITY OF EGFP-TRANSGENIC DUCKS
Тваринництво та технології харчових продуктів, 2019 The results of the analysis of egg production of two generations transgenic ducks (TD) by EGFP gene are presented in the article. TD were obtained by transferring foreign DNA using sperm (SMGT).
P. V. KOROL +4 more
doaj +1 more source
The Influence of Keel Bone Damage on Welfare of Laying Hens
Frontiers in Veterinary Science, 2018 This article reviews current knowledge about welfare implications of keel bone damage in laying hens. As an initial part, we shortly describe the different conditions and present major risk factors as well as findings on the prevalence of the conditions.
A. Riber, T. Casey-Trott, M. Herskin
semanticscholar +1 more source