Results 61 to 70 of about 1,111,424 (239)
Effect of Genetically Modified Organisms Feed Ingredients (Corn And Soybean) in Diet on Egg Production, Egg Broken Rate and Egg Quality in Layers [PDF]
Brazilian Journal of Poultry Science, 2023 This study was conducted to examine the effect of feeding genetically modified organisms (GMO) compared with non - GMO diet on performance of layers in terms of egg production, egg broken rate and egg quality in laying hen.
MM Hossain +4 more
doaj +1 more source
Effects of Dietary Corticosterone on Yolk Colors and Eggshell Quality in Laying Hens [PDF]
Asian-Australasian Journal of Animal Sciences, 2015 The objective of this study was to investigate the effects of dietary corticosterone on egg quality. For 2 weeks hens received either control or experimental diet containing corticosterone at 30 mg/kg diet. Feed intake and egg production were monitored daily, and body weight measured weekly.
Kim, Yeon-Hwa +3 more
openaire +4 more sources
The effect of breed and age on the gloss of chicken eggshells
Poultry Science, 2020 The monitoring of eggshell quality is important mainly in terms of production economy. Eggshell appearance is one of the most characteristics, influencing the purchasing behavior of consumers.
Quanlin Li +7 more
doaj +1 more source
Calcium carbonate nanoparticles of quail’s egg shells: Synthesis and characterizations
Journal of the Mechanical Behavior of Materials, 2022 Avian eggshell is a natural biomaterial that has been used as an alternative natural source of CaCO3 and is accessible in big amounts from egg manufacturing.
Ahmed Naziha Sultan +5 more
doaj +1 more source
Effects of amylin on egg quality traits of hens during the early laying period [PDF]
Revista Brasileira de Zootecnia, 2023 This study was conducted to investigate the effects of amylin, a pancreatic hormone polypeptide, on egg quality traits in laying hens. A total of 40 birds (14 wk of age) were randomly divided into two treatments with two replicates, 10 birds in each ...
Saime Guzel
doaj +1 more source
Ancient origin and maternal inheritance of blue cuckoo eggs [PDF]
, 2016 Maternal inheritance via the female-specific W chromosome was long ago proposed as a potential solution to the evolutionary enigma of co-existing host-specific races (or 'gentes') in avian brood parasites.
Ekrem, Torbjørn +10 more
core +3 more sources
Potential of Orange Peel Ash as a Cement Replacement Material [PDF]
, 2019 The potential of Orange peel ash (OPA) as a cement replacement material was investigated with focus on the effect of OPA content on the physicomechnical properties such as consistency, setting times, soundness, compressive and flexural strengths of OPA ...
Abdullahi, Basiru +2 more
core +2 more sources
Changes in Brown Eggshell Color As the Hen Ages
Poultry Science, 2007 The color of eggshells from eggs laid by commercial-type Hy-Line brown hens 25 wk of age was studied over a period of 10 mo. Color measurements were made by a color machine vision system and were analyzed using a mixed model to calculate between and within hen variances and to investigate the effect of time on shell color.
A Z, Odabaşi +3 more
openaire +2 more sources
Eggshell spottiness reflects maternally transferred antibodies in blue tits. [PDF]
PLoS ONE, 2012 Blue-green and brown-spotted eggshells in birds have been proposed as sexual signals of female physiological condition and egg quality, reflecting maternal investment in the egg. Testing this hypothesis requires linking eggshell coloration to egg content,
Marie-Jeanne Holveck +6 more
doaj +1 more source
Inheritance of Tinted Eggshell Colors in White-Shell Stocks
Poultry Science, 1992 The present study was conducted to study the genetics of tinted eggshell colors in two breeds of chickens laying white-shell eggs. Reciprocal crosses were made between an inbred White Leghorn line (ES) and an inbred Ancona line (ANC). The F1 birds were intercrossed and F1 females were backcrossed to each of the original lines.
R, Wei, J J, Bitgood, M R, Dentine
openaire +2 more sources