Aim of the present study was the comparative evaluation of the effect of ground oregano, anise and olive leaves as feed additives on performance and some egg quality characteristics of laying Japanese quails. A total of 189 Coturnix japonica quails (126 females and 63 males), 149 days old, were randomly allocated into seven equal groups with three subgroups of 9 birds each (6 females and 3 male...

The purpose of this study was to determine the dietary effects fruit pulps (dried tomato, apple and grape) on performance egg quality characteristics laying hens. In trial, 196 Lohmann sandy layers 25 weeks age were distributed into four groups with seven replicates for 9 weeks. Trial fed following diets, control group basal diet (no additive), 4 % dried tomato pulp, 4% pulp 2.5% grape pulp. Fe...

Manufactured egg powders can be formulated to produce food products that vary in their properties. The present study aims determine the effect of white content on physicochemical characteristics and functionality nutritional value dried whole (WE), (W), an yolk/white mixture a 1:3 ratio (M1:3). These fresh were spray-dried using sucrose—an agent recognized for its protecting protein during dryi...

background: improvement of hatchability in aging broilerbreeder has economic justification. objectives: the main objective ofthis study was to determine the effect of dietary anethum graveolensessential oil on egg quality, some plasma metabolites and hatchability inbroiler breeder hens. methods: a total number of eighty hens and eightcocks from ross 308 strain of 105 weeks old were divided into...

Natural and chemical colorants are attracting a lot of attention as sustainable feed additives due to their effect on food color because presentation matters consumers. Color also is major sensory factor that helps consumers determine quality its possible health benefits. For example, highly colored egg yolks can only come from healthy laying hens fed well-balanced, nutrient-rich diet. Consumer...

OBJECTIVE This experiment investigated the effects of dietary supplementation with conjugated linoleic acid (CLA) on the serum components, laying hen productivity, lipid composition of egg yolk, egg flavor and egg quality. METHODS Healthy 28-week-old Hy-Line white laying hens (n = 480) were divided randomly into 4 groups, 6 replicates/group, 20 birds/replicate. The 30-day experimental diets i...

The objective of this study was to determine the effects of diet supplemented with marigold on egg yolk fatty acid composition and egg quality parameters. Sixty hens were assigned into three groups and fed diets supplemented with 0 (control), 10 g kg(-1), or 20 g kg(-1) marigold for 42 days. Eggs collected at the 6th week of the study were analyzed for fatty acid analysis. Laying performance, e...

Carotenoids offer animals many nutritional, health, and reproductive benefits. When in high supply, carotenoids can boost antioxidant protection and immune strength as well as stimulate egg production and enrich the color of sexual ornaments like feathers. Certain reproductive investments, however, often come at the cost of others; for example, the production of many offspring may compromise th...