نتایج جستجو برای: chicken feather
تعداد نتایج: 40598 فیلتر نتایج به سال:
Avian integumentary organs include feathers, scales, claws, and beaks. They cover the body surface and play various functions to help adapt birds to diverse environments. These keratinized structures are mainly composed of corneous materials made of α-keratins, which exist in all vertebrates, and β-keratins, which only exist in birds and reptiles. Here, members of the keratin gene families were...
Feed industries are seeking new ways to cope with increased raw material costs, and one approach is to apply enzymatic treatment in the production of feed ingredients from animal by-products. Keratinases, a group of proteases, are capable of hydrolyzing keratin-rich material and have been applied in the production of cost-effective feather by-products for use as feed and fertilizers. The curren...
Skin appendage formation represents a process of regulated new growth. Bromodeoxyuridine labeling of developing chicken skin demonstrated the presence of localized growth zones, which first promote appendage formation and then move within each appendage to produce specific shapes. Initially, cells proliferate all over the presumptive skin. During the placode stage they are organized to form per...
AIM The red jungle fowl is generally considered as one of the endangered Asian wild Galleopheasants due to man-made encroachment of their habitats, coupled with the effect of disease and disease causing organisms like ticks and tick-borne infections. This study aimed to determine the tick fauna of the red jungle fowl and their predilection sites based on developmental stages. MATERIALS AND ME...
SUMMARYTukong is the rumpless indigenous chicken breed of Indonesia. Its features must be described as basis for their preservation and improvement. The current understanding Tukong, including its origin, exterior traits, production indicators, presented in this review. As a result, feather colour varies from greenish-black, reddish-black, bluish-black, brown, white, with red pea-shaped comb. T...
Abstract Poultry industry is expanding rapidly and producing million tons of feather waste annually. Massive production keratinaceous byproducts in the form industrial wastes throughout world necessitates its justified utilization. Chemical treatment keratin proclaimed as an eco-destructive approach by various researchers since it generates secondary pollutants. Keratinase released a variety mi...
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