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32 results for “yolk”
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Research ArticleOpen accessIn the abstractNew Biological Dietary Feed Supplement for Laying Hens with Microelements Based on Duckweed (Lemna minor)Zuzanna Witkowska, Agnieszka Saeid, Katarzyna Chojnacka et al.In this study the applicability of enriched duckweed (Lemna minor) as a dietary supplement witch microelements is reported. In our previous studies, the technology of new feed additives with microelements based on duckweed biomass was elaborated. Here, we report the evaluation of the properties of a new product. The effect of duckweed enriched with microelements on the productivity parameters of … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 4 · 31 Jan 2013 · 8,554 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of Broiler Breeder Ages on the Qualitive and Quantitive Properties of the EggShahabodin Gharahveysi, Seyed Milad Farhadi Niaki, Mehrdad IraniBroiler breeder age is one of the most important factors that affects on egg properties. However by increasing the age of broiler breeder flock, the quality of eggs and consequently the quality of their chick products would be changed. In order to study the effect of broiler breeder flock age on the various aspects of chick products, 300 fertilizable eggs … …American Journal of Animal and Veterinary Sciences, Vol. 7, Issue 3 · 30 Aug 2012 · 7,831 accessesView PDFCite
Research ArticleOpen accessIn the abstractAltered Reproduction in Clarias gariepinus Exposed to Industrial EffluentsAdeogun Aina Olubukola, Chukwuka Azubuike VictorProblem statement: Reproductive success is a key factor in determining species survival and the unregulated discharge of industrial effluents into rivers and streams in a developing country like Nigeria, can impair reproductive ability in non-target organisms like fish. Fish, generally accumulate contaminants from their environment in their tissues and these can be transmitted through the yolk lipids to the eggs. … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 1 · 21 Feb 2012 · 7,708 accessesView PDFCite
Research ArticleOpen accessIn the abstractQuails Response to Aqueous Extract of Bush Marigold (Aspilia africana) LeafE. A. Agiang, O. O.K. Oko, G. E. Essien, Juan Eduardo Suarez RivadeneiraProblem statement: The effects of inclusion of aqueous extract of Bush marigold (Aspilia africana) leaf in quail diet were investigated. One hundred and fifty Japanese quail chicks were used in the study. Approach: In the 14-weeks feeding experiment, the birds were assigned to five treatments of; 0, 2.5, 5.0, 7.5 and 10% inclusion of aqueous extract of Bush marigold leaf. … …American Journal of Animal and Veterinary Sciences, Vol. 6, Issue 4 · 24 Jan 2012 · 9,586 accessesView PDFCite
Research ArticleOpen accessIn the abstractUtilization of Eco-Feed Containing Mugwort Microorganism Compounds as a Feed Ingredient Source for Layer HensJassada Ruttanavut, Koh-en Yamauchi, Narin ThongwittayaProblem statement: Due to price hikes in feed, several strategies should be sought to reduce feeding costs. At the same time, there has been a considerable increase in environmental pollution from food waste. If food waste could be transferred into poultry diets, this would solve a great problem, helping poultry producers to reduce feeding costs, while reducing environmental problems arising … …American Journal of Animal and Veterinary Sciences, Vol. 6, Issue 1 · 26 Apr 2011 · 8,378 accessesView PDFCite
Research ArticleOpen accessIn the abstractAdding Medicinal Herbs Including Garlic (Allium sativum) and Thyme (Thymus vulgaris) to Diet of Laying Hens and Evaluating Productive Performance and Egg Quality CharacteristicsR. Ghasemi, M. Zarei, M. TorkiProblem statement: In trying to finding phytogenic antibiotic-substitutes this study was done and effects of adding graded levels of Medicinal Herbs (MH) including garlic (Allium sativum) and thyme (Thymus vulgaris) to laying hens’ diet on productive performance investigated. Approach: A total number of 108 Lohmann LSL-Lite hens after production peak were randomly divided in 18 cages (n = 6). Three … …American Journal of Animal and Veterinary Sciences, Vol. 5, Issue 2 · 30 Jun 2010 · 18,518 accessesView PDFCite
Research ArticleOpen accessIn the abstractFormulation and Evaluation of a Selective Medium for Lactic Acid Bacteria-Validation on Some Dairy ProductsBaida Djeghri-Hocine, Messaouda Boukhemis, Abdeltif AmraneProblem statement: Lactic Acid Bacteria (LAB) is characterized by fastidious nutritional requirements leading to the need for complex and rich media to allow growth. Owing to their complex requirements which also varied significantly with species, the formulation of selective media for LAB is difficult. Approach: A culture medium for LAB was previously developed based on deproteinated whey supplemented with yeast … …American Journal of Agricultural and Biological Sciences, Vol. 5, Issue 2 · 30 Jun 2010 · 9,415 accessesView PDFCite
Research ArticleOpen accessIn the abstractOxidation of Exogenous Lactate by Lactate Dehydrogenase C in the Midpiece of Rat Epididymal Sperm is Essential for Motility and Oxidative ActivityHideaki Yamashiro, Masaaki Toyomizu, Akane Kadowaki et al.Problem statement: To identify the metabolic reaction-glycolysis or oxidative phosphorylation that is mainly involved in the production of energy required for rat sperm mobilization. Approach: Epididymal sperm were collected from Wistar rats and extended in lactate-containing or lactate-free raffinose-modified Krebs-Ringer Bicarbonate solution (mKRB)-egg yolk medium supplemented with 0, 1, 2, or 3 mM 2-Deoxy-D-Glucose (2 DG) and 1, 2, or … …American Journal of Applied Sciences, Vol. 6, Issue 10 · 31 Oct 2009 · 6,906 accessesView PDFCite
Research ArticleOpen accessIn the abstractUltrasonographic Apperance of the Gestational Structures Throughout Pregnancy in BitchesA. Aissi, C. SlimaniUltrasonographic examinations of 10 pregnant bitches with known breeding dates were made on successive days to establish the identifiable characteristics of pregnancy. Subsequent serial examinations were made to sonographically characterize normal canine prenatal development based about the first mating. The initial detection of the fetal and extra-fetal structures were as follows: gestational sac at day 17.88±1.13 (16-21); zonary placenta in … …American Journal of Animal and Veterinary Sciences, Vol. 3, Issue 1 · 31 Mar 2008 · 7,230 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Dietary Humic Preparations on the Content of Trace Elements in Hens' EggsZbigniew Dobrzanski, Henryk Gorecki, Katarzyna Chojnacka et al.Mineral-humic preparations Humokarbowit (HKW) and Humobentofet (HBF) were used in feeding of reproductive laying hens Lohmann Brown. The effect of these preparations on microelement composition of eggs was investigated. The content of microelements in hens diet, egg albumen and eggshell was determined by ICP-MS technique and relative bioaccumulation coefficient (RBC) was evaluated. The humic preparations significantly increased selenium and decreased … …American Journal of Agricultural and Biological Sciences, Vol. 2, Issue 4 · 31 Dec 2007 · 7,956 accessesView PDFCite