24 articles for “feed additives”

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Research ArticleOpen accessPhrase in the titleThe Effect of Bacterial Enzyme-Based Feed Additives on the Productivity, Digestibility and Assimilation of Nutrients in Young Laying HensSmolentsev Sergei Yur’evich, Rudakova Natalia Leonidovna, Koryagina Anastasia Olegovna et al.The work aimed to study the effect of feed additives based on proteinase and phytase on the productivity, digestibility of nutrients and the development of laying hens up to 18 weeks of age. A total of 360 1-day-old Hisex Brown chickens were assigned to a completely randomized design composed of 3 diets with 4 replicates of 30 birds each. Dietary … …OnLine Journal of Biological Sciences, Vol. 20, Issue 4 · 19 Nov 2020 · 6,297 accessesView PDF Cite

Research ArticleOpen accessPhrase in the titleThe Possibilities of the Application of Feed Additives from Macroalgae in Sustainable Mineral Animal FeedingIzabela Michalak, Katarzyna Chojnacka, Peter GlavičProblem statement: The idea of the application of biological material as mineral feed additives could constitute an innovative practice that would encourage environmental sustainability. The main idea of this study was to present the advantages of macroalgae enriched with microelements when compared to inorganic salts. Approach: In order to evaluate the potential participation of macroalgae in sustainable animal feeding, it … …American Journal of Applied Sciences, Vol. 6, Issue 8 · 31 Aug 2009 · 7,788 accessesView PDF Cite

Research ArticleOpen accessPhrase in the titleSustainable Production Process of Biological Mineral Feed AdditivesAgnieszka Zielińska, Katarzyna Chojnacka, Marjana SimoničProblem statement: This study discussed the problem of accumulation of Zn and Cu in the topsoil as a result of application of mineral feed additives that possess low bioavailability in animal diet. The review considered the production process of mineral feed additives in which a product supplies microelements in highly bioavailable form. Enrichment of natural biomass of edible microalgae with … …American Journal of Applied Sciences, Vol. 6, Issue 6 · 30 Jun 2009 · 6,946 accessesView PDF Cite

Research ArticleOpen accessPhrase in the titleEffect of Feed Additives on the Development of Proteolytic Enzymes of the Tropical Sport Fish Malaysian Mahseer (Tor tambroides-Bleeker) FryK.C.A. Jalal, M. A. Ambak, M.A.B. Abol et al.Tor tambroides fry with a mean of 8.0±0.72 mm standard length (SL) and weighing (W) 0.06±0.01g were stocked at the rate of fifty (50) individuals in each of the fifteen 150l rectangular fibre glass tanks for a period of 5 weeks. The development of proteolytic enzymes (Trypsin and Chymotrypsin) was studied during these feeding treatments. 45% protein diet without additives … …American Journal of Biochemistry and Biotechnology, Vol. 1, Issue 3 · 30 Sep 2005 · 6,999 accessesView PDF Cite

Research ArticleOpen accessPhrase in the titleImpact of Dietary Feed Additives on Productivity in Broiler ChickensGaukhar Moldakhmetova, Zhanar Kussainova, Shohkan Alpeisov et al.Proper feeding is a key aspect of poultry farming; a balanced diet supports flock health, prevents infectious diseases, and enhances product quality. A relevant issue in poultry farming is the use of various probiotics and feed additives that positively impact gut health and its microbiota, which in turn promotes the growth and development of birds. In a scientific-farm experiment, the … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 3 · 4 Dec 2025 · 2,937 accessesView PDF Cite

Research ArticleOpen accessPhrase in the titleEffect of Protein Feed Additives on Skin and Fur Quality of American MinkPavel Nikolayevich Abramov, Olga Fedorovna Chernova, Nikolai Aleksandrovich Balakirev et al.The purpose of the research is to study the effect of hydrolysates on the skin and fur quality. To assess morphological parameters of skin, as well as the commercial characteristics of the raw materials obtained, we formed three groups (one control and two experimental) of 3-month-old males (25 animals in each group) and females (50 animals in each group). Control … …American Journal of Animal and Veterinary Sciences, Vol. 17, Issue 1 · 5 Feb 2022 · 6,507 accessesView PDF Cite

Research ArticleOpen accessPhrase in the titleEffect of Probiotic Feed Additives on Honeybee Colonies OverwinteringGalina Mishukovskaya, Marat Giniyatullin, Varis Tuktarov et al.The paper presents the study on the effect of two types of probiotic feed additives of different composition on the quality of honeybee colonies during wintering. Feed additive called SpasiPchel contains 2 strains of bacteria Bacillus subtilis anfeed additive PcheloNormosil contains Lactobacillus and Bifidobacterium strains and arabinogalactan (prebiotic isolated from Siberian larch needles). If honeybees received Spasipchel and Pchelonormosil during … …American Journal of Animal and Veterinary Sciences, Vol. 15, Issue 4 · 18 Nov 2020 · 6,990 accessesView PDF Cite

Research ArticleOpen accessPhrase in the titleInfluences of Feed Additives on in vitro Volatile Fatty Acid ProductionA. V. Duncan, A. Woldeghebriel, C. Privott et al.This study investigated effects of the feed additives nitrate and fumarate alone or in combination on in vitro Volatile Fatty Acid (VFA) production. Rumen fluid was collected from Holstein-Friesian cattle averaging 650 kg in BW (body weight) offered 11.4 kg d-1 per animal of concentrate diet containing equal amounts of soybean meal, whole cottonseed and ground corn once a day … …American Journal of Animal and Veterinary Sciences, Vol. 10, Issue 1 · 30 Dec 2014 · 7,227 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsNew 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 · 8,549 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsIsoquinoline Alkaloids and the Ionophore Monensin Supplemented Alone or Combined on Ruminal Fermentation and Nutrient Digestibility in Steers Fed a High-Energy DietJesús D. Urías-Estrada, Beatriz I. Castro-Pérez, Alfredo Estrada-Angulo et al.The aim of this experiment was to investigate the Influence of Alkaloids (IQA) and sodium Monensin (MON) supplementation on characteristics of ruminal fermentation, microbial protein synthesis and site and extend of digestion. For this, 4 cannulated steers were used in a 4×4 Latin square design. Treatments consisted of a high-energy basal diet supplemented with: (1) No additive (Control), (2) 15 … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 3 · 7 Oct 2021 · 6,580 accessesView PDF Cite