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Poultry nutrition - Other additives
Alternative feed additives have promising importance in broiler production due to the ban on the use of certain antibiotics. The most used antibiotic alternatives in broiler production are phytogenics, organic acids, prebiotics, probiotics, enzymes, and their derivatives. Antibiotic alternatives have been reported to increase feed intake, stimulate digestion, improve feed efficiency, increase growth performance, and reduce the incidence of diseases by modulating the intestinal microbiota and immune system, inhibiting pathogens, and improving intestinal integrity. Simply, the gut microbiota is the target to raise the health benefits and growth-promoting effects of feed additives on broilers. Therefore, naturally available feed additives are promising antibiotic alternatives for broilers.
Introduction High cost of conventional ingredients such as maize as source of energy, soybean, groundnut cake and fish meal as source of protein in broiler’s diet has increased the cost of feed and consequently increased cost of production (Attia, 2015). The cost of feed represents about 75% of the total costs of animal production. Also, non-availability and competition existing among man, industry and livestock have necessitated the need to find cheap and available...
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I want to discuss the importance of organic acids in feeds ...
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Speculation over the Provisional Ruling on Anti-dumping Duties of Lysine by the EU Against China
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Brett Roosendaal (Nutrition Executive at Epol) shares his insights on quality control methods and indicators of soybean, as well as market prices and inclusion rates, during this Engormix interview....
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Optimal soybean (SB) processing conditions is essential to ensure that antinutritional factors as trypsin inhibitors are deactivated while maintaining protein solubility and dispersibility. Heat processing is critical for improving amino acid digestibility of extruded SB for broilers. Excessive heat treatment can lead to denaturation of proteins, resulting in a negative impact on animal performance and microbiota composition. In this study, we investigated the effect of three different...
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Nutritionists have access to various ingredients that fulfill methionine (Met) requirements of broilers. Amino acids (AA), such as DL-methionine, are nearly 100% bioavailable while methionine hydroxy analogs are shown to be relatively less bioavailable. Thus, this experiment aimed to determine the efficacy of using a 65% DL-methionine and 35% limestone dilution product (65DLM) compared to a methionine hydroxy analog (MHA) product when included in a diet deficient in total sulfur AA. A...
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Producers are concerned about the economic impact of dietary energy costs in broiler production, as feed expenses amount to nearly 50% of the total costs. As such, reducing dietary energy costs while improving the feed conversion ratio (FCR) has been a focus of poultry producers for many ...
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Arabinoxylans (AX), a non-starch polysaccharide (NSP) and poorly digestible plant cell wall component, is by far the most important anti-nutritional factor in raw materials such as wheat and corn. Due to its abundance, location in the plant material and molecular structure, AX reduces feed digestibility considerably. Firstly, water-soluble AX will increase the viscosity of the digesta in the lumen, making digestion and absorption of nutrients extremely difficult. Also, unfavorable...
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Dr. Ana Maria Villegas, Technical Services Manager for Gut Health Solutions at Evonik, discusses optimal processing conditions for soybean and its effects on gut health, during this Engormix interview....
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Effects of methionine supplement sources and crude protein on broiler performance
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Fernanda Castro, Technical Service Manager at Evonik, talked about the importance of methionine sources and crude protein on broilers diets, during this Engormix interview....
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Hear what Dr. Steve Leeson has to say about how feed additives can support gut health...
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The dynamic complexity of the developing embryo requires the maintenance of differentiated compartments with the capacity to maintain independent environments required to optimise their function. One of the least understood homeostatic mechanisms in embryonic development relates to the pH. The albumen’s pH at lay experiences a sharp increase to 9.7 which later decreases to 6.90 by day 17 (Tona et al., 2001). In contrast, the pH of yolk starts with a relatively low 6.67 at lay and...
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The aim of this study was to evaluate the impact of feeding xylo-oligosaccharides (XOS), xylanase (XYL) and fermentable fibre, in the form of wheat bran (WB), on egg quality. It is theorised that WB stimulates and trains the microbiota in the hindgut to hydrolyse and ferment dietary xylan, and XOS and XYL may further upregulate xylan fermentation pathways, resulting in improved nutrient utilisation and thus egg quality. Isa Brown hens (n = 96 hens) were obtained at peak lay (39 weeks of age)...
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Travis Schaal talks about the importance of biosecurity to prevent avian influenza outbreaks
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Dr. Zeyang Li (Global consulting expert, Specialty Nutrition at Evonik) talks about the importance of this amino acid in the formulation of a broiler diet, as well as the advantages of using DL-Methionine, during this Engormix interview...
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I Introduction The development of reduced-crude protein (CP) diets for broiler chickens holds several potential advantages including reduced dependency on imported soybean meal by the Australian chicken-meat industry. Typically, reduced-CP diets contain less soybean meal but more feed grain (and starch) and more synthetic/crystalline amino acids. However, reducing dietary CP from 200 to 150 g/kg in isoenergetic diets has been shown to depress body weight gain, impair food conversion...
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In this episode of Let's Squawk About It, Frank Ivey (Feed2Gain, LLC) talks to Andy Vance (PSA Executive Director) about a type of model used to determine matrix values, and how this model helps understand the impacts of feed changes before they are implemented....
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Professor Ian Godwin’s invited presentation focused on the use of gene editing and genetic modification techniques to improve the protein content and digestibility of sorghum for use in poultry feed. Sorghum is used to produce a range of human food and beverages and is the main summer grain produced in Australia. Sorghum copes well with the unpredictable Australian climate (heat, droughts, floods). Cereals make up more than 60% of poultry feed and sorghum is an excellent feed...
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This study was to investigate the effects of Ganoderma lucidum fermented products (GLFP) on the growth performances, carcass characteristics, and immune response of Native chickens. This article focuses on the morphology of the duodenal villus by the Ganoderma lucidum fermented products (GLFP). A total of three hundred and twelve day-old Native chickens were randomly grouped with equal sex in four groups for three replicates as following treatments: (1) basal diet...
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Conclusion To optimise oxidative status in broilers under challenging environmental circumstances, high levels of antioxidants are required to counteract the negative effects of reactive oxygen species. The addition of either 15 mg/kg vitamin E or 15 mg/kg Selko AOmix to broiler diets containing 10 mg/kg vitamin E diminished an increase in plasma malondialdehyde (MDA) levels (a marker for oxidative status) that may occur in animals in conditions where heat challenge is expected....
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Speculation over the Provisional Ruling on Anti-dumping Duties of Lysine by the EU Against China
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I. INTRODUCTION Forecasting is fraught with difficulties associated with poor data and unknown unknowns. Fortunately, in the case of laying hens, this is not true. We have an excellent history of how our birds have improved over the past decade (Table 1), and a fair idea of what can be expected in future breeding programmes used by the primary breeding companies. Our understanding is that the requirements for energy and protein per unit of output have remained unchanged and that...
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The world is currently experiencing a high cost soybean meal environment, driven by multiple factors including supply-demand disruption due to ongoing transportation congestion, escalating input prices such as fertilizer, as well as supply-demand imbalances due to geopolitical conflicts. Together these factors have pushed soybean meal prices to levels not seen in many years (See Part I). This price pressure has led many feed producers to evaluate the use of non-traditional soybean products...
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Evaluation of methionine sources on performance and carcass traits of broilers at different dietary sulfur amino acid levels under northern European and middle Eastern conditions
On cherche des distributeurs dans plusieurs pays d’Afrique comme le Kenya, l’Ethiopie, la Tanzanie, le Congo, etc
