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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.
DESCRIPTION OF PROBLEM The main interests of animal nutritionists are in biology, not econometrics. As a result, the economic interpretation of feeding practices has practically been ignored in animal nutrition texts and in teaching programs. The development and implementation of easy, customized software models should facilitate the teaching of (and increase interest in) the economic ramifications of choices in animal nutrition and...
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Hormones usage in the poultry production is a trending topic these days. The people that are not related to the poultry industry directly, including medical professionals, media personals and others are not only suffering from a severe misconception regarding the topic, but are also spreading certain health related threatening rumors to the general public. Concern of common household consumers of chicken meat in relation to the...
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Introduction
Gut health has a great influence on the growth performance and welfare of poultry, as it affects feed digestion, nutrient absorption, protein and energy utilization, immunity and disease resistance, metabolism, and physiology. Indeed, gut health may be of greatest concern among poultry producers because of its impact on economic sustainability, and their customers´ concern about food safety and traceability. ...
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Since soybean lincomycin base is costlier than rice hull base lincomysin feed premix, what are the advantages of preferring soybean base feed premix over rice hull base premix? ...
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1. Introduction Poland has the third-largest number of laying hens in the European Union, with over 48.5 million of the birds in 2018 and 649 thousand tonnes of eggs (sixth place) produced in 2019 [1]. Such intensive poultry production carries with it an environmental impact associated with emissions of ammonia (NH 3 ) and volatile organic compounds (VOCs). Those gaseous emissions are of concern to workers, local communities, birds and the environment. Additionally,...
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The effect of sex and age on the changes in cholesterol and lipid levels in plasma of broiler chick´s blood fattened to high live weights was studied in this experiment. 200 broiler chicks (120 males) and 80 females) of hybrid combination ROSS I fattened on starter BR1 from one day old to 26 days and on BR2-IT from 27 days to 9 weeks for females and to 16 weeks for males . 10 males and 10 females were...
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Enhancing Egg Production: Key Factors Influencing Chicken Health and Yield
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There is a strong link between the stress and immune response of the birds. This article takes the learnings from the breakthrough work of research done by Selye in 1936 and Faber in 1964. Selye is the first scientist to give a scientific explanation for biological stress through General Adaptation Syndrome (GAS) model. Faber has reviewed more than 100 research articles to check the relevance of GAS model in Poultry science. ...
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Is resistant starch in newly harvested corn bad for broiler feeding? I have heard that waiting at least 3 to 4 weeks will help the resistant starch being broken down, so that the newly harvested corn won't affect broilers as much. Do you completely use newly harvested corn or mix new with old corn? Thanks. ...
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DESCRIPTION OF PROBLEM Near-infrared reflectance spectroscopy (NIRS) is a rapid analysis method that enables a multipurpose analyzer to be calibrated to predict nutritional component values after analyzing the reflectance of a feed ingredient in the near-infrared spectrum. The reliability of a NIRS prediction for a nutritional component depends on the accuracy of the determined wet chemistry laboratory values used to make the initial NIRS prediction equation. As reviewed...
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Introduction South African broiler production systems vary from rudimentary subsistence farming to simplistic open house systems to highly technologically advanced integrated businesses that are world competitive. The primary genetic stock is Cobb 500 and Ross 308, however, Arbor Acres, Hubbard and Hybro are also present. In South Africa, poultry meat consumption is predominantly chicken with a fractional consumption of turkey meat...
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1. Introduction Ancestors of modern poultry lived in social groups of 20 to 30 chickens. In current non-cage systems, the flock sizes are much larger. Laying hens are not able to remember or recognize all flock mates in such systems and there is complete absence of social hierarchy [1]. This results in feather pecking, which is one of the greatest challenges in commercial laying hen husbandry [2]. At present, non-cage systems are prevalent in Europe and North America....
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Mycotoxin Testing in the Feed Chain: A Risk Prevention Strategy for Raw Material Suppliers, Grain Storage Facilities and Processors, and Feed Manufacturers
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This trial was done to determine broiler live performance to 42 days, under a hot climate in India. 2080 VenCobb 400 broilers were allocated in 4 groups with 26 birds per floor pen and 20 replicates per group: negative control group (NC), positive control group (PC), direct-fed microbial group (DFM) at Log 5 CFU/g of feed and Bacitracine group (BMD) at 500 g/T of feed. The DFM product was composed with 3 species of sporulated Bacillus: Bacillus amyloliquefaciens, bacillus...
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Trypsin inhibitors (TI) and urease activity (UA) are the two most relevant quality measurements for soybean products as feed ingredients for animals. TI were reported to be correlated with UA, so feed processing plants use UA as an indicator of TI in soybean meal (SBM). The objectives of this study were to determine the levels of TI and UA in 414 SBM samples from 19 different countries in 5 world areas, and to validate whether TI and UA are correlated. TI in solvent-extracted SBM were 2-6...
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Respected Srs, greetings. I have high water PH in my farm and I used citric acid as acidifier to reduce the PH .Has the acidified water by citric acid any effect on live vaccine that sometimes I used . ...
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Introduction The rising utilization of environmentally friendly processes in closing the feed resource supply gap and also in addressing the competitiveness in the supply of conventional feeds in the Nigerian poultry industry has remained a major focus of research (Ari et al.,2016). Melon Husk and Rumen liquor are common environmental nuisances especially in the North Central States of Nigeria where there is high production of melon and number of abattoirs and slaughter slaps....
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Chicken meat production is more sustainable and has lower environmental impact than porcine and bovine meat production. Chicken production uses less feed consumed for each kilogram of meat produced and uses less land and water for both farming and feed production (Flachowsky et al., 2017). Moreover, the broiler production industry has, for many years, continuously improved animal performance, reflected by ever decreasing feed conversion (kg feed consumed per kg body weight) and reduced time...
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1.Background The impact on the environment, welfare issues, as well as the economic implications are challenging globally the modern livestock production. Employment of new nutritional strategies to limit the impact of the livestock production on the environment, have become an important task. Optimization in the feed formulation lowering the crude protein content, for the so-called N-reduced feeding, is one of the best possible nutritional strategies for environment...
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Interesting facts The presence of fat in the diet inhibits the synthesis of fat from carbohydrates. The final composition of body fat is a pondered average among the fat produced endogenously from glucose, the quantity and composition of the fatty acids in the diet and the fat resulting from catabolism through b-oxidation (Ajuyah et al., 1991; Ferreira, 1999, Sanz et al., 2000b). Female broiler chickens tend to deposit more fat than male broiler chickens....
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True that pellet should be hard enough to sustain handling process up to feeding. At the same time, too hard pellet may be not preferred by birds. Can anyone suggest the specification for good quality pellets for chicken? ...
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