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Introduction Over the years, nutritionists have studied several ways to determine the ideal dietary supply of essential amino acids to optimize poultry performance. However, considering only performance objectives without taking into account economic factors may not reflect maximum profitability, since optimizing performance is not always viable (Pack et al., 2003). An economic approach to determine amino acid supply by minimizing feeding costs and maximizing revenues was...
Introduction In recent years, there has been increasing concern over the indiscriminate use of antibiotics in livestock production due to the possible emergence of multi-drug resistance, dangers of environmental pollution and toxic residue in animal products (Diarra and Malouin, 2014; Alagbe, 2019). Consumption of animal products (meat, milk and eggs) with residues of antibiotics can actually have a negative impact on human health (Oluwafemi et al., 2021). Plants produce primary...
INTRODUCTION The global production of chicken eggs is constantly increasing, e.g., 37.4 million tons of chicken-eggs were produced in 1990, and 80 million tons in 2018. The WHO has estimated that production will have to increase four-fold to meet the global demand for chicken eggs in the next two decades (1, 2). Hence, the poultry industry must be increasingly efficient despite being one of the most efficient and technologically advanced animal production activities...
Bird performs well within a certain range of environmental temperatures. As the temperature gets higher than the range, the bird falls on stress generally called heat stress. Heat stress is the most significant stressors influencing poultry productivity and causing considerable economic losses in the poultry industry. This induces several negative effects on physiological response of bird. Reducing feed consumption, body weight gain, feed efficiency, egg production and immune response are of...
1. Introduction The conversion of dietary protein and amino acids into the protein of chicken-meat is indeed a dynamic process. Quite typically, broiler chickens attain a live weight of 2.918 kg at 42 days post-hatch and a carcass weight of 2.151 kg following processing. This translates to 376 g of carcass protein as a Ross 308 broiler carcass contains 175 g/kg protein [1]. Broiler chickens consume 4.702 kg of feed over 42 days with dietary protein contents declining from 230 to...
VICAM’s Afla-V™ ONE answers one of today’s toughest animal feed safety challenges with a simple, full range aflatoxin test that delivers quantitative results in just minutes for complete animal feeds and pet foods....
INTRODUCTION Currently, there is a major concern in the society with the use of antimicrobial agents in livestock feed, and such chemicals can be added to the feed as either therapeutic agents or performance enhancers. As enhancers, lower antimicrobial doses are used for longer periods, which can potentiate selection of resistant bacteria (Baurhoo et al., 2009). For this reason, a great pressure has been exerted by the society to reduce the use of antimicrobials in the...
Dr. Piotr Stanislawski shares his advice with Engormix members regarding a profitable and effective choice of poultry feed additives....
Dr. Piotr Stanislawski shares his experience with Engormix members on usual mistakes that he has encountered throughout his career....
Dr. Piotr Stanislawski shares with Engormix members his thoughts on the benefits of using butyrates in poultry nutrition....
INTRODUCTION Cereal grains such as wheat, sorghum, barley, and corn are commonly used in poultry diets as major sources of energy. Knowledge of the ME content of cereal grains is critical for their efficient and sustainable use and precise poultry feed formulation. Despite several limitations (Mateos et al., 2019; Wu et al., 2020), the AME is the globally accepted system for describing the available energy for poultry (Hill and Anderson, 1958; Sibbald, 1982). The simplicity,...
INTRODUCTION Aiming at reducing production costs and the impacts of animal production waste on the environment, research has focused on improving the efficiency of feed utilization.One strategy to reduce the excretion of pollutant compounds is to increase the nutritional availability of feeds by the dietary supplementation of exogenous enzymes (Nahm, 2002). Phytase, for instance, allows reducing inorganic phosphorus supplementation and increasing phytic acid utilization by the...
Dr. Piotr Stanislawski shares his comments with Engormix members regarding the calculation of phosphorus and calcium, as well as other formulation issues....
1. Introduction Often a seemingly straightforward aspect of nutrition reveals itself to be, upon closer inspection, not so simple after all. An illustration of such a conundrum is the nutrition of the newly hatched broiler chick. Conceptualizing the different challenges faced by the hatchling and solving them should be remarkably simple, but the difficulty lies in the complexity in the development of the gastrointestinal tract (GIT), digestive physiology, immune system, and...
1. Introduction Available energy in feed or feed ingredients for poultry can be measured by different systems, with the apparent metabolizable energy (AME) [1], despite its limitations [2,3], being the commonly accepted and extensively used system. Three methods, namely, direct, substitution (or difference), and regression, have been used to determine the AME of ingredients for poultry. In each method, the excreta can be collected by total collection, which is the...
INTRODUCTION Although rearing the meat poultry in cage systems has recently attracted a lot of attention, however, some of the meat poultry stocks particularly broiler chicken still grow up on the floor of the poultry houses with a substrate known as litter material as poultry bedding. The recent trend in poultry industry has increased the demand for litter materials. Litter serves a number of important functions, such as absorbing moisture of excreta, reducing contact between...
Dr. Stephen Adejoro (Livestock Industry Foundation for Africa) shares with Engormix members his thoughts on how to prevent an outbreak in developing countries....
Dr. Piotr Stanislawski shares his experience with Engormix members on supplementation through feed or water, when and why do one or the other....
Though paper evaporative cooling pads have been used by poultry producers for decades, plastic pads are a relative new phenomenon. As with any new product, there are a lot of questions. By far the most common question is whether plastic pads can produce the same level of air cooling as traditional paper pads. In short, the answer is yes. But just...