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INTRODUCTION The domestic chicken has been an essential animal model and constitutes a remarkable source of high-quality protein for humans (Stern, 2005). Within the last 60 years, genetics of the domestic chicken ( Gallus gallus domesticus) have been able to create a bird that reaches commercial body weight in 5 weeks (Burt, 2007). Unfortunately, with this astonishing genetic development, other disapproving conditions such as adiposity, leg, metabolic and reproduction...
From January to now, the manufacturers have been mainly executing the previous vitamin E orders, and the market quotation remains stable at 70 RMB/kg. On February 22,ZMC announced to raise the price to 85RMB/kg which ignited the market.
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Precision poultry farming is the use of advanced technologies to optimize the contribution and health/welfare management of individual animals. UGA poultry science Extension team will host the 2021 Georgia Precision Poultry Farming Conference to...
It is necessary that animals have a balanced intake of Feed and water.
Intake of water alongwith intake of Feed is an important indicator of the health of the animal.
Pigs and Poultry drink water twice the feed intake. Whereas Cattle drink water four to five times the feed intake. Hence, any deficiency in the feed can be supplemented by nutrients through water.
To improve the efficiency of animal functions, there are a number of nutritional supplements available but...
I. INTRODUCTION Papers have been presented at the past two APSS meetings on the subject of low protein diets (Kidd and Choct, 2017; Hilliar and Swick, 2018; Lambert and Corrent, 2018). Few, if any, have taken note of the economics of such diets. This paper is an examination of the costs of low protein diets. A brief history of amino acids is worth reviewing. Each time a limiting amino acid became available commercially, and was used, the protein level of broiler diets was...
Both glucose and amino acids are essential for muscle protein deposition and feed conversion efficiency. Total tract nitrogen retention was reported to be influenced by protein and starch digestion in broiler chickens (Liu et al., 2013). Embracing the concept of digestive dynamics and applying it in practical diet formulation requires understanding of the variations of protein and starch digestion rates in different ingredients. This present study evaluated protein and starch digestion rates...
I. INTRODUCTION Improved FCR was observed in broiler chickens fed a slow digestible starch diet compared with a fast digestible starch diet (Weurding et al., 2001). Furthermore, Enting et al. (2005) indicated that a slow digestible starch diet fed to broiler chickens can spare amino acids (AA). Finally, Liu et al. (2017) and Truong et al. (2017) concluded that starch digestion kinetics play a role in broiler performance, but that protein digestion kinetics may be more important...
I. INTRODUCTION Owing to the increased efficiency, growth rate and reduced mortality achieved, antibiotics have been used continuously in the broiler industry for decades (Cromwell, 2002) and are being questioned for antibiotic resistance. Some of the alternatives include vitamins, minerals, herbal drugs, plant extracts, phytobiotics and antimicrobial peptides and beneficial bacteria (Yadav et al., 2016). Recently, there has been increased interest given to polyphenols...
I. INTRODUCTION Marek’s disease virus (MDV) and infectious laryngotracheitis virus (ILTV) are two economically important viruses of subfamily Alphaherpesvirinae. MDV is an extremely contagious virus which can cause severe oncogenic changes in viscera and tissues and high mortality in chicken while ILTV causes serious respiratory disease in chickens. Routine surveillance of MDV in poultry dust by quantitative PCR (qPCR) has been successfully used by industry for...
1. Introduction One of the main goals of free-range egg production is to optimise laying performance and egg quality while supporting hen health and welfare. However, opportunities provided in the free-range system allow for the expression of a variety of behaviours, interactions and physical experiences (e.g., being exposed to uncontrolled environmental conditions) which may impact hen health, welfare, and survival [1–3]. For example, free-range flocks are frequently...
INTRODUCTION Broiler hatching eggs can be stored at temperatures lower than ambient temperature before incubation, which is a common practice in commercial breeding farms and hatcheries. As per the variable market demand for 1-day-old parent stock chicks and the hatchery capacity, the duration of egg storage varies. Normally, commercial hatcheries set their eggs after 3 to 5 d of storage to minimize the negative effects of...
INTRODUCTION The largest costs in poultry meat and egg production are for feed. Feed cost minimization is dependent on determining the proper blend of ingredients to provide the desired nutrient levels. The desired nutrient levels should be those that result in the greatest differences in returns from meat and eggs sold and feed costs. Ler-man and Bie (1975) demonstrated the importance of knowing the variation in ingredients and variation in expected responses from different...
Introduction Animal-source feedstuffs are generally superior to plant-source ones for the growth and health of livestock, poultry, and fish (Wu 2018). This is due, in part, to the greater quantity of proteinogenic amino acids (AAs) and higher quality (the ratios and digestibilities of AAs) of the former than the latter. Traditionally, extensive research has focused on AAs that are not synthesized by animal cells and are known as nutritionally essential AAs (EAAs), including...
METHPLUS® is a nutraceutical product that acts in feeds as adjuvant to synthetic methionine (from Latin, adiuvare: to aid). Thanks to its ingredients based on plant extracts, seaweed and legume, helps to enhance remethylating path of the methionine cycle. METHPLUS® was developed thanks to European funds, over a period of 3 years, and its effectiveness has been demonstrated in the field in numerous countries with different diets, different climatic factors and management,...
Animal Welfare is Key to the Sustainability of the Poultry Industry Animal welfare is in the eye of the beholder. Some consumers are willing to pay more for products from companies with reputations that align with their beliefs. The concept of animal welfare is...
INTRODUCTION In current poultry production, physical separation between the hatchery and farms can cause newborn chickens to spend a variable period of time without food, and usually between 36 to 48 hrs. pass after birth before birds have access to feed, reducing the weight of the birds during this time (1). Delayed feed consumption can reduce the rate of growth and cause weight loss (2). By contrast, immediate access to food and water after hatching may promote...
1. Introduction The male breeding broiler is the bird used to produce a fertile egg from which the future broiler will be fattened to obtain meat. The importance of the rooster lies in the dissemination of genetic progress to obtain, in its progeny, large muscle masses because during its reproductive stage it is responsible for the fertilization of 1000 to 2000 eggs [1]. Currently, due to the genetic improvements that have been carried out to obtain birds with large muscle...