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21 results for “broiler chicks”
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Research ArticleOpen accessIn the abstractContract Broiler FarmingTodsadee Areerat, Kameyama Hiroshi, Ngamsomsuk Kamol, Yamauchi Koh-EnIn Thailand, poultry sector is the main economic growth of livestock sector, especially broiler production. The rapid expansion in broiler production has been made possible by the increase in the number of commercial farms or contract farming. The objective of this research was to understand better how contract farming works, who gets involved and why and who benefits from the … …American Journal of Economics and Business Administration, Vol. 4, Issue 3 · 19 Jul 2012 · 7,336 accessesView PDFCite
Research ArticleOpen accessIn the abstractEarly Age Thermal Conditioning Improves Broiler Chick's Response to Acute Heat Stress at Marketing AgeAhmed M. Hassan, P. Gopal ReddyProblem statement: Acute heat stress at marketing age especially in broiler chickens raised in open houses with reduced means of heat exchange leads to economic losses. The objective of this study was to determine beneficial effects of early age thermal conditioning in reducing adverse effects of acute heat stress and decrease losses. Approach: Ninety one day-old broiler chicks were randomly … …American Journal of Animal and Veterinary Sciences, Vol. 7, Issue 1 · 17 Feb 2012 · 8,660 accessesView PDFCite
Research ArticleOpen accessIn the abstractNo Damage of Dietary Dried Fermented Ginger Diet without Antibiotics on Growth Performance in Broilers Reared in Tropical AreaDuddoa Khonyoung, Koh-en Yamauchi, Tonglian Buwjoom et al.Problem statement: The experiment was carried out to determine whether the dietary Dried Fermented Ginger (DFG) has no affecting damage on broiler growth performance and can also be applicable in tropical and subtropical area using basal diets without antibiotics. Approach: Three hundred and fifty 7-d-old Arbor Acres broiler chicks were divided into one basal diet group (control) and 6 experimental … …American Journal of Animal and Veterinary Sciences, Vol. 6, Issue 2 · 6 Aug 2011 · 7,944 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of Dietary Supplementation with Pumpkin oil (Cucurbita pepo) on Performance and Blood Fat of Broiler Chickens during Finisher PeriodHosna Hajati, Ahmad Hasanabadi, Park W. WaldroupProblem statement: Using most of antibiotic growth promoters as feed additives has been banned by the European Union due to cross-resistance against pathogens and residues in tissues; and scientists search for alternatives to antibiotics, two days. In this view, medicinal plants and essential oils extracted are becoming more important due to their antimicrobial and stimulating effects on animal digestive systems. … …American Journal of Animal and Veterinary Sciences, Vol. 6, Issue 1 · 26 Apr 2011 · 9,724 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of Enzyme Supplementation on Performance, Carcass characteristics, Carcass Composition and Some Blood Parameters of Broiler ChickenH. HajatiProblem statement: Endogenous enzymes of broilers cannot adequately digest nonstarch polysaccharides and subsequently the ingestion of high levels of soluble NSP leads to increased digesta viscosity and reduced nutrient digestibility and absorption. Supplementation of NSPs degrading enzymes may remove the anti nutritive effects of NSPs and release some nutrients (starch, protein) from these elements. Therefore, in a completely randomized design … …American Journal of Animal and Veterinary Sciences, Vol. 5, Issue 3 · 30 Sep 2010 · 9,649 accessesView PDFCite
Research ArticleOpen accessIn the abstractGhrelin Gene Expression in Broiler Proventriculus Tissue are Changed by Feed Restriction, Different Dietary Energy and Protein LevelsShokoufe Ghazanfari, Mohammad Reza Nassiry, Mojtaba Tahmoorespur et al.Problem statement: The aim of this study was to investigate the effects of feed restriction and different energy and protein contents of diet on ghrelin gene expression in broiler chicken. Approach: Feeding programs consisted of ad libitum and feed restriction, two energy levels (3100 and 2800 kcal ME kg-1) and three protein levels (22.3, 19.3 and 16.3% CP). Feed restriction … …American Journal of Animal and Veterinary Sciences, Vol. 5, Issue 3 · 30 Sep 2010 · 7,481 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Sugar Cane Extract, Commercial Probiotic and their Mixture on Growth Performance and Intestinal Histology in Broiler ChickensOraya Khambualai, Koh-en Yamauchi, Jassada Ruttanavut et al.Problem statement: As the intestinal function is intimately affected by fed diets, many kinds of natural substances and probiotics have been supplemented to broilers to raise poultry productivity due to activating intestinal function. Besides, the intestinal histology is clearly altered by intestinal functions. The aim of this study was to investigate whether Sugar Cane Extract (SCE) and commercial probiotic (SPB), … …American Journal of Animal and Veterinary Sciences, Vol. 5, Issue 2 · 30 Jun 2010 · 8,674 accessesView PDFCite
Research ArticleOpen accessIn the abstractChange in Growth Performance and Liver Function Enzymes of Broiler Chickens Challenged with Infectious Bursal Disease Virus to Dietary Supplementation of Methionine and ThreonineElham Maroufyan, Azhar Kasim, Seyed Reza Hashemi et al.Problem statement: The aim of this study was to verify the effects of methionine and threonine supplementations higher than the NRC recommendation on growth performance, liver function enzymes, blood parameters and immune tissues of broiler chickens challenged with infectious bursal disease. Approach: A total of 450 day-old male broiler chicks were assigned to nine groups. Chickens were fed by three … …American Journal of Animal and Veterinary Sciences, Vol. 5, Issue 1 · 31 Mar 2010 · 9,469 accessesView PDFCite
Research ArticleOpen accessIn the abstractApplication of Meal Feeding and Skip-A-Day Feeding With or Without Probiotics for Broiler Chickens Grown at High-Altitude to Prevent Ascites MortalityAli Saffar, Fariborz KhajaliProblem statement: Ascites is a common rapid-growth-related problem in broiler chickens grown at high altitude where the partial pressure of oxygen is low and is marginally adequate to support the growth performance and ascites-related variables. A mismatch between the growth of oxygen supplying organs and the oxygen demanding organs causes ascites in broiler chickens. In the present study, broilers were … …American Journal of Animal and Veterinary Sciences, Vol. 5, Issue 1 · 31 Mar 2010 · 8,696 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of Methionine and Threonine Supplementations on Immune Responses of Broiler Chickens Challenged with Infectious Bursal DiseaseElham Maroufyan, Azhar Kasim, Seyed Reza Hashemi et al.Problem statement: The aim of this study was conducted to determine the effects of supplementing methionine and threonine higher than the National Research Council (NRC) recommendation in the diets on immune responses of broiler chickens challenged with Infectious Bursal Disease (IBD). Approach: A total of 450 day-old male broiler chicks were assigned to one of the nine dietary treatments. Three … …American Journal of Applied Sciences, Vol. 7, Issue 1 · 31 Jan 2010 · 8,844 accessesView PDFCite