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27 articles for “Broiler Chickens”
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Research ArticleOpen accessIn the abstractThe Effect of Broiler Breeder Ages on the Qualitive and Quantitive Properties of the EggShahabodin Gharahveysi, Seyed Milad Farhadi Niaki, Mehrdad IraniBroiler breeder age is one of the most important factors that affects on egg properties. However by increasing the age of broiler breeder flock, the quality of eggs and consequently the quality of their chick products would be changed. In order to study the effect of broiler breeder flock age on the various aspects of chick products, 300 fertilizable eggs … …American Journal of Animal and Veterinary Sciences, Vol. 7, Issue 3 · 30 Aug 2012 · 7,826 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 abstractExtrusion of Peas (Pisum sativum L.): Effects on the Apparent Metabolisable Energy and Ileal Nutrient Digestibility of BroilersCatootjie L. Nalle, Ganesharanee Ravindran, Velmurugu RavindranProblem statement: The potential feeding values of grain legumes, such as peas (Pisum sativum), are limited because of the presence of anti-nutritional factors. In particular, protease inhibitors are of interest, but these can be readily destroyed by thermal treatments. In the present study, the influence of extrusion on the chemical composition and nutritive value of peas was evaluated. Approach: Two … …American Journal of Animal and Veterinary Sciences, Vol. 6, Issue 1 · 26 Apr 2011 · 8,415 accessesView PDFCite
Research ArticleOpen accessIn the abstractPlasma Thyroid Hormone Concentrations and pH Values of Some GI-Tract Segments of Broilers Fed on Different Dietary Citric Acid and Microbial Phytase LevelsRouhollah Nourmohammadi, Seyed Mohammad Hosseini, Hamed Saraee, Alireza ArabProblem statement: An experiment was conducted to study the effect of microbial phytase supplementation and citric acid on thyroid activity, relative weight of lymphoid organs and pH values of some GI-tract segments in broiler chickens fed corn-soybean meal based diets. Approach: The data was analyzed using a Randomized Complete Block Design (RCBD) with factorial arrangement of 3×3, three levels of … …American Journal of Animal and Veterinary Sciences, Vol. 6, Issue 1 · 26 Apr 2011 · 8,316 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 abstractEffects of Betaine Supplementation to Methionine Deficient Diet on Growth Performance and Carcass Characteristics of BroilersH. Sun, W.R. Yang, Z.B. Yang et al.Problem Statement: The efficacy of Methionine (Met) sparing effect of Betaine (BET) has been shown to be associated with dietary compositions, animal physiological stage and living conditions. This study was to determine the extent to which dietary Met could be replaced by BET in broiler chickens under the feeding conditions specific to Chinese poultry industry.Approach: A total of 900 day-old … …American Journal of Animal and Veterinary Sciences, Vol. 3, Issue 3 · 30 Sep 2008 · 14,155 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Organic and Inorganic Chromium Supplementation on Meat Quality of Heat-Stressed Broiler ChicksMajid Toghyani, Ali Khodami, Abbas Ali GheisariThis study examined the effect of different levels of dietary organic and inorganic chromium (Cr) on meat quality of broiler chicks reared under heat stress condition. Four hundred and twenty Ross male chickens in heat stress condition (33±3°C) were allocated to seven treatments in a completely randomized design. Treatments were supplemented with 0 (control), 500, 1000 or 1500 µg kg-1 … …American Journal of Animal and Veterinary Sciences, Vol. 3, Issue 2 · 30 Jun 2008 · 7,366 accessesView PDFCite