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241 articles for “Effects of Age”
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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 · 8,664 accessesView PDFCite
Research ArticleOpen accessIn the abstractUncommon Toxicologic Profile at Toxic Doses of CPI-613 (an Agent Selectively Alters Tumor Energy Metabolism) in Rats and Minipigs Reflects Novel MechanismClaudia Maturo, King C. Lee, Robert Rodriguez, Robert ShorrProblem statement: CPI-613 is a novel anticancer agent and the toxicological profile has not been assessed. Accordingly, the objective of these studies was to thoroughly evaluate the Toxicokinetic (TK) effects of CPI-613 in rats and to compare the toxicological profile of rats to minipigs to determine if there were differences between the two animal species. Approach: These studies involved assessments … …American Journal of Pharmacology and Toxicology, Vol. 5, Issue 4 · 13 Jun 2011 · 9,584 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 · 9,729 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 · 9,654 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 · 7,484 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effects of Fatigue and Chronic Ankle Instability on Dynamic Postural ControlSeyed Hossein Hosseinimehr, Hassan Daneshmandi, Ali Asghar NorastehProblem statement: The proprioception information is a prerequisite for balance, body's navigation system and the movement coordinator. The aim of this study was to investigate the effects of fatigue and chronic ankle instability on dynamic postural control. Approach: Thirty physical education students (14 males, 16 females) in two groups (15 healthy age = 21.78±0.79 years, height = 168.3±5.6 cm and … …Physics International, Vol. 1, Issue 1 · 31 Mar 2010 · 8,872 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of Exhausting Exercise Induced Fatigue on the Double-Leg Balance of Elite Male AthletesKhodadad Letafatkar, Mohammad Hossein Alizadeh, Mohammad Reza KordiProblem statement: Fatigue is a complex phenomenon that can be described as a time-dependent exercise-induced reduction in the maximal force generating capacity of a muscle. The aim of the present study was to examine the effect of exhausting exercise induced fatigue on the double-leg balance of elite male athletes. Approach: This study included 30 apparently healthy young adults (handball and … …Journal of Social Sciences, Vol. 5, Issue 4 · 31 Dec 2009 · 7,897 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Mathematical Modeling Approach to Characterize Hormesis, Caloric Restriction and Toxicity in Mortality Data from Toxicity StudiesPatricia J. NeafseyThe mortality of a population reflects the combined effects of natural aging with environmental insults (e.g. toxicant exposure, caloric restriction, over feeding, infections, etc.). No single endpoint, such as carcinogenesis, completely describes toxicant-induced effects in laboratory animals. Mathematical models of mortality and time-dependent exposure to toxicants can yield indices of net injury from all causes. With careful manipulation of diet … …American Journal of Pharmacology and Toxicology, Vol. 3, Issue 1 · 31 Mar 2008 · 7,163 accessesView PDFCite
Research ArticleOpen accessIn the abstractMicrobial Diversity as a Biological Control Mechanism for Fruit Tree Diseases: A Comparative ApproachZhichao TangThe traditional methods of fruit tree pest control have long relied on chemical pesticides. This not only leads to increased resistance of pests and diseases but also adversely affects the ecological environment and fruit safety. Although biological control has gradually received attention, the current research on how to systematically use microbial diversity to achieve efficient control and prevention is still … …American Journal of Biochemistry and Biotechnology, Vol. 22, Issue 1 · 8 Apr 2026 · 1,607 accessesView PDFCite
Research ArticleOpen accessIn the abstractRETRACTED: Evaluation of the Cytotoxic Activity of Aqueous Extract of Schinus terebinthifolius RaddiA. Arnóbio, O. N. Terra Jr., P. R.G. Lemos et al.Phytotherapy consists in all pharmaceutical preparation using certain part of plants as a feedstock with known pharmacological effects for medicinal purposes. In order to a better understanding of the biological effects associated with herbal medicines, many scientific studies have been conducted and developed in recent years. SchinusterebinthifoliusRaddi (Aroeira) is native from Peru and is also found in Europe, Asia and … …American Journal of Infectious Diseases, Vol. 8, Issue 4 · 8 Feb 2013 · 7,616 accessesView PDFCite