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54 articles for “Chickens”
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Research ArticleOpen accessEvery word in the titleGrowth Performance and Duodenal Morphometry of 1-6 Week Old Kampung Chickens Supplemented With L-LeucineCharles Venirius Lisnahan, Steffanie Merlin Clyricia Noach, Lukas Pardosi, Theresia Nur Indah KoniThis study evaluated the effects of dietary L-leucine supplementation on growth performance and duodenal morphometry of Kampung chickens during the starter phase (1–6 weeks). A total of 600 one-week-old Kampung chickens were randomly assigned to five dietary treatments with six replicates of 20 birds each in a completely randomized design. The treatments consisted of a basal diet without L-leucine (T0) … …American Journal of Animal and Veterinary Sciences, Vol. 21, Issue 3 · 11 Sep 2026 · 904 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleGrowth Performance and Blood Profiles of Indigenous Venda Chickens Under Intensive and Semi-Intensive Rearing SystemsBoasiako Oris Antwi, Ifeanyichukwu Princewill Ogbuewu, Christian Anayo MbajiorguA 91-day trial examined the impact of two production systems on crop content, growth performance, hematology, and blood chemistry of indigenous Venda chickens. One-day-old Venda chickens (n = 100) were randomly assigned to two treatments (T1 and T2) and replicated five times with 10 birds per replication. Venda chickens in each group were placed in five replicate pens, each having … …American Journal of Animal and Veterinary Sciences, Vol. 21, Issue 1 · 12 Apr 2026 · 1,424 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffects of Dietary Isoleucine Supplementation on the Growth Performance, Carcass Characteristics and Ileal Morphology of Native ChickensCharles Venirius Lisnahan, Oktovianus Rafael Nahak, Lukas PardosiThe roles of isoleucine in the protein synthesis, metabolisms, and growth of chicken have been widely reported. However, its effect on native chicken has not been previously reported. In this work, we reported the effects of dietary isoleucine supplementation on growth performance, carcass characteristics, and ileal morphology in native chickens during the grower phase (6-12 weeks). Two hundred native chickens … …OnLine Journal of Biological Sciences, Vol. 25, Issue 2 · 21 Jun 2025 · 2,940 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleComplete Blood Count and Blood Chemistry of Samae Dam Chickens (Gallus gallus) in Small-Holder Farmers, ThailandThunwa WiyabotComplete blood count and blood chemistry of Samae Dam chickens (Gallus gallus) in smallholder farmers, Thailand as part of the study on production performance of native samae Dam chickens (Gallus gallus) of breeders in small-holder farmers. Complete blood count and blood chemistry were studied in thirty-six healthy small-holder farmers-Samae Dam chickens (Gallus gallus) (male, n = 18; female, n = … …OnLine Journal of Biological Sciences, Vol. 22, Issue 2 · 23 May 2022 · 5,783 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOccurrence of Antibiotic Resistant C. jejuni and E. coli in Wild Birds, Chickens, Environment and Humans from Orang Asli Villages in Sungai Siput, Perak, MalaysiaIbrahim Mohamed Mohamed-Yousif, Jalila Abu, Saleha Abdul-Aziz et al.In developing countries, Escherichia coli and Campylobacter jejuni were found to be the prominent bacterial causes of gastroenteritis in human gastroenteritis, and they also showed an increased trend towards antibiotic resistance. Thus, the study aimed to determine the occurrence of E. coli and C. jejuni in wild birds, chickens, human and environment in villages in Perak and to determine the … …American Journal of Animal and Veterinary Sciences, Vol. 14, Issue 3 · 5 Aug 2019 · 8,909 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleLippia multiflora (Verbenacae, Mold.) Leaves Dietary Supplementation Effect on Broiler Chickens’ Growth, Hematological Parameters, and Serum BiochemistryKelemin Awa Koné, Tagouèlbè Tiho, Yapo Magloire Yapi, Vama Etienne TiaThe continued overuse of synthetic antibiotics has led to microbial resistance, responsible for numerous therapeutic failures in both animal and human health. This resistance has prompted the search for natural alternatives to the use of synthetic antibiotics in the poultry sector. The essay evaluated Lippia multiflora (Lm) leaves’ effects on chickens’ growth, health, and fatty acid profile. The rearing lasted … …OnLine Journal of Biological Sciences, Vol. 26, Issue 3 · 23 Sep 2026 · 429 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleMolecular Diagnosis of Toxoplasma gondii in Free-Range Chickens (Gallus gallus) Sold at Fairs in the Metropolitan Region of Macapá–AP (Brazil)Paulo Tarso Tavares Santana, Washington Luiz Assunção Pereira, Rafaelle Casseb Guimarães et al.The informal commercialization of free-range poultry in open markets poses potential food safety risks regarding zoonotic pathogens. This investigation molecularly and histopathologically screened for Toxoplasma gondii in 36 free-range chickens acquired from 12 prominent markets in metropolitan Macapá, Amapá State. Paired heart and brain tissue samples from each animal were processed via conventional PCR and conventional histology. The pathogen was … …American Journal of Animal and Veterinary Sciences, Vol. 21, Issue 2 · 2 Jul 2026 · 1,075 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleImpact of Dietary Feed Additives on Productivity in Broiler ChickensGaukhar Moldakhmetova, Zhanar Kussainova, Shohkan Alpeisov et al.Proper feeding is a key aspect of poultry farming; a balanced diet supports flock health, prevents infectious diseases, and enhances product quality. A relevant issue in poultry farming is the use of various probiotics and feed additives that positively impact gut health and its microbiota, which in turn promotes the growth and development of birds. In a scientific-farm experiment, the … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 3 · 4 Dec 2025 · 2,937 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDietary Protein and Energy Levels at 3200 m Altitude for Slow-Growing ChickensMariela Ketty Meza-Morveli, Liz Beatriz Chino-Velasquez, Jesús Camero DeLaCuba et al.The extent to which energy and protein (CP) levels can be reduced without impacting productivity in slow-growing chickens remains undetermined. The treatments were conducted to evaluate the effect of dietary CP (17.5, 19, and 20.5%) and energy (2850-2950 kcal ME/kg) on slow-growing chickens using an ideal protein concept at a high altitude (3200 m). We used a total of 144 … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 4 · 20 Dec 2024 · 5,275 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleIncreasing Resistance and Productivity of Broiler Chickens through ProbioticsАlpeisov Shokhan, Myktybayeva Raya, Kozhakhmetova Zubaira et al.A series of experiments were conducted at the poultry farm "Sary-Bulak" in the Almaty region in 2023. The objective was to determine the effect of a probiotic supplement, developed based on the connection of strains of lactic acid bacteria, on live weight, average daily gain, livestock safety, feed costs per unit of live weight gain, meat quality of carcasses and … …OnLine Journal of Biological Sciences, Vol. 25, Issue 1 · 7 Oct 2024 · 4,857 accessesView PDFCite