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Research ArticleOpen accessIn the keywordsCow Efficiency, Relative-Birth Weight and Subsequent Pre-Weaning Growth Performance of Nguni CattleTakalani Judas Mpofu, Khathutshelo Agree Nephawe, Muzi Mandla Ginindza et al.The objective of this study was to evaluate factors influencing Cow Efficiency (CE), Relative-Birth Weight (R-BW), and subsequent pre-weaning growth performance of Nguni cattle in Limpopo Province, South Africa. Factors that were considered were dammed weight at calving, agro-ecological zone, the season of birth, sex of calves, parity, and dam age. Data from Nguni cows and their calves (n = … …American Journal of Animal and Veterinary Sciences, Vol. 17, Issue 2 · 23 May 2022 · 7,141 accessesView PDFCite
Research ArticleOpen accessIn the keywordsMeta-Analysis of Performance and Intestinal Histomorphology of Broilers Fed Diets Containing Fermented Tropical Seed MealsIfeanyichukwu Princewill Ogbuewu, Nnanyere Okwunna Aladi et al.There are variable results on the effect of dietary Fermented Tropical Seed Meal (FTSM) intervention on the growth and intestinal histomorphological indices of broilers. This meta-analysis aimed to investigate the effects of FTSM intervention on the growth performance and intestinal histomorphology of broilers. A database of 31 peer-reviewed studies that assessed the effect of dietary FTSM intervention on growth performance … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 4 · 29 Nov 2024 · 4,768 accessesView PDFCite
Research ArticleOpen accessIn the abstractGrowth 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 accessIn the abstractThe Effect of Early Weaning on Performance, Health Parameters, and Carcass Traits of Bonsmara Bull Calves Under Feedlot ConditionsKgotso Patrick Matli, Thobela Louis Tyasi, Pieter FourieA feedlot is an intensive farming system used for finishing livestock. This study analyzed the performance, health, and carcass traits of Early-Weaned Calves (EWC) and Traditionally-Weaned Calves (TWC). A total of 285 Bonsmara bull calves were grouped into two weaning strategies, with 136 EWC (255±27.30 kg) and 149 TWC (308±24.60 kg). Backgrounding was followed by a finishing phase, with a … …American Journal of Animal and Veterinary Sciences, Vol. 21, Issue 2 · 14 Aug 2026 · 1,233 accessesView PDFCite
Research ArticleOpen accessIn the abstractImpact 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 accessIn the abstractGrowth Dynamics and Meat Productivity of the Kushum Horse BreedOtebayev Zhassulan, Akimbekov Amin, Alpeisov Shokhan et al.In the conditions of the south-eastern zone of the Almaty region under herd management conditions without altering the existing husbandry practices the meat productivity of Kushum breed of horses is increased in the Bayserke Agro Farm due to breeding of highly productive stallions and mares of the Kushum breed. The primary objective of this study is to assess the productivity, … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 3 · 4 Dec 2025 · 2,743 accessesView PDFCite
Research ArticleOpen accessIn the abstractBreeding Progress in Mugalzhar Horses: The Irtysh Type as a Model for Meat Production EfficiencyAkimbekov Amin, Uskenov Rashit, Nurgulsim Kaster et al.The Mugalzhar horse breed holds significant value for meat production in Kazakhstan. Developed through targeted selection, the new Irtysh stud type demonstrates outstanding adaptation and productivity, with stallions reaching an average live weight of 486.1 kg and mares 463.4 kg, an increase of up to 73 kg compared to the original group. The coefficient of variation for live weight and … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 3 · 29 Nov 2025 · 2,613 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of the Saccharomyces Boulardii Supplement in Combined Feed on the Health, Growth, and Fecal Microbiota of Growing CalvesDulat Zhalelov, Serkan Ozkaya, Mehmet Gündoğdu et al.The aim of this study was to study the effect of a specific strain of yeast, Saccharomyces cerevisiae boulardii T8-3C (SCB), on the growth, health, and bacterial profile of calves' feces. A total of 12 animals were included in the experiment on a commercial calf farm for a total of 90 days. The calves were fed hay and alfalfa twice … …OnLine Journal of Biological Sciences, Vol. 25, Issue 3 · 27 Nov 2025 · 2,309 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluating the Impact of Indonesian Herbal Mixture on Recovery and Performance of Bali Cattle After Long-Distance TransportationSri Arnita Abu Tani, Adi Candra, Malik MakmurCattle traveling for an extended period on the road are often experience a decrease in body weight between 10 and 20%. This decrease causes significant losses for farmers, showing the importance of implementing treatment programs for recovery. To overcome the losses, a potential solution could be the use of an Indonesian Herbal Mixture (IHM) comprising various herbal ingredients such as … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 2 · 25 Jun 2025 · 4,194 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects 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