157 articles for “growth parameters”

Research ArticleOpen accessAll words, across the recordProduction and Reproduction of Primiparous Guinea Pigs Concerning Lysine LevelsYasmeen Camila Vargas-Jauja, Karin Marleny Casilla-Huallpa, Liz Beatriz Chino-Velasquez et al.The development of breeding animals is essential to ensure the productivity of guinea pigs, so an adequate supply of nutrients is required. However, information on their nutritional requirements is limited, particularly with regard to amino acids such as lysine, wich affects their productive performance. We evaluated the effects of dietary lysine levels (0.84, 1.01, 1.18, and 1.34%) on prim parous … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 2 · 28 May 2025 · 5,467 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordEffect of Autolyzed Yeast Supplementation on Productive Performance Meat Quality Visceral Organ and Cecum Bacteria of Broiler ChickensSirinapa Taechanan, Kanokporn Poungpong et al.We assessed the effects of dietary Autolyzed Yeast (AY; Saccharomyces cerevisiae) on the performance, meat quality, visceral organ weights, and cecum bacteria of broiler chickens. We utilized a total of 360 one-day-old male Ross308 chicks. We allocated the chicks to four different dietary treatments, each consisting of six duplicates. Each replica consisted of 15 chicks per pen. The study included … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 3 · 19 Sep 2024 · 5,086 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordImpact of Drinking Water Treatment on Poultry Health and Performances: An Experimental StudyCherifa Boumedous, Zouhir Djerrou, Youcef Hamdi PachaThe present study aimed to investigate the impact of water quality on broilers performance. Two flocks of 10 chicks each were separated and maintained in the same poultry barn in Hamma Bouziane (Constantine). The animals were given standard food in the same husbandry conditions. The first group was provided untreated well water; however, the second one was given water treated … …OnLine Journal of Biological Sciences, Vol. 17, Issue 1 · 4 Feb 2017 · 9,005 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordEffects of Some Heavy Metals in Some Morpho-Physiological Parameters in Maize SeedlingsSali Aliu, Bekim Gashi, Imer Rusinovci et al.Nowadays the heavy-metal pollution of the soil is causing ever greater problems, exacerbated by the fact that the heavy metals accumulated in plants may, either directly or indirectly, find their way into animals and human beings. Maize is one of the world’s most important crops, ranking third after wheat and rice, so the changes induced by one of the most … …American Journal of Biochemistry and Biotechnology, Vol. 9, Issue 1 · 18 Mar 2013 · 8,430 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordDetermination of Kinetic Parameters of a Super Heavy Chisel Plow Under Various Operating ConditionsS. A. Al-Suhaibani, A. Al-Janobi, A. E. GhalyProblem statement: Tillage is a process of creating a desirable soil condition for seed germination and growth. The tillage of soil is considered to be one of the biggest farm operations as the tillage operation requires the most energy on the farm. Chisel plow is widely used by farmers as a primary tillage tool. Performance data for chisel plow operation … …American Journal of Applied Sciences, Vol. 7, Issue 8 · 31 Aug 2010 · 7,652 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordThe Yellow Mealworm as a Novel Source of ProteinA. E. Ghaly, F. N. AlkoaikProblem statement: Yellow mealworms of different sizes (4.8-182.7 mg) were grown in a medium of wheat flour and brewer’s yeast (95:5 by weight) to evaluate their potential as a protein source. Approach: There was an initial adjustment period (3-9 days) observed during which the younger larvae (4.8-61.1 mg) grew slowly while the older ones (80.3-182.7 mg) lost weight. After this … …American Journal of Agricultural and Biological Sciences, Vol. 4, Issue 4 · 31 Dec 2009 · 20,859 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordEffect of Environmental Parameters on hydrogen Production using Clostridium Saccharoperbutylacetonicum N1-4(ATCC 13564)Walid M. Alalayah, Mohd Sahaid Kalil, Abdul Amir H. Kadhum et al.Problem statement: Hydrogen gas production by Clostridium can be improved by several ways through media formulation, or suitable environment condition. This study was carried out to investigate the environmental factors effects on hydrogen production using Clostridium saccharoperbutylacetonicum N1-4 (ATCC 13564). Approach: The environmental factor studied includes initial substrate concentration, initial medium pH, temperature, sparging nitrogen and addition of Fe2+. Results: … …American Journal of Environmental Sciences, Vol. 5, Issue 1 · 28 Feb 2009 · 7,775 accessesView PDF Cite