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Acta Scientiarum: Animal Sciences
Scopus
ISSN 1806-2636 · Editora da Universidade Estadual de Maringá (Eduem) · 2.066 artikel di indeks
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Artikel Jurnal
Influence of diet moisture content on behavioral, feeding, and productive parameters of lactating Holstein cows
This study aimed to evaluate the effect of dry matter content on the feeding behavior and milk production of Holstein cows. The study was conducted on lactating, multiparous Holstein cows. To assess feeding behavior, automatic feeders (Intergado®, Brazil) were used. The duration of rumination and…
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Artikel Jurnal
Impact of Moringa oleifera leaf meal and leaf extract on semen quality of Nigerian indigenous normal-feathered chickens
This study aimed to evaluate the effects of Moringa oleifera leaf meal and its aqueous extract on the semen quality of Nigerian Indigenous Normal Feathered Cocks (NINFC). A total of 375 birds were divided into five treatments, each receiving different levels of Moringa oleifera supplementation in…
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Artikel Jurnal
Filiform papillae of Holstein heifer tongues and their relationship with Rhipicephalus (Boophilus) microplus infestation
Mammals’ self-cleaning behavior helps to reduce infestations of ectoparasites, especially ticks. We investigated the relationship between measurements of the filiform papillae of heifer tongues and tick infestation. To assess the papillae, biopsies were performed on the anterior surface of the…
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Artikel Jurnal
Evaluation of the chemical and microbiological quality of a cassava-based fermentate product for animal feed
This study aimed to evaluate the chemical and microbiological quality of a fermented cassava feed, formulated with different diluents (water or whey) and with or without the addition of an inoculant (yogurt). The experimental design was a 2x2 factorial completely randomized design, totaling 4…
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Artikel Jurnal
Technical note: Adaptation of fermentation bottles for in vitro study, use of filter bag and its effect on digestibility and methane production
The in vitro fermentation technique has been used worldwide to study foods and feed additives in animal nutrition. There are many variations of equipment and procedures for studying digestibility and gas production. Given this, our objective was to adapt a simple, robust and low-cost fermentation…
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Artikel Jurnal
Impact of Crossing Golden Sabahia and White Leghorn Chickens on Performance Traits: An Analysis of Heterosis, Additive Effects, and Performance Curves
The current study was conducted to investigate the effect of crossbreeding between Golden Sabahia (GS) and White Leghorn (WL) strains on body weight (BW) and egg production traits and estimate crossbreeding parameters such as direct heterosis, additive effect and evaluating the growth and egg…
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Artikel Jurnal
Ageing and sex attraction of Teratorhabditis nematode
Sex attraction was observed in the free - living nematode Teratorhabdits palmarum (Gerber & Giblin-Davis, 1990). Attraction by means of pheromones provides the ability to find and distinguish appropriate individual with which to mate. In the present study, we performed sex attraction assay to…
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Biodegradation of oil-contaminated soils by Aspergillus Niger and Aspergillus Flavus
The use of microorganisms is one of the most important methods widely used in the world to treat hydrocarbon pollution by decomposing them. A nutrient medium with mineral salts and added crude oil was used to grow fungi isolated from contaminated sites, namely Aspergillus flavus and Aspergillus…
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Artikel Jurnal
Tillering pattern of marandu, mavuno, ipyporã and mulatto II grasses submitted to stockpiling
The objective was to evaluate the tillering pattern in the period before and during the stockpiling of the marandu, mavuno, ipyporã and mulato II cultivars. The experimental design was completely randomized, with four replications. The tiller appearance rate (TAR) showed a similar pattern among…
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Artikel Jurnal
Assessment of Roadsides Polluted with Heavy Metals in Mosul City, Iraq
A major challenge in soil pollution research is the accumulation of heavy metals from human activities, which threatens environmental integrity and public health. Transport vehicles contribute significantly to metallic particles, such as nickel and cadmium, from the wear and tear of brakes and…
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Artikel Jurnal
Supplementation with inorganic iron has no impact on the morphology of the hypopharyngeal glands in honey bees (Apis mellifera L.)
Nutrition plays a major role in honey bees health, development and performance. Industrial agriculture, deforestation and climate change, however, are known to have negative impacts in natural habitats, compromising access to abundant and diversified sources of pollen and nectar, essential for…
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Artikel Jurnal
Impact of pen space allowance in outdoor feedlot on cattle performance and carcass quality
Cattle performance and carcass traits as affected by feedlot pen space allowances were investigated. Bulls (N = 1350) of 30 ± 6 months of age and a weight of 392 ± 46 kg were assigned to one of three pen space allowances: 6 (T6), 12 (T12), and 24 (T24) m2 animal-1. Individual average daily gain…
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Artikel Jurnal
Genetic diversity of parental and offspring populations in Crassostrea gigas through gamete pool reproduction in hatchery
The Pacific oyster (Crassostrea gigas) is a major aquaculture shellfish worldwide and plays a fundamental economic role in oyster farming in Brazil. Despite a decade-long selection and breeding process, the genetic diversity of Pacific oysters in this farming system has not yet been investigated…
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Artikel Jurnal
Sheep fed diets containing different roughage:concentrate ratios in a semi-intensive production system
The increasing demand for high-quality sheep meat has driven the adoption of nutritional and genetic strategies to improve productive performance. The semi-intensive system, which combines grazing and supplementation, is an efficient alternative to increasing productivity. This study evaluated the…
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Artikel Jurnal
The role of journalism in promoting fish consumption: a study in southern Brazil
Growing societal concern about food quality and health has increased the demand for reliable information on food origin, influencing dietary choices. Although fish is widely recognized as a healthy protein source, per capita consumption in Brazil (9 kg year-1) and particularly in Rio Grande do Sul…
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Artikel Jurnal
Performance, intestinal morphometry, and welfare parameters of broiler quail (Coturnix coturnix) housed on cardboard as an alternative bedding material
This study evaluated the impacts of using recycled cardboard as a total or partial replacement for conventional rice straw bedding in the rearing of broiler quail. A total of 750 male and female quail (14 days of age) were used, distributed into three bedding treatments: (i) chopped cardboard, (ii)…
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Artikel Jurnal
Mineral and fatty acid profiles in spine and head broth of pirarucu (Arapaima gigas)
This study aimed to determine the mineral and fatty acid profiles in pirarucu (Arapaima gigas) spine and head broth raised in fish farms in the state of Rondônia, Brazil. A total of 12 pirarucu (8.1–11 kg) were analyzed, with head and spine samples collected. Processing included weighing…
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Artikel Jurnal
Digestibility of nutrients, ruminal parameters and nitrogen balance in lambs fed with diets containing high concentrate and concentrations of essential oil of (Cymbopogon flexuosus) lemongrass
The objective of this experiment was to evaluate the effects of inclusion of essential oil of Lemongrass (Cymbopogon flexuosus) in rumen fermentation parameters, nutrients digestibility and nitrogen balance in lambs feeding. The treatments were: negative control or CN (no additives); positive…
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Artikel Jurnal
Evaluation of dietary Dill powder on the performance, carcass characteristics, blood metabolites, humoral immunity and immune-related gene expression in broilers
This study was done to assess the effects of dietary Dill (Anethum graviolens L.) inclusion on growth performance, carcass characteristics, some blood metabolites, ileal micro-flora, humoral immunity, and immune-related gene expression in broilers. This experiment arranged by using a total of 600…
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Artikel Jurnal
Sexual dimorphism in morphometric and carcass traits in a pig population at different ages: implications for efficient pig production system
This study was designed to examine sexual dimorphism for economic traits in pigs. A total of 80 grower pigs averaging 4 weeks of age were randomly allotted into 2 groups with 4 replicates, each comprising of 10 pigs, in a Completely Randomized Design. Data were collected from the 6th to 18th week…
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