38 reads in the past 30 days
Application of prodigiosin pigment extracted from Serratia marcescens as a functional feed additive for improving quail performance and healthJune 2025
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38 Reads
Published by Taylor & Francis
Online ISSN: 1828-051X
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Print ISSN: 1594-4077
38 reads in the past 30 days
Application of prodigiosin pigment extracted from Serratia marcescens as a functional feed additive for improving quail performance and healthJune 2025
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38 Reads
32 reads in the past 30 days
Smart technologies to improve the management and resilience to climate change of livestock housing: a systematic and critical reviewJanuary 2025
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339 Reads
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3 Citations
29 reads in the past 30 days
Precision livestock farming: an overview on the application in extensive systemsMarch 2025
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132 Reads
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1 Citation
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Effects of three different strains of Bacillus-based probiotics and Saccharomyces cerevisiae-based prebiotic on performance, egg components and gene expression of laying hens during phase II of productionOctober 2024
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88 Reads
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1 Citation
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Effects of kefir addition on apparent digestibility of dry complete food, faecal characteristics, and blood parameters of healthy dogsNovember 2024
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125 Reads
The Italian Journal of Animal Science publishes international papers in animal science including studies on animal genetics, breeding and livestock management.
For a full list of the subject areas this journal covers, please visit the journal website.
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Marbling or visible intramuscular fat is a crucial indicator of beef eating quality. This study investigated the heritability of marbling score (MS), as defined by the Meat Standards Australia (MSA) grading scheme, in Charolais cattle, laying the groundwork for future breeding programs for improving this trait. The dataset included 909 animals (523 young bulls and 386 heifers), progeny of 531 sires and 905 dams imported from France, fattened in specialised units located in northern Italy, and slaughtered in a single abattoir where MS was assessed on a scale from 100 to 1190 using the MSA protocol. Variance components for MS were estimated using a single-trait linear animal model. The heritability (posterior SD) of MS was 0.46 (0.18). The progeny of the top 5% ranked sires (n = 4), with an average estimated breeding value (EBV) accuracy of 0.67, averaged 469 points for MS, compared to 305 points for the progeny of the bottom 5% ranked sires (n = 5). The presence of additive genetic variation for this trait represents a prerequisite for effective selection toward the desired MS to align meat-eating quality with market demands and consumer preferences.
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Life Cycle Assessment (LCA) evaluates the environmental impacts over the life-cycle of a product. Although its applications on cattle systems have progressed remarkably, less is known about how LCA approaches, goals and scopes have evolved. For this purpose, we reviewed 239 LCA studies on European whole-farm cattle systems from 2010 to 2024. Attributional LCA dominated (94%) over consequential and territorial LCA. Thirty-five per cent of studies described a system, 28% compared different systems, and 37% evaluated mitigation options, therefore focusing more on present-day situations than on improvements. Use of on-farm collected data increased between 2010–2024, but mitigation-assessment studies relied more on modelled-farm data. Most studies used a few impact categories (IC) – global warming (GWP), acidification (AP), eutrophication (EP) potentials – and one (product-based) functional unit (FU), and very few explored relations between ICs and FUs. Therefore, we analysed such relations in 75 dairy farms from grassland-based, mixed and confined systems. The GWP, AP and EP were highly and positively correlated but poorly related to energy and land use. Impacts per unit of milk and unit of land were unrelated. They ranked differently between systems and farms, with confined farms showing similar impacts per unit of milk but higher per unit of area than grassland-based farms. Future LCA studies should focus on comparative aims, on-farm collected data, and multiple ICs and FUs to capture the variability of all the cattle systems’ impacts and the synergies/trade-offs between systems and farms. Non-attributional approaches are needed to consider impacts on whole food systems.
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