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Bioconversion of Poultry Litter into Insect Meal and Organic Frasstilizer Using Black Soldier Fly Larvae as a Circular Economy Model for the Poultry Industry: A Review.
Insects
December 2024
Department of Integrative Agriculture, United Arab Emirates University, Al Ain, Abu Dhabi P.O. Box 15551, United Arab Emirates.
Poultry litter waste management poses a significant global challenge, attributed to its characteristics (odorous, organic, pathogenic, attracting flies). Conventional approaches to managing poultry litter involve composting, biogas generation, or direct field application. Recently, there has been a surge of interest in a novel technology that involves the bioconversion of organic waste utilizing insects (known as entomoremediation), particularly focusing on black soldier fly larvae (BSFL), and has demonstrated successful transformation of various organic waste materials into insect meal and frass (referred to as organic frasstilizer).
View Article and Find Full Text PDFInfluence of Arbuscular Mycorrhizal Fungi on Nitrogen Dynamics During Litter Decomposition.
Microorganisms
January 2025
College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China.
Arbuscular mycorrhizal fungi (AMF) can preferentially absorb the released ammonium (NH) over nitrate (NO) during litter decomposition. However, the impact of AMF's absorption of NH on litter nitrogen (N) decomposition is still unclear. In this study, we investigated the effects of AMF uptake for NH on litter N metabolic characteristics by enriching NH via AMF suppression and nitrification inhibition in a subtropical forest.
View Article and Find Full Text PDFShort- But Not Long-Term Effects of Creep Feeding Provided to Suckling Piglets.
Animals (Basel)
January 2025
Departamento de Producción Animal, Facultad de Veterinaria, Universidad Complutense, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain.
Fifty-eight litters (16 from primiparous gilts and 42 from multiparous sows) were used, with a total number of 750 piglets involved in the study. Birth weight was stratified into three groups: low (<1.02 kg; LBW), normal (1.
View Article and Find Full Text PDFPostnatal undernutrition increases estradiol plasma levels and sexual receptivity and disrupts the kisspeptin-GnRH pathway in adult female rats.
Physiol Behav
January 2025
University of Northern Parana (UNOPAR), Londrina, PR, Brazil.. Electronic address:
Undernutrition has increased worldwide in recent years and it is known that environmental factors to which individuals are exposed in early life can result in metabolic and reproductive changes that remain in adult life. In this context, the litter size expansion is a classic model used to induce undernutrition early in development. Thus, this study aimed to evaluate the effects of neonatal undernutrition induced by the litter size expansion on metabolic and reproductive parameters of female rats.
View Article and Find Full Text PDFNanotechnological Plastic Flooring: Implications for Broiler Chicken Performance, Health, and Carcass Quality.
Vet Sci
January 2025
Department of Animal Science, Universidade Federal de Viçosa, University Campus, Viçosa 36570-900, Brazil.
This study evaluated the effects of two types of plastic flooring-one with and one without nanotechnological antimicrobial additives-used as complete or partial replacements for wood shavings on broiler chicken performance, yield, meat quality, and litter microbiology over 42 days. A total of 1500 Ross 408 male broiler chicks were randomly assigned to five treatment groups: wood shavings (WS), plastic flooring (PF), a 50/50 mix of plastic flooring and wood shavings (PF + WS), plastic flooring with antimicrobial additives (PFA), and a 50/50 mix of antimicrobial plastic flooring and wood shavings (PFA + WS). This study evaluated organ biometrics (liver, heart, spleen, and gizzard), the severity of lesions, microbiological profiles, performance indices, and meat quality.
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