Effects of supplemental vitamin A on reproduction and antioxidative status of aged laying hens, and growth, blood indices and immunity of their offspring

Poultry Science, Journal Year: 2024, Volume and Issue: 103(3), P. 103453 - 103453

Published: Jan. 11, 2024

The purpose of this investigation was to evaluate the impacts vitamin A (VA) supplementation in feed at levels 0 (control), 2,000, 4,000, 6,000, and 8,000 IU VA/kg diet on reproductive efficiency antioxidative properties aged Sinai laying hens 52 wk age (n = 300 females 30 males) 6 replicates (10 + 1 male/replicate). As well as blood biochemical indicators, carcass characteristics, growth performance, immunity, status their chicks. Results showed that diets supplemented with 2,000 or 6,000 IU/kg VA increased fertility rate decreased early embryonic mortality (P < 0.05). Increasing from 4,000 significantly boosted hatchability rates. All enhanced glutathione peroxidase (GPx) reduced malondialdehyde (MDA) late mortality. In shell gland, dietary actions GPx actions, catalase (CAT), superoxide dismutase (SOD). hatched chicks, all 0.05) hemoglobin, red cell count, serum concentration total proteins IgA while decreasing eosinophils percentage aspartate aminotransferase activity (AST) concentration. Dietary supplementations improved lymphocytes, antioxidant capacity (TAC), SOD, IgM, heterophils, heterophils/lymphocytes ratio, creatinine Serum triglyceride by adding VA, globulin high-density lipoprotein concentrations were heightened only VA. It could be concluded (6,000 IU/kg) liver gland hemato-biochemicals parameters, status, immunity offspring.

Language: Английский

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Pet Wellness and Vitamin A: A Narrative Overview

Animals, Journal Year: 2024, Volume and Issue: 14(7), P. 1000 - 1000

Published: March 25, 2024

The health of companion animals, particularly dogs and cats, is significantly influenced by nutrition, with vitamins playing a crucial role. Vitamin A, in particular, indispensable, diverse roles ranging from vision to immune modulation reproduction. Despite its importance, the metabolism dietary requirements vitamin A animals remain complex not fully understood. This review provides comprehensive overview historical perspective, digestion, metabolism, physiological roles, deficiency, excess, interactions other micronutrients animals. Additionally, it highlights future research directions gaps our understanding. Insights into personalized nutrition strategies based on genetic variability, longitudinal studies tracking status investigations immunomodulatory effects are for optimizing pet wellness. Furthermore, understanding stability bioavailability food formulations essential ensuring provision adequate micronutrients. Overall, this underscores importance animal need further enhance optimize recommendations well-being.

Language: Английский

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Insights into Analytical Precision: Understanding the Factors Influencing Accurate Vitamin A Determination in Various Samples

Analytica—A Journal of Analytical Chemistry and Chemical Analysis, Journal Year: 2024, Volume and Issue: 5(1), P. 54 - 73

Published: Feb. 2, 2024

The accurate assessment of vitamin A in animal feed and tissues is vital for safeguarding well-being ensuring high-quality nutritional feed. However, challenges achieving precise results persist, necessitating a comprehensive understanding the influencing factors. This review delves into historical progression analytical techniques, from colorimetric assays spectrophotometry to advanced chromatographic methods non-destructive spectroscopic approaches. Factors precision are scrutinized, encompassing sample preparation, storage conditions, interfering substances, human errors. crucial role quality control standardized protocols reproducibility reliability emphasized. Moreover, this highlights need tailored approaches account complexities matrices significance cutting-edge technologies, including on-site analysis data science integration, enhancing precision. By acknowledging prospects analysis, paper provides insights optimizing methodologies promoting welfare product safety.

Language: Английский

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From Metabolism to Vitality: Uncovering Riboflavin’s Importance in Poultry Nutrition

Animals, Journal Year: 2023, Volume and Issue: 13(22), P. 3554 - 3554

Published: Nov. 17, 2023

Riboflavin, or vitamin B2, is indispensable for poultry, profoundly impacting their metabolic equilibrium, growth, and overall health. In a climate of increasing demand poultry products heightened production intensity, grasping the multifaceted roles riboflavin in domestic fowl nutrition becomes paramount. This essential serves as precursor to two vital coenzymes, flavin mononucleotide adenine dinucleotide, integral players pivotal redox reactions energy metabolism. Inadequate levels translate into stunted skeletal deformities, compromised feed conversion efficiency, thereby adversely affecting performance bottom-line profitability. Riboflavin goes beyond its fundamental role, ameliorating nutrient utilization, facilitating protein synthesis, augmenting enzyme activity, rightfully earning epithet "growth-promoting vitamin". Poultry's reproductive success intricately hinges on levels, dictating egg hatchability. It imperative note that requirements exhibit variations among species distinct phases, emphasizing importance judicious balanced supplementation strategies. Aligning dietary recommendations with genetic advancements holds promise fostering sustainable growth within sector. Exploring aspects empowers researchers, nutritionists, producers elevate well-being, harmonizing industry's evolving demands.

Language: Английский

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Nutritional Balance Matters: Assessing the Ramifications of Vitamin A Deficiency on Poultry Health and Productivity

Poultry, Journal Year: 2023, Volume and Issue: 2(4), P. 493 - 515

Published: Dec. 1, 2023

Vitamin A, a critical micronutrient, plays vital role in maintaining poultry health and maximizing productivity. This comprehensive review paper conducts thorough analysis of the consequences vitamin A deficiency domestic fowl. It delves into physiological functions investigates how hypovitaminosis impacts growth, immune function, reproduction, overall performance. Additionally, explores effective strategies for preventing managing deficiency, such as dietary adjustments supplementation, while addressing specific requirements intake. The implementation these holds immense importance optimizing management practices achieving peak performance production. profound understanding prevalence factors contributing to clinical subclinical fowl is essential ensuring efficiency farming operations. Recognizing pivotal applying appropriate measures empowers farmers enhance outcomes their flocks.

Language: Английский

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Vitamin A in Fish Well-Being: Integrating Immune Strength, Antioxidant Capacity and Growth

Fishes, Journal Year: 2024, Volume and Issue: 9(8), P. 330 - 330

Published: Aug. 22, 2024

This review synthesizes the multifaceted role of vitamin A in fish well-being, encompassing immune function, antioxidant capacity and growth regulation, providing a comprehensive understanding its significance diets implications for aquaculture. Key objectives include exploring immunology, impact, oxidative stress status, future directions. Vitamin is critical cell development, enhancing both innate adaptive responses. It maintains mucosal integrity modulates phagocytic activity, crucial pathogen defense. Growth regulation influenced by through cellular differentiation morphogenesis, essential tissue skeletal development. Studies indicate that supplementation improves metrics body composition across various species. also combats scavenging free radicals, enzyme inducing autophagy, thus protecting components from damage. Interactions with other vitamins like E, D, C highlight importance balanced nutrition Integrative management practices, including nutritionally diets, optimal water quality, reduction, environmental enrichment, are recommended to maximize health productivity adequate utilization.

Language: Английский

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Review of Liquid Vitamin A and E Formulations in Veterinary and Livestock Production: Applications and Perspectives

Veterinary Sciences, Journal Year: 2024, Volume and Issue: 11(9), P. 421 - 421

Published: Sept. 9, 2024

Vitamins A and E are vital fat-soluble micronutrients with distinct yet intertwined roles in various biological processes. This review delves into their functions, nutritional requirements across different animal species, the consequences of deficiencies, impact liquid formulations on veterinary medicine livestock production. Vitamin exists multiple forms, essential for vision, immunity, growth, while vitamin acts primarily as an antioxidant, safeguarding cell membranes from oxidative damage. Hypovitaminosis these vitamins can lead to severe health consequences, affecting reproduction, neurological functions. Hence, supplementation, particularly through innovative formulations, becomes pivotal addressing deficiencies enhancing overall productivity. Injectable forms show promise reproductive performance, immune function livestock. Administering drinking water offers a convenient way enhance productivity, during times stress or increased needs. Liquid drops offer flexible effective solution practice, allowing precise dosing easy administration, companion animals. Future research may aim optimize explore targeted therapies precision feeding via nutrigenomics, promising advancements

Language: Английский

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Let’s get physiological: circulating vitamin A levels predict the presence and severity of coccidiosis infection in House Finches (Haemorhous mexicanus)

Journal of Ornithology, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 14, 2024

Language: Английский

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Vitamin A source variability: a mini review on stability and bioavailability in poultry

Frontiers in Animal Science, Journal Year: 2024, Volume and Issue: 5

Published: Oct. 7, 2024

Vitamin A is essential for poultry health, influencing vision, growth, antioxidant defense, reproduction, and immune function. However, it highly sensitive to degradation when exposed light, moisture, heat, oxygen. To address this, vitamin typically formulated as retinyl acetate in small beadlets. These beadlets are commonly included premixes industrial diets. variations beadlet formulations among different producers can lead differences stability bioavailability, potentially impacting their effectiveness biological value poultry. Understanding the bioavailability of various sources crucial optimizing feeding strategies ensuring adequate supply. The be evaluated through several methods, including premix stability, during pelleting, storage feed, pure products. Bioavailability, which reflects how effectively absorbed utilized by animal, assessed vivo studies, with liver retinol levels serving a key indicator. enhance production, important select that offer both high bioavailability. Effective feed management, use stable readily forms A, improve growth rates, overall production efficiency.

Language: Английский

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