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45 articles for “Cow”
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Performance Analysis of Biogas Production from Onion Leaves and Cow Dung Compositions
Abstract: Biogas could be obtained from agricultural byproducts; and onion leaves and cow dung is agricultural byproduct abundantly available in Aliero Northwestern Nigeria. This study entails biogas production from onion leaves, cow dung and their mixtures. The onion leaves and cow dung at equal proportions and the sum of their half (Mixture) were poured into three 25 l digesters for experimental investigations. The optimal biogas yields, the component composition of gases …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 16, Issue 1, 2025 · pp. 1–9 Read article
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Lesser-Known Metabolites Influencing Ovarian Function, Follicular Development, and Embryo Viability in Dairy Cows
Abstract: The intricate processes of ovarian function, follicular development, and embryo viability in dairy cows are tightly regulated by a complex network of metabolites. While conventional biomarkers, such as steroid hormones, amino acids, and glucose metabolites, have been extensively studied, a growing body of evidence suggests that lesser-known metabolites play pivotal roles in bovine reproductive physiology. Dairy cattle fertility is critical for maintaining optimal milk production and herd sustainability, necessitating deeper …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 15, Issue 3, 2025 · pp. 18–29 Read article
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Green Pastures, Healthy Herd: The Intricate Interplay of Nutrition, Milk Yield, Reproduction, and Welfare in Dairy Cows
Abstract: The study explores the intricate interplay between green pastures, nutrition, milk yield, reproduction, and welfare in dairy cows, emphasizing the multifaceted benefits of pasture-based systems. Green grass serves as a natural, nutrient-rich feed source that supports optimal dairy cow performance by providing essential nutrients such as energy, proteins, vitamins, and minerals, which are crucial for high milk production. The natural grazing behavior associated with green pastures enhances rumen function, facilitating …
Published in Research & Reviews : Journal of Botany · Vol. 14, Issue 2, 2025 · pp. 51–66 Read article
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Partitioning Dynamics of Nutrients in Transition Dairy Cows: Metabolic, Hormonal, and Cellular Mechanisms Affecting Lactation and Fertility
Abstract: This review critically examines nutrient partitioning dynamics in dairy cows during the transition phase, a period that profoundly affects lactation and reproductive performance. During this phase, cows experience extensive physiological changes that alter nutrient requirements and utilization, making effective management essential for health and productivity. The review synthesizes current research on mechanisms of nutrient partitioning, with particular attention to energy, protein, and mineral balance, which are crucial for optimizing milk …
Published in International Journal of Nutritions · Vol. 3, Issue 1, 2026 Read article
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Zero-Concentrate Feeding in Dairy Cows: A Sustainable Approach to Milk Quality, Animal Health, and Welfare
Abstract: The study explores the benefits of eliminating concentrate feeds in dairy cow nutrition. As sustainability becomes a central concern in agriculture, zero-concentrate feeding offers a promising solution to reduce the environmental footprint of dairy farming while promoting optimal animal health and welfare. This approach primarily focuses on maximizing the use of high-quality forages, such as grasses and legumes, to meet the nutritional needs of dairy cows. By minimizing the use …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 15, Issue 1, 2026 · pp. 30–47 Read article
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Nutritional Comparison of Plant-Based Dairy Alternatives vs. Cow's Milk
Abstract: The increasing popularity of plant-based dairy alternatives has sparked a closer look at how they compare to traditional cow’s milk, especially in terms of nutrition and health. Cow’s milk is usually regarded as a good source of high-quality protein, calcium, vitamins B12 and D, and other critical elements. Its complete protein and easily absorbed calcium make it particularly important for bone health. However, more people are turning to plant-based options …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 13, Issue 3, 2024 · pp. 7–11 Read article
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Comparative Analysis of Kinetic Models for Simulation of Biogas Production from Cow Dung and Fruit Waste via Anaerobic Digestion
Abstract: This study investigates the optimization of biogas and biofertilizer production from cow dung and fruit waste through anaerobic digestion, utilizing various microbial growth kinetic models. Simulations were conducted using the Monod, Moser, Contois, and Tessier models to predict biogas yield and assess model accuracy. Results indicated that the Tessier model provided the closest fit to experimental data, with a biogas yield of 0.45 m³/kg VS, while the Monod model overestimated …
Published in International Journal of Membranes · Vol. 2, Issue 1, 2025 · pp. 47–63 Read article
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Risk Factors Associated with Subclinical Mastitis in Dairy Cows: Implications for Microbial Dynamics, Environmental Influences, and Management Factors
Abstract: Subclinical mastitis is a prevalent yet often overlooked condition in dairy cows, leading to reduced milk yield and quality. This study examines the microbial dynamics, environmental influences, and management factors contributing to subclinical mastitis in dairy herds. Microbial agents, including bacteria such as Staphylococcus aureus, Escherichia coli, and Streptococcus uberis, are key contributors, with their ability to persist and form biofilms complicating detection and treatment. Environmental factors, including bedding quality, …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 15, Issue 2, 2025 · pp. 45–61 Read article
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Rapid Post-uterine Involution in Dairy Cows: Mechanisms, Dietary Strategies, and Impact on Postpartum Recovery
Abstract: The postpartum period in dairy cows is critical for reproductive success, with uterine involution playing a central role in returning the reproductive tract to its pre-pregnancy state. Rapid uterine involution is essential for improving reproductive performance and minimizing the risk of postpartum complications. This review explores the nutritional mechanisms that influence uterine involution, focusing on key dietary strategies to promote tissue repair and recovery. We examine the role of energy, …
Published in Emerging Trends in Metabolites · Vol. 2, Issue 2, 2025 Read article
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Prolonged Antibiotic Use and Reproductive Challenges in Dairy Cows: Implications for Ovarian, Uterine, and Overall Reproductive Health
Abstract: The widespread use of antibiotics in dairy farming has raised concerns regarding its potential impact on reproductive performance. Prolonged antibiotic administration can disrupt endocrine regulation, alter ovarian function, impair uterine health, and compromise overall fertility in dairy cows. This review explores the multifaceted consequences of antibiotic exposure on reproductive physiology, highlighting its effects on hormonal balance, follicular dynamics, uterine microbiota, and embryo viability. Antibiotics may induce hormonal imbalances that interfere …
Published in International Journal of Antibiotics · Vol. 3, Issue 1, 2026 · pp. 22–40 Read article
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Forage Bioactive Compounds and Rumen Microbiota: Exploring Colonization, Density, and Diversity Dynamics in Dairy Cows
Abstract: The rumen microbiota plays a pivotal role in the health, productivity, and sustainability of dairy cows, with forage serving as a fundamental dietary component influencing microbial dynamics. This review explores the intricate interactions between forage bioactive compounds – such as tannins, saponins, alkaloids, and flavonoids – and the rumen microbiota, focusing on their effects on colonization, microbial density, and diversity. Forage bioactives modulate microbial adhesion, biofilm formation, and growth patterns, …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 15, Issue 3, 2025 · pp. 15–26 Read article
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Tensile and Microstructural Behaviour of Friction Stir Welded AL7050 Hybrid Composites Reinforced with Multani Mitti and Cow Dung Ash
Abstract: The study examines Al7050 aluminum alloy composites made by stir casting and bonded by friction stir welding (FSW), supplemented with environmentally friendly Multani Mitti (MM) and cow dung ash (CDA). The study assesses the effects of different hybrid reinforcement contents (0–8 vol%) on the microstructural properties, hardness, and tensile behavior of the base alloy and its FSW joints. Tensile testing reveals an initial decline at 2% reinforcement but a notable …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 78–89 Read article
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Enhancing Fiber Digestibility in Dairy Cows: Influence of Dietary, Management, and Environmental Factors
Abstract: The digestibility of fiber in dairy cows is a critical factor for optimizing their nutritional efficiency and overall productivity. This study explores the key dietary, management, and environmental factors influencing fiber digestibility in the rumen. Various aspects of feed composition, such as fiber content, protein-to-fiber ratio, and the presence of anti-nutritional factors, play a significant role in determining microbial activity and rumen fermentation efficiency. Physical feed characteristics, including particle size, …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 16, Issue 2, 2026 Read article
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Cow’s Milk Allergy: Prevalence, Diagnosis, and Alternative Formulations
Abstract: Cow’s Milk Allergy (CMA) occurs when the immune system reacts to proteins in cow’s milk, like casein and whey. In individuals with CMA, the immune system wrongly perceives these proteins as threats, causing allergic reactions when cow’s milk is consumed. Unlike lactose intolerance, which results from the body’s inability to digest lactose – a sugar in milk – due to a deficiency of the enzyme lactase, CMA is an immune …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 13, Issue 3, 2024 · pp. 22–26 Read article
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POTENTIAL BIOPRESERVATIVE EFFECT OF ANTIMICROBIAL PEPTIDES OF SEEDS OF Vigna unguiculata (Cow Pea) ON Hibiscus sabdariffa L. (Roselle) Calyces (Zobo) DRINK
Abstract: Natural and efficient food preservatives are in greater demand because of growing concerns about the safety and quality of processed beverages. Antimicrobial peptides have emerged as promising natural substitutes for synthetic preservatives, boasting advantages like wide-ranging activity and reduced toxicity. In this research, we investigate the inhibitory effects of these peptides against common spoilage microorganisms in 'Zobo' drink. Peptides were extracted and purified from germinated Vigna unguiculata) seeds harvested on …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 14, Issue 1, 2025 · pp. 26–41 Read article
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Molecular Characterization Phylogenetic Analysis from E.coli Isolated from Human and Cows Raw Milk
Abstract: E. coli is a significant pathogen that contributes to the genesis of both human and animal diseases. 20 different E. coli isolates were found in milk, stool, and utensil samples. Depending on whether each E. coli strain has the gene, the chuA, and the DNA segment TspE4.C2 has joined. the intestinal groups A and B1 as well as the extraintestinal groups B2 and D. The findings of the PCR-based analysis …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 15, Issue 3, 2025 · pp. 1–8 Read article
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Evaluation of Raw Cow Milk Preservation Using Extracted Mango Seed Kernels and Rosemary Leaves Powder, Ethiopia
Abstract: The study aimed to evaluate the raw cow milk preservation using extracted mango seed kernels and rosemary leaves powder. Fresh cow milk samples collected aseptically from Debre Birhan University farm. The fresh cow milk treated at different concentrations (0.5, 1.0 and 1.5%) of ethanol extract of mango seed kernel, rosemary leaves and equal mix of both extracts with 100 ml of milk then store at room temperature. Mango seed kernels …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 14, Issue 2, 2025 · pp. 20–28 Read article
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Mystery of Grass milk: A Deeper Dive into Quality, Quantity and Economics of Grass-milk in Dairy Cows
Abstract: Consumers perceive ‘grass-fed milk’ as healthier than conventional ones since grass-fed milk contains higher levels of beneficial fatty acids and lower levels of omega-6. The study highlights the nutritional benefits of feeding green grass, in terms of quality, quantity, and farm economics emphasizing its specific influence on the fatty acid profile of milk, including enrichment of omega-3 fatty acids and conjugated linoleic acids. It also delves into the environmental benefits …
Published in International Journal of Nutritions · Vol. 2, Issue 2, 2025 Read article
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Climate-Induced Infertility in Dairy Cows: Pathways, Challenges, and Solutions for Sustainable Dairy Development
Abstract: Climate change has emerged as a significant challenge to dairy production, with profound implications for reproductive performance in dairy cows. The interplay of rising temperatures, fluctuating rainfall patterns, and increased frequency of extreme weather events disrupts key physiological, nutritional, and behavioral processes essential for fertility. Heat stress alters hormonal balance, impairs oocyte and embryo quality, reduces estrus expression, and affects pregnancy outcomes. Concurrently, climate-induced nutritional deficits, immune suppression, and increased …
Published in International Journal of Climate Conditions · Vol. 2, Issue 2, 2025 Read article
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Retained Placenta in Dairy Cows: Causes, Consequences and Effective Strategies for Sustainable Dairy Development
Abstract: Retained placenta (RP) is a common reproductive disorder in dairy cows that poses a significant threat to reproductive efficiency, milk yield, and overall herd productivity. The condition, characterized by the failure to expel fetal membranes within 24 hours post-calving, results from a complex interplay of metabolic, endocrine, nutritional, and management-related factors. Key causative agents include dystocia, twin births, premature calving, mineral imbalances, oxidative stress, immune suppression, and hormonal disruptions, particularly …
Published in Research and Reviews: A Journal of Health Professions · Vol. 15, Issue 3, 2025 Read article