Tropical animal health and production最新文献

{"title":"Multivariate classification of livestock production systems in Mexico.","authors":"Alejandro Zaldivar-Gomez, Beatriz Martínez-López, Gerardo Suzán, Oscar Rico-Chávez","doi":"10.1007/s11250-025-04389-5","DOIUrl":"10.1007/s11250-025-04389-5","url":null,"abstract":"<p><p>The Mexican food production industry spans diverse agricultural and livestock products. Growing demand for animal-based products is driving significant changes in Livestock Production Systems (LPS), including shifts in location, herd sizes, and specializations. Global trade in livestock products has impacted Mexican producers' competitiveness and natural resource demands, raising environmental concerns. Better understanding of production system variations can assist decision-makers in enhancing agricultural sustainability. The study aimed to characterize the different types and distribution of LPSs in Mexico and their key factors. A conceptual model was developed reflecting the elements and interactions within production systems for cattle, sheep, goats, and pigs. Input variables were defined using this model, and data were gathered from government and official sources. A Principal Component Analysis (PCA) and a Hierarchical Cluster on Principal Components (HCPC) were used to characterize LPSs and classify states based on this typology. The multivariate analysis identified four production profiles, and the country's 32 states were classified into four distinct LPSs. The typology revealed by these production systems was consistent with traditional definitions previously established in Mexico. We observe changes within cattle and pig production systems, most notably in the adoption of new technology and integration of crop and livestock enterprises. Systemic heterogeneity was evident, with less economically developed states the most likely to display differences in the competitiveness of their production. This analysis represents the first quantitative synthesis of LPSs in Mexico and demonstrates the need for further investigation into their conditions and the factors that influence its diversification.</p>","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"57 3","pages":"140"},"PeriodicalIF":1.7,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11929715/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143693510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pre and post weaning performance of Columbia sheep under an intensive system of the central Mexico: an alternative to enhance meat production.","authors":"Gabriela Castillo-Hernández, Sandra González-Luna, Laura Castillo-Hernández, Glafiro Torres-Hernández, Jorge A Maldonado-Jáquez","doi":"10.1007/s11250-025-04382-y","DOIUrl":"https://doi.org/10.1007/s11250-025-04382-y","url":null,"abstract":"<p><p>The aim of this study was to evaluate the pre and post-weaning performance of Columbia lambs under an intensive system in central Mexico. Productive data of 657 Columbia lambs (346 males and 5.3 kg at birth; 311 Females and 4.9 kg at birth) in the period from 2017 to 2020 were considered. Live weight data were collected by sex, birth weight (BW), pre-weaning average daily gain (preADG) and post-weaning average daily gain (postADG), weaning weight (WW), final weight (FW), final age (FA) and mortality percentage data. No significant interactions between year, sex and litter size were found (p > 0.05). Differences were detected among years for all variables (p < 0.05). When comparing males vs. females, the highest values were found in males in almost all the variables (p < 0.05) except for FW and mortality (p > 0.05). The age to achieve final weight was greater in females (p < 0.05). Regarding litter size, singles were heavier and had more preADG than twins (p < 0.05). The phenotypic correlations showed significant (p < 0.05) and positive relationships between 1) BW with preADG and postADG, 2) preADG with WW and 3) FW with FA. On the contrary, negative correlations were detected (p < 0.05) between 1) WW with postADG and 2) postADG with FW. In conclusion, Columbia breed lambs could played an important role to improve meat production in intensive systems in central Mexico.</p>","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"57 3","pages":"137"},"PeriodicalIF":1.7,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143670090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"First evaluation of the efficacy and operational cost of acaricidal bath combining different droplet sizes, pressures and spray patterns in dairy cows naturally infested with Rhipicephalus microplus.","authors":"Gabriel Resende Souza, Beatriz Rezende Gandra de Araújo, Sandra Gesteira Coelho, Ricardo Nascimento Araújo, Welber Daniel Zanetti Lopes, Daniel Sobreira Rodrigues, Lorena Lopes Ferreira","doi":"10.1007/s11250-025-04378-8","DOIUrl":"https://doi.org/10.1007/s11250-025-04378-8","url":null,"abstract":"<p><p>Rhipicephalus microplus poses a significant challenge to animal health. This study evaluated efficacy and the effective operational cost (EOC) of different acaricidal treatments varying droplet size, pressure and spray pattern using a power sprayer. Three experiments were conducted on dairy cows, with each experiment involving three groups of 10 animals: two treated groups and one untreated control group. In the first experiment, acaricide treatments with the same droplet size (medium) were compared at different pressures (50 and 100 psi) using a full cone spray pattern: E1-M50 and E1-M100. In the second experiment, different droplet sizes (fine and medium) were compared at the same pressure (100 psi) using a full cone spray pattern: E2-F100 and E2-M100. The third experiment compared droplet sizes and spray patterns (fine at full cone and ultra coarse at flat fan) at the same pressure (100 psi): E3-F100 and E3-UC100. All animals received acaricide treatment on day 0 with a product based on organophosphate and pyrethroid. Tick counts were performed on days + 7, + 14, and + 21 to determine treatment effectiveness. Data on bath time were collected to determine the EOC, besides cost with acaricide, labor, water and electricity. No statistical differences (p > 0.05) regarding the mean tick count were observed between treated groups in all experiments. However, the highest efficacy values were found in treatments with larger droplets (medium and ultra coarse) and higher pressure (100 psi). In experiment 1, the efficacy varied from 70.6 to 88.9% and 75.2 to 93.7% for the treated groups E1-M50 and E1-M100, respectively. In experiment 2, efficacy varied from 48.7 to 86.2% for E2-F100 and from 68 to 94.7% for E2-M100. In experiment 3, efficacy ranged from 62.9 to 76.9% for E3-F100 and from 73.4 to 86.5% for E3-UC100. The EOC of the acaricide bath varied between 0.42 and 0.46 USD per animal. The findings show that treatment efficacy and EOC vary depending on the spray parameters used for the control of R. microplus, but further studies should be conducted to determine better combinations of pressure, droplet size and spray pattern.</p>","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"57 3","pages":"138"},"PeriodicalIF":1.7,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143674249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of heat stress on pig production and its mitigation strategies: a review.","authors":"Rahul Katiyar, Chamniugongliu Gonmei, Sourabh Deori, Mahak Singh, Sayed Nabil Abedin, Rupali Rautela, Ningthoujam Suraj Singh, Himsikha Chakravarty, Meena Das, B U Choudhury, Vinay Kumar Mishra","doi":"10.1007/s11250-025-04387-7","DOIUrl":"https://doi.org/10.1007/s11250-025-04387-7","url":null,"abstract":"<p><p>Heat stress (HS) poses a significant challenge to pig production worldwide, with far-reaching consequences for productivity, reproduction, and overall animal welfare. Stress, broadly defined as the nonspecific physiological response to environmental demands, disrupts homeostasis, leading to health imbalances, behavioral changes, and reduced productive efficiency. Pigs are particularly susceptible to HS due to their limited thermoregulatory capacity, influenced by a low density of functional sweat glands and a thick subcutaneous fat layer. Rising global temperatures have exacerbated HS-induced economic losses in the swine industry, manifesting as decreased growth rates, poor reproductive performance, reduced feed efficiency, increased morbidity, and mortality. HS impairs pig production by diminishing feed intake and nutrient availability, which leads to reduced growth, suboptimal carcass quality, and compromised reproduction. Sows experience increased anestrus, extended weaning-to-estrus intervals, and smaller litter sizes, while boars exhibit reduced semen quality and fertility. The genetic selection for higher productivity has inadvertently lowered heat tolerance, as metabolic heat production increases with improved production traits. Furthermore, inadequate environmental management in pig housing exacerbates the impact of HS. Variations in heat tolerance among pigs underscore the importance of understanding genetic, physiological, and environmental factors influencing their response to HS. Research reveals genetic differences in thermotolerance, offering potential avenues for selective breeding to improve resilience. Effective management strategies, including nutritional adjustments, environmental modifications, and genetic selection, are crucial for mitigating the negative effects of HS and enhancing pig productivity. This review highlights the multifaceted impacts of HS on swine production, explores the physiological and reproductive consequences, and discusses adaptive and ameliorative measures to address these challenges, with a focus on maintaining sustainable pig production in the face of climatic changes.</p>","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"57 3","pages":"139"},"PeriodicalIF":1.7,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143674138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of replacing barley grain with corn grain on performance, rumen and blood parameters in dairy cows fed alfalfa hay or corn silage.","authors":"Morteza Nemati, Farzad Hashemzadeh, Mohammad Khorvash, Gholam Reza Ghorbani, Ebrahim Ghasemi, Luiz Felipe Ferraretto, Hassan Rafiee","doi":"10.1007/s11250-025-04392-w","DOIUrl":"https://doi.org/10.1007/s11250-025-04392-w","url":null,"abstract":"<p><p>Different grain sources in the diet have shown varying effects on performance of dairy cows. Also, the variability in response to different starch sources is influenced by the type of forage used. This study investigates the combined effects of two forage (alfalfa hay vs. corn silage) and grain (barley vs. corn) sources on dry matter intake (DMI), feed efficiency, milk production and composition, apparent nutrient digestibility, blood metabolites, and ruminal metabolism of dairy cows. Eight second-parity early lactation Holstein cows (63 ± 5 d in milk) were used in a replicated 4 × 4 Latin square with a 2 × 2 factorial design. Diets were iso-energetic and iso-nitrogenous and were based on either corn (CG) or barley (BG) grains, and corn silage (CS) or alfalfa hay (AH). Diets with CS had more long (108 vs. 68 g/kg DM) and medium particles (369 vs. 331 g/kg DM), and thus, longer mean particle size (5.4 vs. 4.6 mm) compared to diets with AH. Cows fed BG had less DMI and lower actual and energy-corrected milk (ECM) yield than CG-fed cows. The total tract digestibility of starch (952 vs. 987 g/kg) and crude protein (CP) (687 vs. 743 g/kg) were lower in CG cows than cows fed BG. Additionally, cows fed CG tended to have lower ruminal propionate concentrations than those fed BG, suggesting differences in ruminal fermentability between BG and CG. Milk fat content (30.6 vs. 29.2 g/kg) and ECM production (42.6 vs. 40.7 kg/d) tended to be greater in cows fed diets containing AH rather than CS. Furthermore, despite similar nutrient digestibility and total volatile fatty acid production, AH-fed cows had a higher ruminal acetate-to-propionate ratio compared to those fed CS. Replacement of BG with CG improved performance by increasing DMI; however, the expected positive effects of substituting CS with AH in BG-based diets may be obscured by the impact of differences in forage particle size (PS). These results indicated that inclusion of CG might be an optimum choice for modulating ruminal condition and enhancing performance compared to BG during early lactation.</p>","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"57 3","pages":"136"},"PeriodicalIF":1.7,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143671194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prevalence and treatment of camel mastitis in Afar, Ethiopia.","authors":"Amare Bihon Asfaw, Getachew Derbew, Alebachew Tilahun","doi":"10.1007/s11250-025-04385-9","DOIUrl":"https://doi.org/10.1007/s11250-025-04385-9","url":null,"abstract":"<p><p>Subclinical mastitis is a significant health concern in lactating camels, impacting milk production and pastoral livelihoods. This cross-sectional study aimed to determine the prevalence of subclinical mastitis and document traditional treatment practices among pastoralists in the Afar region, Ethiopia. A total of 384 purposively selected lactating camels were screened using the California Mastitis Test (CMT), and structured interviews were conducted with camel owners. The overall prevalence of subclinical mastitis was 60.2% (231/384), with a quarter-level prevalence of 27.6%. The right hind quarter was the most affected (40.4%). Pastoralists identified various clinical signs of udder infection, locally known as Samoboda, including udder swelling, changes in milk color, teat wounds, and reduced appetite. Traditional treatment practices involved the use of medicinal plants (Moyayto, Abar-haba, and Mus-uurruga), as well as methods such as cleaning with soap and salt, smearing with Darrita (soil), burning, hot metal branding, and manual drainage of swellings. The high prevalence of subclinical mastitis highlights the need for targeted interventions, including improved milking hygiene, routine health screenings, and effective tick control programs to enhance camel health and productivity in pastoral systems.</p>","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"57 3","pages":"132"},"PeriodicalIF":1.7,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143664605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Identification of polymorphisms and genetic diversity studies of interferon regulatory factor 3(IRF3) gene in Muturu,White Fulani and N'Dama cattle.","authors":"Abubakar A Mohammed, Michael O Ozoje, John S De Campos, Christian O Ikeobi, Adewale O Talabi, Samuel O Durosaro, Babatunde M Ilori, Johnson A Aderoju","doi":"10.1007/s11250-025-04356-0","DOIUrl":"https://doi.org/10.1007/s11250-025-04356-0","url":null,"abstract":"<p><p>Interferon regulatory factor 3 (IRF3) is one of the strongest positional candidate genes implicated in a host of health-related phenotypes such as general disease resistance. The study was carried out to genetically characterize IRF3 gene in, N'Dama, Muturu and White Fulani cattle. DNA was extracted from the blood samples using the Zymo-spin extraction kit. ARLEQUIN 2.0001 software was used to estimate the basic population genetic statistics while DnaSP version 5.10.01 was used to estimate genetic diversity indices and test for deviation from neutrality. A total of 18 and 29 Single nucleotide polymorphisms (SNPs) were observed using codon code aligner in exons 1-2 and 5-6 of the IRF3 gene respectively in the three cattle breeds after polymerase chain reaction and sequencing. In exons 1-2, the Muturu (MU) possessed the highest value of SNPs (16) and genetic diversity indices, while the N'Dama (ND) possessed the least (1). In exons 5-6, the highest value of SNPs (14) was observed in the White Fulani and the genetic diversity indices was also high while the Muturu had the least. Analysis of molecular variation (AMOVA) carried out for the loci under consideration revealed a higher level of variation among populations than within populations. It was therefore concluded that the IRF3 gene had many polymorphisms and was highly diversified in Nigerian cattle breeds.</p>","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"57 3","pages":"131"},"PeriodicalIF":1.7,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143658744","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Unconventional plant sources as alternative feedstuffs in broiler rabbit nutrition: a scoping review.","authors":"Kegan Romelle Jones, Karuppusamy Sivakumar, Venkatesan Sundaram","doi":"10.1007/s11250-025-04393-9","DOIUrl":"https://doi.org/10.1007/s11250-025-04393-9","url":null,"abstract":"<p><p>Rabbit meat production offers a sustainable solution to meet the rising demand for protein, particularly in regions abundant in plant biomass. This review explores the potential of forages (legumes and non-legumes), medicinal, herbal, and aquatic plants as alternative rabbit feed sources. These alternatives boost protein, fiber, and bioactive compound content, enhancing productive performance, gut health, immunity, and meat characteristics. Challenges such as nutritional variations due to geographic location, seasonal changes, and processing methods, alongside nutrient-hostile factors and high fiber content, must be addressed. Nonetheless, these plants can be integrated into rabbit diets at levels of up to 10% without compromising animal health, performance, or digestibility. The study emphasizes the feasibility of incorporating alternative forages into rabbit feed, improving resource efficiency and sustainability in rabbit meat production. Notably, research indicates comparable growth performance between rabbits fed unconventional plants and those on conventional diets. Aquatic plants and aromatic herbs emerge as promising alternatives, enhancing growth, nutrient utilization, and carcass characteristics in rabbits. Despite challenges, careful dietary formulation can mitigate risks associated with certain unconventional feedstuffs. This review provides insights into formulating balanced, sustainable rabbit diets, highlighting the need for further research to optimize inclusion levels and mitigate anti-nutritive substances. Exploring unconventional plants as viable alternatives holds promise for enhancing both animal welfare and economic efficiency in the rabbit farming industry.</p>","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"57 3","pages":"135"},"PeriodicalIF":1.7,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143664685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Forecasting reproductive performance in Holstein heifers and cows in a hot environment: a time-series analysis.","authors":"Elizabeth Pérez-Rebolloso, José E García, Juan L Morales, María G Calderón, Alan S Alvarado, Ulises Macías-Cruz, Leonel Avendaño-Reyes, Miguel Mellado","doi":"10.1007/s11250-025-04388-6","DOIUrl":"https://doi.org/10.1007/s11250-025-04388-6","url":null,"abstract":"<p><p>This study aimed to predict the pregnancy rate (PR) and number of services per pregnancy (SP) in a large high-input dairy herd in a prolonged high ambient temperature zone. Also, the impact of climatic conditions on reproductive performance was assessed. An autoregressive integrated moving average (ARIMA) model was used in data fitting to predict future monthly PR and SP using data from 2014 to 2020. The highest predicted PR for cows was in January (35.3%; 95% CI = 30.5-40.1), and the lowest was in August (12.5%; 95% CI = 7.5-17.6). Temperature-humidity index (THI) and PR were significantly negatively correlated in the same month (r = 0.7) and 2.5 months earlier and 2.5, 5, and 7.5 months later. The predicted highest SP for cows was in September (6.2; 95% CI = 4.8-7.7) and the lowest for March (2.8; 95% CI = 1.3-4.2). The predicted highest PR in heifers was in January (62.2%; CI = 51.6-72.9) and the lowest in May (52.3%; 37.9-66.7). The cross-correlation between THI and PR in heifers was not significantly correlated in the same month, but significantly negative correlations occurred 5, 7.5, and 10 months earlier. SP in heifers were related to seasonality, with the predicted maximum SP occurring in May (1.9; CI = 1.2-2.6) and the minimum in February (1.6; CI = 1.0-2.2). It was concluded that weather strongly influenced the monthly reproductive performance rhythms of Holstein cows and heifers. Also, ARIMA models robustly forecasted reproductive outcomes of dairy cows and heifers in a hot desert climate.</p>","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"57 3","pages":"134"},"PeriodicalIF":1.7,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143664644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Creatine kinase levels, carcass, and physicochemical properties of breast meat from traditionally slaughtered village chickens.","authors":"Busisiwe Gunya, Zwelethu Mfanafuthi Mdletshe","doi":"10.1007/s11250-025-04390-y","DOIUrl":"10.1007/s11250-025-04390-y","url":null,"abstract":"<p><p>The objective of the study was to determine the effect of sex, season, and breed on creatine kinase (CK) levels, carcass, and the physicochemical properties of village chickens slaughtered using the transverse neck incision (TNI). One hundred chickens were stratified based on sex, breed, and season and were randomly assigned to different treatment groups to assess their live weight, carcass weight, meat quality, and CK levels. Results indicated that sex influenced live and carcass weights, with cocks (P < 0.05) being heavier than hens. Seasonal variations had a more significant effect on weights and meat quality, with the hot-dry season yielding the highest (P < 0.05) weights and the rainy season the lowest (P < 0.05). Seasonal changes also affected (P < 0.05) pH, meat colour, cooking loss, and drip loss, creatine kinase levels. The Leghorn chickens exhibited the highest (P < 0.05) live weight, and the Australorp had the lowest (P < 0.05). The Orpington breed produced the firmest meat (P < 0.05), whereas the Australorp yielded the tenderest. The study suggests that season and genetic factors significantly influence meat quality in village chickens. Further research is recommended into the nutritional status and muscle fibre composition to enhance meat quality. These findings offer valuable insights for improving slaughter practices and meat production in resource-limited farming systems.</p>","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"57 3","pages":"133"},"PeriodicalIF":1.7,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11923002/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143664637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}