Journal of Advanced Veterinary and Animal Research最新文献

{"title":"Morphological, hematological, biochemical characteristics, and food preferences of common teal (<i>Anas crecca</i>) during the wintering period in Punjab, Pakistan.","authors":"Shozab Seemab Khan, Tariq Javed, Muhammad Saleem Khan, Muhammad Wajid","doi":"10.5455/javar.2025.l974","DOIUrl":"https://doi.org/10.5455/javar.2025.l974","url":null,"abstract":"<p><strong>Objective: </strong>The study aims to investigate sexual dimorphism in common teal (<i>Anas crecca</i>) by comparing various morphological, hematological, and biochemical parameters between males and females.</p><p><strong>Materials and methods: </strong>27 freshly captured wintering teals were collected from hunters holding valid shooting licenses and were subjected to hematological, biochemical, and food preference analysis following all relevant ethical guidelines for animal research.</p><p><strong>Results: </strong>Several morphological traits showed significant sexual dimorphism, including body length, wingspan, primary wing length, tail length, beak length, and head length, while body weight, tarsal and metatarsal lengths, and body circumference showed no significant differences. Hematological parameters such as red blood cells count, mean corpuscular hemoglobin, mean corpuscular hemoglobin concentration, and red cell distribution width-standard deviation differed significantly between sexes. Biochemical analysis revealed notable differences in urea, protein, and albumin levels. No significant difference in dietary preferences was observed between males and females.</p><p><strong>Conclusion: </strong>Morphological differences between males and females were observed except for parameters such as body weight, tarsal length, metatarsal length, and body circumference. Dietary preference was non-significant between genders. These findings would contribute to a deeper understanding of sexual dimorphism in common teal and may inform future research on migratory behavior, habitat use, and conservation strategies tailored to sex-specific ecological needs.</p>","PeriodicalId":14892,"journal":{"name":"Journal of Advanced Veterinary and Animal Research","volume":"12 4","pages":"1132-1141"},"PeriodicalIF":1.5,"publicationDate":"2025-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13068311/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147673603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Quantitative assessment of Benzalkonium residues in abattoir wastewater and evaluation of disinfectant application practices in Western Thailand.","authors":"Suppada Kananub, Prakorn Jala, Tepyuda Sritrakul, Maneenooch Khiao-In","doi":"10.5455/javar.2025.l971","DOIUrl":"https://doi.org/10.5455/javar.2025.l971","url":null,"abstract":"<p><strong>Objective: </strong>To assess benzalkonium chloride (BAC) contamination in abattoir wastewater and evaluate disinfectant usage practices in Western Thailand.</p><p><strong>Materials and methods: </strong>Wastewater samples and questionnaire data were collected from 20 pig and poultry abattoirs. BAC analogues were detected using ultra-high-performance liquid chromatography with diode array detection. Associations between abattoir scale and safety practices were analyzed using Fisher's exact test, with effect sizes expressed as Cramer's V.</p><p><strong>Results: </strong>BAC residues were identified in all abattoirs, including 40% that reported not using BAC-based disinfectants. Four large-scale facilities discharged wastewater into public waterways, posing environmental risks. Significant associations were found between abattoir scale and safety measures: safety training (Cramer's V = 0.59), personal protective equipment availability (0.57), and spill kit preparedness (0.89). Large-scale facilities adhered to these measures, while small and medium operations showed limited compliance. Although smaller facilities did not discharge into public areas, insufficient safety practices may contribute to BAC accumulation.</p><p><strong>Conclusion: </strong>BAC residues are widespread in abattoir wastewater. Strengthened regulatory oversight, systematic monitoring, and routine safety training are essential to mitigate environmental and occupational hazards.</p>","PeriodicalId":14892,"journal":{"name":"Journal of Advanced Veterinary and Animal Research","volume":"12 4","pages":"1108-1114"},"PeriodicalIF":1.5,"publicationDate":"2025-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13037623/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147592142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Development of formaldehyde-killed and alum-adjuvanted multicomponent <i>Salmonella</i> Enteritidisphage-type vaccines in chickens.","authors":"Amanullah Akhtar, Mohd Hair-Bejo, Elawad A Hussein, Siti Khairani Bejo, Zunita Zakaria","doi":"10.5455/javar.2025.l989","DOIUrl":"https://doi.org/10.5455/javar.2025.l989","url":null,"abstract":"<p><strong>Objective: </strong>The study objectives were to develop multicomponent formaldehyde-killed and alum-adjuvanted <i>Salmonella</i> Enteritidis(SE) phage-type vaccines in chickens.</p><p><strong>Materials and methods: </strong>SEPTs 35, 7, 6A, 3A, and 1 were killed, mixed to prepare six combinations, namely, V635, V671, V673, V675, and V613 and administered (0.20 ml) to chicks (<i>n</i> = 124) of 6 groups (CV635, CV671, CV673, CV675, and CV613), and one non-administered group as a control. Other chicks underwent 0.20 ml with SE 6A per chick (1,010 cfu per ml) as a challenge and were labeled CVZC, CV635C, CV671C, CV673C, CV675C, and CV613C. The blood, swab of cloaca, liver, spleen, digesta of the middle part of the intestine, and digesta of the cecum samples were collected for <i>Salmonella</i> detection. The caecum, bursa of Fabricius, liver, spleen, and ileum tissues were collected for histopathological examination.</p><p><strong>Results: </strong><i>Salmonella</i> was detected (100%) from the digesta of the middle part of the intestine, swabs of the cloaca, digesta of the caecum, and blood, spleen, and liver samples in the CVZC. <i>Salmonella</i> was not detected from the 3 (50%), 2 (33%), and 1 (17%) samples in the CV671C and CV673C, CV613C and CV635C, and CV675C, respectively. Histopathological changes were mild (lesion scoring of 0.4/3.0) and recorded in the group CVZC in the ileum, cecum, and bursa of Fabricius on days 7 and 14 pc, respectively.</p><p><strong>Conclusions: </strong>All combinations of killed SEPTs could protect the chick against SE infection. However, V673 and V671 products are safer and more effective compared to other products.</p>","PeriodicalId":14892,"journal":{"name":"Journal of Advanced Veterinary and Animal Research","volume":"12 4","pages":"1286-1296"},"PeriodicalIF":1.5,"publicationDate":"2025-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13037607/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147592402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of the effect of essential oils of Cinnamomum zeylanicum and Eucalyptus globulus against Salmonella Enteritidis and Salmonella Gallinarum in broilers.","authors":"Sidra Yasmin, Muhammad Taimoor, Hira Noor, Muhammad Nawaz, Aftab Ahmad Anjum, Kamran Ashraf","doi":"10.5455/javar.2025.l970","DOIUrl":"https://doi.org/10.5455/javar.2025.l970","url":null,"abstract":"<p><strong>Objective: </strong>This study intended to assess the effect of <i>Cinnamomum zeylanicum</i> and <i>Eucalyptus globulus</i> essential oils (Eos) as an alternative to antibiotics on <i>Salmonella</i> spp. infection, antibiotic growth promotion, and immunomodulation in experimentally infected broiler chickens.</p><p><strong>Materials and methods: </strong>Broiler chicks (<i>n</i> = 135) were randomly and equally divided into nine groups. From day 1, experimental groups were dietary supplemented with <i>C</i>. <i>zeylanicum</i> or <i>E</i>. <i>globulus</i> EOs. <i>Salmonella</i> Enteritidis (SE) and <i>Salmonella</i> Gallinarum (SG) counts in droppings, growth performance (weight gain, feed conversion ratio), humoral immune response to Newcastle Disease Virus (NDV) and Infectious Bursal Disease Virus (IBDV), and gut morphology were measured in birds.</p><p><strong>Results: </strong>The antibiotic groups and the positive control group recorded significantly higher SE and SG counts compared to the EO groups. <i>Cinnamomum zeylanicum</i> recorded the highest reduction in SE and SG counts. Birds fed EOs gained weight much faster on day 35 and improved their NDV and IBDV titers. Supplementation with the EO resulted in the lengthening of villi and an increase in mucosal surface area in various intestinal sections, including the duodenum, jejunum, and ileum, as observed under the microscope, indicating an improvement in gut function.</p><p><strong>Conclusion: </strong><i>Cinnamomum zeylanicum</i> and <i>E</i>. <i>globulus</i> EOs both exhibited a high <i>in vivo</i> anti-<i>Salmonella</i> effect, better growth performance, and improved immune and gut conditions in broilers. These results support the use of plant-based EOs as natural and antibiotic-free alternatives for controlling <i>Salmonella</i> infections in chicken.</p>","PeriodicalId":14892,"journal":{"name":"Journal of Advanced Veterinary and Animal Research","volume":"12 4","pages":"1097-1107"},"PeriodicalIF":1.5,"publicationDate":"2025-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13037652/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147592103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of oil-enriched tomato powder and simvastatin on yolk cholesterol and color in laying hens.","authors":"Ulvi Fitri Handayani, Maria Endo Mahata","doi":"10.5455/javar.2025.l999","DOIUrl":"https://doi.org/10.5455/javar.2025.l999","url":null,"abstract":"<p><strong>Objective: </strong>This study was conducted to investigate the influence of varying levels of oil-enriched tomato powder (OTP) and simvastatin supplementation on the performance and egg quality of laying hens.</p><p><strong>Materials and methods: </strong>Two hundred 32-week-old Lohmann-Brown hens were utilized in this study and divided into five groups: T1 = control diet; T2 = control diet + 0.03% simvastatin; T3 = 6% OTP in diet; T4 = 12% OTP in diet; and T5 = 18% OTP in diet.</p><p><strong>Results: </strong>The treatments with different levels of OTP and simvastatin had no significant effect on the performance of laying hens (<i>p</i> > 0.05), including egg weight, egg mass, hen-day egg production (HDEP), feed intake, and feed conversion ratio. However, dietary OTP at T5 significantly enhanced the yolk color index (<i>p</i> < 0.05) compared with treatments T1, T2, T3, and T4. Dietary OTP in T5 and supplementation of simvastatin at T2 significantly reduced (<i>p</i> < 0.05) cholesterol level in egg yolk, with the lowest cholesterol level produced by treatment T2.</p><p><strong>Conclusion: </strong>Dietary inclusion of 18% OTP in the diet improves yolk color index and reduces cholesterol without affecting laying hen performance, though simvastatin is more effective in cholesterol reduction.</p>","PeriodicalId":14892,"journal":{"name":"Journal of Advanced Veterinary and Animal Research","volume":"12 4","pages":"1396-1404"},"PeriodicalIF":1.5,"publicationDate":"2025-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13037638/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147592188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Production performance, egg quality, and economic profitability of Isa Brown hens that received <i>Eucalyptus globulus</i> leaf powder-based diet.","authors":"Aduayi Akue, Lamboni Lare, Edith Aıcha Soara, Essodina Talaki","doi":"10.5455/javar.2025.l982","DOIUrl":"https://doi.org/10.5455/javar.2025.l982","url":null,"abstract":"<p><strong>Objective: </strong>The <i>Eucalyptus globulus</i> leaf powder (EgP) was used in this study to evaluate its effects on the productive performance, physical quality of eggs, and profitability of Isa Brown laying hens.</p><p><strong>Materials and methods: </strong>A total of 400 20-week-old Isa Brown laying hens were randomly allocated into 5 groups of 4 replicates each, with 20 hens per pen for 24 weeks. The groups comprised 0% EgP without AGP (negative control, group T-); 0% EgP with the use of AGP (positive control, group T+); 0.25% EgP without AGP (group T1); 0.5% EgP without AGP (group T2); and 1% EgP without AGP (group T3).</p><p><strong>Results: </strong>The study revealed that the average laying rate was higher in T2 hens with a higher average egg weight, similar to T3. The feed conversion ratio was statistically lower in the EgP and AGP groups than in the negative control group. With storage duration, the eggshell weight was higher, and the Haugh unit significantly decreased less than that of hens treated with EgP compared to the control groups. The gross operating income was positive only for T2 and T3 hens during the 30th to 44th week (phase 2 of laying), and in this phase, the use of <i>E. globulus</i> leaf at 0.5% realized a margin of 10.63 F CFA on the production of an egg compared to the antibiotic group.</p><p><strong>Conclusion: </strong>The inclusion of 0.5% EgP in the diet of hens resulted in the highest level of profitability and egg quality observed throughout the 24-week production period.</p>","PeriodicalId":14892,"journal":{"name":"Journal of Advanced Veterinary and Animal Research","volume":"12 4","pages":"1217-1227"},"PeriodicalIF":1.5,"publicationDate":"2025-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13037617/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147592097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Postnatal development of the epididymis from birth until puberty of indigenous sheep (Barind-type) in Bangladesh.","authors":"Mst Aesha, Md Sheikh Sadi, Md Emtiaj Alam, Takashi Tanida, Md Royhan Gofur","doi":"10.5455/javar.2025.l972","DOIUrl":"https://doi.org/10.5455/javar.2025.l972","url":null,"abstract":"<p><strong>Objectives: </strong>The present study investigated the biometrical and histomorphometric changes in the epididymis of Barind-type indigenous sheep during postnatal development from birth to puberty.</p><p><strong>Materials and methods: </strong>A total of 21 Barind-type indigenous ram lambs of varying postnatal ages-day 0, 1, and 2 weeks; and 1, 2.5, 5, and 7 months-were used in this study. Histomorphometric analysis was done using routine haematoxylin and eosin staining.</p><p><strong>Results: </strong>The Barind-type indigenous ram lamb epididymis followed a regionalized pattern of development, with the tail beginning development before other anatomical regions. The Barind-type indigenous ram lamb epididymal development was slow until 1 month of age, followed by a rapid period of epididymal development.The epididymal length and weight were more than 5 and 50 times greater, respectively, at puberty than at birth. The epithelial height and tubular diameter were expanded significantly (<i>p <</i> 0.05) from 1 month of age in all regions except in the tail at 7 months, where the epithelial height decreased dramatically (<i>p <</i> 0.05). Regarding regional differences, the largest epithelium height and tubular diameter were consistently found in the tail, and the smallest in the head, until 5 months. At 7 months, the reverse was observed in epithelium height. Epididymal regions were significantly (<i>p <</i> 0.05)different from one another at 5 and 7 months in terms of tubular diameter and epithelium height, respectively. Sperm first appeared in the tubular lumen by 7 months in the Barind-type indigenous ram epididymis.</p><p><strong>Conclusion: </strong>The biometric and histomorphometric alterations in the epididymal structure of Barind-type indigenous ram during postnatal development until puberty are recorded for the first time in this study.</p>","PeriodicalId":14892,"journal":{"name":"Journal of Advanced Veterinary and Animal Research","volume":"12 4","pages":"1115-1124"},"PeriodicalIF":1.5,"publicationDate":"2025-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13037613/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147592128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of dietary incorporation of <i>Moringa oleifera</i> leaf meal on hatching characteristics and serum parameters of local Guinea fowl (<i>Numida meleagris</i>) in Togo.","authors":"Patrik Nukunu Komi Atitso, Kokou Voemesse, Aduayi Akue, Hèzouwè Tchilabalo Meteyake, Kafui Amivi Tete-Benissan","doi":"10.5455/javar.2025.l980","DOIUrl":"https://doi.org/10.5455/javar.2025.l980","url":null,"abstract":"<p><strong>Objective: </strong>This study evaluated the effects of <i>Moringa oleifera</i> leaf meal incorporation in local Guinea fowl breeders' diet on the hatching rate, quality, and serum parameters of Keet in Togo.</p><p><strong>Materials and methods: </strong>For this study, 512 breeder Guinea fowls (128 males and 384 females) were assigned randomly to four dietary groups (with four replicates each), named DT0, DT1, DT2, and DT3, containing, respectively, 0%, 0.5%, 1%, and 1.5% of <i>M. oleifera</i> leaf powder in diets. Guinea fowls are raised in confinement. Four incubations (I38, I42, I46, and I50) of 560 eggs were carried out each (Incubated at 37.7°C, with a relative humidity of 55%, the eggs were turned once per hour at a 90° angle until 23 days before transferred to hatching baskets for 3-4 days). These eggs were collected from 384 local Guinea fowls at 38, 42, 46, and 50 weeks of age. Egg weight loss, the duration of hatching events, fertility, hatchability, embryo mortality, and serum parameters of keets at hatch were evaluated.</p><p><strong>Results: </strong>The duration of the hatching events in the DT0 and DT1 treatments was higher than that of the DT2 and DT3 groups. The fertility rate (%) in DT2 and DT3 (76.43 ± 3.8 and 76.15 ± 4.5, respectively) was higher than that of DT0 and DT1 (73.3 ± 6.6 and 74.2 ± 4.7, respectively). Hatchability (%) was lower in DT0 (81.5 ± 3.3) compared to DT1, DT2, and DT3 (87.54 ± 5.5, 87.03 ± 3.2, and 88.25 ± 4.1, respectively). Embryo mortality rate (%) reduced in DT1, DT2, and DT3 (9.92 ± 0.24; 11.08 ± 0.34; and 11.12 ± 0.71, respectively) compared to DT0 (12.84 ± 1.59). The total proteins and albumin levels were higher in DT1, DT2, and DT3 compared to DT0. Alanine aminotransferase, aspartate aminotransferase, urea, uric acid, creatinine, high-density lipoproteins-cholesterol, and triglycerides levels for all treatments were not significantly different. Total cholesterol decreases in DT1, DT2, and DT3 compared to DT0.</p><p><strong>Conclusion: </strong>In conclusion, <i>M. oleifera</i> leaf meal incorporated into local Guinea fowl breeders' diets at 0.5%, 1%, and 1.5% improves keets production. However, according to the results on egg production performance of Guinea fowl breeders obtained in our previous study, the best performance was obtained with dietary inclusion of 0.5% and 1% <i>M. oleifera</i> leaves powder.</p>","PeriodicalId":14892,"journal":{"name":"Journal of Advanced Veterinary and Animal Research","volume":"12 4","pages":"1201-1210"},"PeriodicalIF":1.5,"publicationDate":"2025-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13037594/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147592182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Adaptation and performance evaluation of Perendale, Dorper, and Suffolksheep in Bangladesh.","authors":"Nure Hasni Desha, Sadia Afrin, Md Mahmudul Hasan Pasha, Md Nahid Hassan Chawdhury, Md Zillur Rahman","doi":"10.5455/javar.2025.l986","DOIUrl":"https://doi.org/10.5455/javar.2025.l986","url":null,"abstract":"<p><strong>Objective: </strong>The research was conducted to adapt the Perendale, Dorper, and Suffolk sheep and evaluate their productive and reproductive performances.</p><p><strong>Materials and methods: </strong>Data from 82 pure exotic sheep were recorded within the period of 2016-2024. The considered traits were birth weight, live weight at 3 (BWT3), 6 (BWT6), 9 (BWT9), and 12 months (BWT12), adult weight (2-3 years), average daily weight gain at 0-3 (ADG0-3), 3-6 (ADG3-6), 6-9 (ADG6-9), and 9-12 (ADG9-12) months of age, wool production, age at first conception, gestation length, litter size, age at first lambing, lambing interval, and days open. The data were analyzed using R software version 4.4.2.</p><p><strong>Results: </strong>Breed had no significant effect on productive and reproductive traits except BWT3, ADG0-3, wool production per sheep per shearing, and average lambing interval. The highest BWT3 (kg) and ADG0-3 (gm/day) were found in Dorper sheep, followed by Suffolk and Perendale, and the values were 23.15, 22.19, and 19.39 and 216.52, 210.86, and 173.12, respectively. In the case of wool production per sheep per shearing (kg), the highest production was found in Suffolk compared to Perendale and Dorper, respectively. The lowest lambing interval (days) was found in Dorper sheep, followed by Suffolk and Perendale, respectively. The average survivability rate of lambs and growing sheep was 96.34 and 98.73, respectively.</p><p><strong>Conclusion: </strong>The findings indicate that exotic sheep are well-adapted to our environment, and Dorper sheep may be utilized to produce meat-type crossbred sheep.</p>","PeriodicalId":14892,"journal":{"name":"Journal of Advanced Veterinary and Animal Research","volume":"12 4","pages":"1250-1258"},"PeriodicalIF":1.5,"publicationDate":"2025-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13037614/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147592399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association study of the <i>CSN2</i> gene with milk yield in the Sapera goat.","authors":"Santiananda Arta Asmarasari, Galih Ari Wirawan Siregar, Ferdy Saputra, Lisa Praharani, Zultinur Muttaqin, Diana Andrianita Kusumaningrum, Nurul Azizah, Wisri Puastuti, Dwi Yulistiani, Supardi Rusdiana, Anneke Anggraeni, Suyatno Suyatno, Teguh Ari Prabowo, Nurul Pratiwi, Cecep Hidayat","doi":"10.5455/javar.2025.l981","DOIUrl":"https://doi.org/10.5455/javar.2025.l981","url":null,"abstract":"<p><strong>Objective: </strong>This research was conducted to assess the influence of <i>CSN2</i> exon 7 milk production and the additive and dominance effects.</p><p><strong>Materials and methods: </strong>DNA was isolated from 64 goats that possessed the <i>CSN2</i> gene and subjected to a polymerase chain reaction and genotyping by Sanger sequencing.Genotype effect can be assessed through analysis of variance and the generalized linear model, which can estimate additive and dominance effects.</p><p><strong>Results: </strong>Dairy traits are greatly influenced by the crucial role played by the <i>CSN2</i> gene. The influence of SNP g.8946C > T on milk yield (MY) is statistically significant (<i>p</i> < 0.05). Nevertheless, the impact of SNP g.8956G > A on MY is not statistically significant. Furthermore, the MY of Sapera goats is affected by both Parity (<i>p</i> <0.01) and days in milk (<i>p</i> < 0.01).</p><p><strong>Conclusion: </strong>The <i>CC</i> genotype demonstrates a higher MY without noticeable additive or dominance effects. Evaluating the SNP g.8946C > T necessitates many samples and phenotypes.</p>","PeriodicalId":14892,"journal":{"name":"Journal of Advanced Veterinary and Animal Research","volume":"12 4","pages":"1211-1216"},"PeriodicalIF":1.5,"publicationDate":"2025-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13037599/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147592430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}