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Morphometric study of slaughtered Murrah buffalo bull testis and its correlation with seminal attributes of epididymal semen 屠宰水牛睾丸形态计量学研究及其与附睾精液精液属性的关系
IF 0.2 4区 农林科学
Buffalo Bulletin Pub Date : 2022-12-29 DOI: 10.56825/bufbu.2022.4143718
Hridesh Kumar, S. Srivastava, Rajesh Kumar
{"title":"Morphometric study of slaughtered Murrah buffalo bull testis and its correlation with seminal attributes of epididymal semen","authors":"Hridesh Kumar, S. Srivastava, Rajesh Kumar","doi":"10.56825/bufbu.2022.4143718","DOIUrl":"https://doi.org/10.56825/bufbu.2022.4143718","url":null,"abstract":"Present study was conducted to study the morphometric characteristics of slaughtered Murrah buffalo bull testis and its correlation with seminal attributes of epididymal semen. Total 56 pair of slaughtered Murrah buffalo bull testicles were procured from Allana, slaughterhouse, Arrora, and Mass agro food Pvt. Ltd. Unnao Uttar Pradesh, India; maintained at Deep Frozen Semen Laboratory, College of Veterinary science, and animal Husbadry, Ayodhya, Uttar Pradesh, India. Various morphometric parameters of testes and epididymis were analyzed and their correlations with attributes of epididymal semen were evaluated. No significance difference in seminal attributes between 6 h and 12 h after collection of testicles is clearly indicated that semen can be collect up to 12 h after death of animal without any significance loss in quality of semen in Murrah buffalo bull. Significant strong positive correlation among important characteristics (motility, livability and HOS positive sperm) suggests that these test may be used as one of the test for predicting fertility of epididymal semen Murrah buffalo bull.","PeriodicalId":9393,"journal":{"name":"Buffalo Bulletin","volume":null,"pages":null},"PeriodicalIF":0.2,"publicationDate":"2022-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45976537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of different rearing systems on behavioural responses to novel stimuli in Murrah buffalo calves 不同饲养方式对默拉水牛对新刺激行为反应的影响
IF 0.2 4区 农林科学
Buffalo Bulletin Pub Date : 2022-12-29 DOI: 10.56825/bufbu.2022.4144861
Shwetambri Jamwal, Pawan Singh, R. Thakur
{"title":"Effect of different rearing systems on behavioural responses to novel stimuli in Murrah buffalo calves","authors":"Shwetambri Jamwal, Pawan Singh, R. Thakur","doi":"10.56825/bufbu.2022.4144861","DOIUrl":"https://doi.org/10.56825/bufbu.2022.4144861","url":null,"abstract":"The study reported aimed to assess the effect of different rearing systems on behavioural responses to novel stimuli in Murrah buffalo calves. Calves in the experiment were grouped in three treatments in accordance with differed maternal interaction: dam-reared through fenceline (FMC; n = 8), restricted maternal contact (RMC; n = 8); no maternal contact (NMC; n = 8). FMC calves had permanent access to their mothers for first 5 days of birth and thereafter were housed in groups with fence line separation from their mothers and suckled twice a day. RMC calves had access to their mother only twice a day during the suckling hours. NMC calves were separated from their mothers within 24 h after birth and fed via bottle with nipple. Behavioral response of each calf toward novel object (a bright coloured ball) was evaluated on exposure during the test for three consecutive days across three months. The findings showed that buffalo calves that were given fence line contact with their mothers performed significantly (P<0.05) the best across all treatment groups in terms of response to a novel stimuli. Whereas the performance of calves with restricted contact with their mothers was superior to calves weaned at birth from their mothers, it was not on par with calves with full time fence line contact with their mothers, calves weaned at birth with no provision of maternal contact performed poorly in terms of behavioural response to novel stimuli.","PeriodicalId":9393,"journal":{"name":"Buffalo Bulletin","volume":null,"pages":null},"PeriodicalIF":0.2,"publicationDate":"2022-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47264948","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clinical and ultrasonographic assessment of traumatic pericarditis and traumatic reticuloperitonitis in buffaloes 水牛外伤性心包炎和外伤性网织炎的临床和超声评价
IF 0.2 4区 农林科学
Buffalo Bulletin Pub Date : 2022-12-29 DOI: 10.56825/bufbu.2022.4144782
A. Prajapati, Prakash Chauhan, A. Suthar, K. Patel, Jignesh Patel
{"title":"Clinical and ultrasonographic assessment of traumatic pericarditis and traumatic reticuloperitonitis in buffaloes","authors":"A. Prajapati, Prakash Chauhan, A. Suthar, K. Patel, Jignesh Patel","doi":"10.56825/bufbu.2022.4144782","DOIUrl":"https://doi.org/10.56825/bufbu.2022.4144782","url":null,"abstract":"Traumatic injury by a foreign body is a common cause of traumatic pericarditis (TP) and traumatic reticuloperitonitis in buffaloes. Both mimics almost the same clinical sign under field conditions. Clinical, hematobiochemical and ultrasonographic changes between TP and TRP cases in buffaloes were evaluated in the present study. From the period of January 2020 to December 2020, a total of twelve buffaloes were investigated with TP and TRP conditions. Six animals each suffering from TP and TRP were included along with six normal healthy animals as control. Different clinical signs, haemato-biochemical parameters and ultrasonographical findings were recorded in each group and comparative analysis was done. Brisket edema in TP affected buffaloes and arch back condition in TRP affected buffaloes was the common clinical finding. Ferroscopy was performed to confirm the location of foreign body. Jugular pulsation was noted in Group II as well as Group III buffalo. A significant increase in WBC count and a significant decrease in hematocrit was noted in Group III animals compared to healthy animals. SGOT and fibrinogen concentration was significantly increased in both group animals. Anechoic fluid accumulation in TP and thickening of the reticular wall in TRP were the most consistent ultrasonographic findings in buffaloes.","PeriodicalId":9393,"journal":{"name":"Buffalo Bulletin","volume":null,"pages":null},"PeriodicalIF":0.2,"publicationDate":"2022-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41912005","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Epidemiological, clinico-diagnostic and therapeutic aspects of bovine respiratory disease in Indian buffaloes 印度水牛呼吸道疾病的流行病学、临床诊断和治疗方面
IF 0.2 4区 农林科学
Buffalo Bulletin Pub Date : 2022-12-29 DOI: 10.56825/bufbu.2022.4143484
C. S. Jaibhaye, A. Bhikane, Prashant Suryakant Masare, A. Bhonsle
{"title":"Epidemiological, clinico-diagnostic and therapeutic aspects of bovine respiratory disease in Indian buffaloes","authors":"C. S. Jaibhaye, A. Bhikane, Prashant Suryakant Masare, A. Bhonsle","doi":"10.56825/bufbu.2022.4143484","DOIUrl":"https://doi.org/10.56825/bufbu.2022.4143484","url":null,"abstract":"Bovine Respiratory Disease (BRD) is major health problem occurring worldwide in bovines, responsible for high morbidity and mortality in calves and heavy economic losses in terms of production losses in milch animals and cost of veterinary treatment. Hence the present study was planned to investigate epidemiological, clinico-diagnostic and therapeutic aspects of BRD in Indian buffaloes. A total of 805 buffaloes reported to TVCC, COVAS, Udgir during the study period were screened for Bovine respiratory disease. On the basis of history of varying degree of nasal discharge, coughing, dyspnoea and abnormal lung sounds, 37 buffaloes were found positive for BRD, indicating 4.60% overall prevalence. The haemoanalysis showed significant (P<0.01) leukocytosis associated with neutrophilia. The radiographic examination of thorax revealed variable degree of congestion and diffuse consolidation of lungs. The bacteria isolated from nasal swabs were Staphylococcus sp., Streptococcus sp., E. coli, Corynebacterium sp., Klebsiella sp., Manheimia haemolytica, Brevundimonas sp. and Pseudomonas sp. Antibiogram of pure culture organisms isolated from BRD affected buffaloes revealed highest sensitivity for gentamicin (83.33%), followed by enrofloxacin (58.33%), ceftiofur sodium (50.00%), moxifloxacin (33.33%). Thirty-one BRD affected buffaloes were randomly distributed in four groups and treated with gentamicin 4 mg/ kg, enrofloxacin 5 mg/kg, moxifloxacin 5 mg/kg and ceftiofur 1.6 mg/kg respectively. All treated buffaloes from different groups clinically cured within 5 to 15 days. Based on results of current therapeutic trial, gentamicin proved most effective and economic in treatment of BRD in buffaloes.","PeriodicalId":9393,"journal":{"name":"Buffalo Bulletin","volume":null,"pages":null},"PeriodicalIF":0.2,"publicationDate":"2022-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46601051","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Digital infrared thermal imaging of body and hoof skin surface temperature profile in Murrah buffaloes (Bubalus bubalis): A preliminary report Murrah水牛(Bubalus bubalis)身体和蹄皮表面温度分布的数字红外热成像:初步报告
IF 0.2 4区 农林科学
Buffalo Bulletin Pub Date : 2022-12-29 DOI: 10.56825/bufbu.2022.4143463
Lokesh Siddalingaiah, S. Jeyakumar, A. Manimaran, Heartwin Amaladas Pushpadass, M. Sivaram, M. Sathiyabarathi, A. Kumaresan, M. Kataktalware, K. Ramesha
{"title":"Digital infrared thermal imaging of body and hoof skin surface temperature profile in Murrah buffaloes (Bubalus bubalis): A preliminary report","authors":"Lokesh Siddalingaiah, S. Jeyakumar, A. Manimaran, Heartwin Amaladas Pushpadass, M. Sivaram, M. Sathiyabarathi, A. Kumaresan, M. Kataktalware, K. Ramesha","doi":"10.56825/bufbu.2022.4143463","DOIUrl":"https://doi.org/10.56825/bufbu.2022.4143463","url":null,"abstract":"The aim of the present study was to generate thermographic profile of foot region viz. body temperature (BTºC), coronary band temperature (CBTºC), hoof skin surface temperature (HSSTºC) and mean temperature difference (ΔTºC) in Murrah buffaloes (Bubalus bubalis) and its relation with ambient temperature. A total of 60 hooves of lactating Murrah buffaloes (n = 15) maintained in a farm, were monitored once a day continuously for 15 days before evening milking using forward-looking infrared (FLIR) i5 camera. Total of 1125 thermograms were analyzed using FLIR Quick Report 1.2 image analysis software. The mean ± SD (°C) of BT, CBT, HSST and ΔT of all animals throughout the experimental period were 37.39±0.05, 34.93±0.13, 34.16±0.13 and 0.76±0.26 respectively. The CBT was around 0.5 to 1°C higher than HSST. Statistical analysis revealed that ambient temperature is highly and positively correlated with CBT (ºC) (r = 0.95) and HSST (ºC) (r = 0.99), indicating greater influence of ambient temperature on surface temperature of foot region. Therefore, CBT (ºC) and HSST (ºC) have a tendency to follow variations in ambient temperature (R2 = 0.91 and 0.98 respectively). However, significant difference was observed between BT vs. CBT, BT vs. HSST and CBT vs. HSST (ºC). The mean ± SD (°C) of ΔT of all animals, throughout the observation period was 0.96±0.41. A significant difference was observed in ΔT between animals (P<0.001). However, significant difference was not observed in ΔT between days and among four hooves within animal. It is concluded that, to the best of our knowledge this is the first report on baseline thermographic information on BT, CBT, HSST and ΔT differentials for buffalo and its clinical significance in monitoring hoof health and management.","PeriodicalId":9393,"journal":{"name":"Buffalo Bulletin","volume":null,"pages":null},"PeriodicalIF":0.2,"publicationDate":"2022-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43371021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of dietary betaine on endocrine profile in postpartum lactating Murrah buffaloes during hot-humid season 湿热季节日粮甜菜碱对产后泌乳水牛内分泌状况的影响
IF 0.2 4区 农林科学
Buffalo Bulletin Pub Date : 2022-12-29 DOI: 10.56825/bufbu.2022.4144603
J. Shakkarpude, A. Mishra, D. D. Caesar, Sanju Mandal, A. K. Jain, Archana Jain, D. Yadav, Bhawna Ahirwar
{"title":"Effect of dietary betaine on endocrine profile in postpartum lactating Murrah buffaloes during hot-humid season","authors":"J. Shakkarpude, A. Mishra, D. D. Caesar, Sanju Mandal, A. K. Jain, Archana Jain, D. Yadav, Bhawna Ahirwar","doi":"10.56825/bufbu.2022.4144603","DOIUrl":"https://doi.org/10.56825/bufbu.2022.4144603","url":null,"abstract":"Extreme heat along with metabolic stress associated with the postpartum period negatively affects the endocrine status of animals. Betaine is a feed additive that promotes animal growth. Since betaine contains three methyl groups, it acts as a methyl donor in animal metabolism. Eighteen postpartum Murrah buffaloes were randomly divided into T1 Group (Control), T2 and T3 Group was supplemented with betaine 50 g/animal/day and 100 g/animal/day respectively from 5th day postpartum and was continued up to 4 months postpartum. On day 50 postpartum the mean value of plasma cortisol of T1 Group was maximum followed by T2 Group and T3 Group had minimum plasma cortisol mean value which differed (P<0.05) significantly between groups. The mean concentration of plasma T3 total, T4 total, progesterone and estrogen showed (P>0.05) non-significant difference between all the groups. However, betaine fed T2 and T3 Group had higher plasma T3, T4, progesterone and estrogen as compared to control, it might be due to the effect of betaine, which reduces metabolic stress and activate hypothalmo-pituitary and gonadal axis after parturition and lactation period during heat stress.","PeriodicalId":9393,"journal":{"name":"Buffalo Bulletin","volume":null,"pages":null},"PeriodicalIF":0.2,"publicationDate":"2022-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45328651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A hormone-based therapeutic strategy to reduce non-productive period in anestrus buffaloes during breeding and non-breeding season under field conditions 在野外条件下,以激素为基础的治疗策略,以减少在繁殖期和非繁殖期的退情水牛的非生产期
IF 0.2 4区 农林科学
Buffalo Bulletin Pub Date : 2022-12-29 DOI: 10.56825/bufbu.2022.4143568
Mahantswamy  Kumarswamy Mallikerimath, S. Ghuman, Bilawal Singh
{"title":"A hormone-based therapeutic strategy to reduce non-productive period in anestrus buffaloes during breeding and non-breeding season under field conditions","authors":"Mahantswamy  Kumarswamy Mallikerimath, S. Ghuman, Bilawal Singh","doi":"10.56825/bufbu.2022.4143568","DOIUrl":"https://doi.org/10.56825/bufbu.2022.4143568","url":null,"abstract":"Sixty anestrus Murrah buffaloes were evaluated for the success rate of progesterone (P4) + estrogen (E2) + equine chorionic gonadotropin (eCG) protocol (Breeding season, BS=15; Non-breeding season, NBS=15) and estradoublesynch protocol (BS=15; NBS=15). The buffaloes subjected to P4+E2+eCG had higher (p>0.05) estrus induction response compared to estradoublesynch during BS (86.0 vs 80.0%, respectively) and NBS (73.3 vs 66.6%, respectively). Estrus period score at induced estrus in buffaloes subjected to either of protocols in BS or NBS was not different (p>0.05), however, pregnancy rate was lower (p<0.05) in buffaloes exhibiting <50 estrus period score in comparison to those exhibiting >50 score. Further, pregnancy rate (induced + spontaneous estrus) was better (p>0.05) using P4+E2+eCG compared to estradoublesynch protocol (73.3 vs 63.3%). In addition, the interval between start of a protocol and conception in P4+E2+eCG was less compared to estradoublesynch (p>0.05; 13.9±1.3 vs 17.5±3.1 days). In summary, P4+E2+eCG protocol is a better hormone-based strategy compared to estradoublesynch for anestrus buffaloes during breeding and non-breeding season under field conditions.","PeriodicalId":9393,"journal":{"name":"Buffalo Bulletin","volume":null,"pages":null},"PeriodicalIF":0.2,"publicationDate":"2022-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46147059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clinical management of hydramnios coupled with bull dog calf in a Jaffarabadi buffalo 贾法拉巴迪水牛羊水合并牛头犬小牛的临床处理
IF 0.2 4区 农林科学
Buffalo Bulletin Pub Date : 2022-12-29 DOI: 10.56825/bufbu.2022.4143653
R. Raval, K. Parmar, K. Vala
{"title":"Clinical management of hydramnios coupled with bull dog calf in a Jaffarabadi buffalo","authors":"R. Raval, K. Parmar, K. Vala","doi":"10.56825/bufbu.2022.4143653","DOIUrl":"https://doi.org/10.56825/bufbu.2022.4143653","url":null,"abstract":"A successful management of dystocia due to Hydramnios coupled with Bull dog calf in a Jaffarabadi buffalo was reported.","PeriodicalId":9393,"journal":{"name":"Buffalo Bulletin","volume":null,"pages":null},"PeriodicalIF":0.2,"publicationDate":"2022-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44081806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Detection of Theileria and Anaplasma spp. in carrier buffaloes (Bubalus bubalis) by polymerase chain reaction in Tamil Nadu, India 聚合酶链式反应检测印度泰米尔纳德邦水牛(Bubalus bubalis)中的泰勒氏菌和无浆体菌
IF 0.2 4区 农林科学
Buffalo Bulletin Pub Date : 2022-12-26 DOI: 10.56825/bufbu.2022.4143426
G. Ponnudurai, N. Rani, B. Rubinibala, Alagarsamy Alagesan, R. Saravanan
{"title":"Detection of Theileria and Anaplasma spp. in carrier buffaloes (Bubalus bubalis) by polymerase chain reaction in Tamil Nadu, India","authors":"G. Ponnudurai, N. Rani, B. Rubinibala, Alagarsamy Alagesan, R. Saravanan","doi":"10.56825/bufbu.2022.4143426","DOIUrl":"https://doi.org/10.56825/bufbu.2022.4143426","url":null,"abstract":"A total of 150 heparinised blood samples and equal number of blood smears were collected from buffaloes in three agro-climatic zones of Tamil Nadu viz., Cauvery delta, North - western and Southern zones to detect Theileria and Anaplasma by blood smear examination and Polymerase Chain Reaction. The blood smear examination revealed that none of animals were found to harbour any haemoprotozoan parasites. Whereas PCR detected Theileria and Anaplasma in 26.9% and 48.0%, and 10% and 15% of the animals, respectively in north- western zone and Cauvery delta, however no animal from south zone was detected positive for any protozoan. Besides, mixed infection of Theileria and Anaplasma was recorded in 8 (5.3%) animals. The analysis of data collected to determine the risk factors associated with occurrence of haemoprotozoan parasites revealed that the pure breed Murrah showed higher percentage of Theileria and Anaplasma positivity (30.7% and 46.1%) than non - descriptive breed (8.7% and 16.0%). The percentage of positivity of haemoprotozoan parasites was found to be higher among animals of 1 year, followed by 2 years and > 4 years of age.","PeriodicalId":9393,"journal":{"name":"Buffalo Bulletin","volume":null,"pages":null},"PeriodicalIF":0.2,"publicationDate":"2022-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42871798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on effect of various non-genetic factors on performance traits of Murrah buffaloes 各种非遗传因素对默拉水牛生产性能影响的研究
IF 0.2 4区 农林科学
Buffalo Bulletin Pub Date : 2022-12-26 DOI: 10.56825/bufbu.2022.4143157
Rana Partap Singh Brar, S. Kaur, N. Kashyap, C. S. Mukhopadhyay, P. Malhotra
{"title":"Study on effect of various non-genetic factors on performance traits of Murrah buffaloes","authors":"Rana Partap Singh Brar, S. Kaur, N. Kashyap, C. S. Mukhopadhyay, P. Malhotra","doi":"10.56825/bufbu.2022.4143157","DOIUrl":"https://doi.org/10.56825/bufbu.2022.4143157","url":null,"abstract":"In this study, the data was collected on production traits of Murrah buffaloes w.r.t. 1 to 4 parities for the period of 25 years maintained at Directorate Livestock Farm, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana. The effect of non-genetic factors viz; period of calving, season of calving, age at first calving and parity on daily milk yield were found to be significant and subsequently data were corrected to study the comparison of various lactation curve models to define the shape of lactation curve and to develop a suitable lactation curve model for Murrah buffaloes. The data used in the study pertained to 517293 daily milk yield records pertaining to 1524 lactations of 644 Murrah buffaloes sired by 213 bulls. The analysis was done using SAS 9.3 Least squares analysis. The period of calving showed significant (P<0.01) effect on 305 MY, complete lactation milk yield (CLMY), peak yield, lactation length and service period. The season of calving showed significant (P<0.01) effect on peak yield, lactation length and service period. The age at first calving showed significant (P<0.05) effect on peak yield. The parity showed significant (P<0.01) effect on 305 MY, complete lactation milk yield (CLMY), peak yield, lactation length and service period.","PeriodicalId":9393,"journal":{"name":"Buffalo Bulletin","volume":null,"pages":null},"PeriodicalIF":0.2,"publicationDate":"2022-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45890510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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