The Indian Journal of Animal Sciences最新文献

Adoption of dairy farming practices and productivity status of milch cows in the Union Territory of Puducherry 普度克里中央直辖区奶牛养殖方法的采用和奶牛的生产率状况

The Indian Journal of Animal Sciences Pub Date : 2024-07-11 DOI: 10.56093/ijans.v94i7.150359

P. A, G. S, S. N, S. T, V. S, U. L

{"title":"Adoption of dairy farming practices and productivity status of milch cows in the Union Territory of Puducherry","authors":"P. A, G. S, S. N, S. T, V. S, U. L","doi":"10.56093/ijans.v94i7.150359","DOIUrl":"https://doi.org/10.56093/ijans.v94i7.150359","url":null,"abstract":"Dairy farming plays a vital role in the sustainability of rural households particularly landless labourers. The study assessed the extent of adoption of dairy farming practices and production performance of milch cows based on the primary data collected from a field survey of 200 dairy farmers in U.T. of Puducherry. There was wide scale adoption for health care practices like FMD vaccination, deworming, ecto-parasitic control measures and breeding practices like AI. The feeding practices like use of mineral mixture, green fodder and compounded feed had low adoption rates. Awareness programmes on mineral mixture and feeding practices would enable farmers to get higher milk yield. Group farming for cultivation of green fodder in fallow lands and restoration of common grazing lands are suggested. In addition, training programs on green fodder cultivation with supply of high-yielding green fodder seeds/slips by the State Agriculture Department to dairy farmers owning land would encourage them to take up fodder cultivation. The Government may provide feed subsidies for concentrates to help farmers increase milk production. Veterinary infrastructure may be strengthened to ensure availability of sex-sorted semen to dairy farmers to have female calves. Awareness programmes on hygienic milk production with emphasis on udder hygiene would help to prevent mastitis and avoid economic loss. Regardless of economic status, all the farmers should be made eligible to avail subsidy for livestock insurance. Milk procurement prices of Cooperative Milk Society may be increased to enable dairy farmers realize more profit.","PeriodicalId":512390,"journal":{"name":"The Indian Journal of Animal Sciences","volume":"58 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141655519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Phenotypic characterization of distinct indigenous goats from Vindhyan region of Eastern Uttar Pradesh 印度北方邦东部温迪亚地区独特土著山羊的表型特征

The Indian Journal of Animal Sciences Pub Date : 2024-07-11 DOI: 10.56093/ijans.v94i7.149370

Priya Ranjan Kumar, Mahipal Choubey, Anshuman Kumar

{"title":"Phenotypic characterization of distinct indigenous goats from Vindhyan region of Eastern Uttar Pradesh","authors":"Priya Ranjan Kumar, Mahipal Choubey, Anshuman Kumar","doi":"10.56093/ijans.v94i7.149370","DOIUrl":"https://doi.org/10.56093/ijans.v94i7.149370","url":null,"abstract":"The present study was aimed to study the morphologic, morphometric, production and reproductive traits of the unexplored native goats from Vindhyan region of Eastern Uttar Pradesh. The data of 308 male and 590 female goats were collected from 45 villages and 449 farmers. The goats are managed under an extensive zero input production system by the poor and marginal farmers for their livelihood security since the time immemorial. These are small sized, black or brown coloured, and primarily raised for meat production. Head is straight to slightly convex, ears are flat, leafy and pendulous, and tail is bunchy and curved upward. Muzzle, eyelids and hooves are predominantly black and the horns are flat, curved and spiral with upward-backward-outward orientation. The average adult body weight was 31.34±0.38 kg in males and 28.78±0.12 kg in females. The means (cm) for body length, height at withers and chest girth were 66.41±0.34, 72.65±0.42 and 77.77±0.58, respectively, in adult males and 65.08±0.14, 69.22±0.24 and 74.35±0.16, respectively, in adult females. These goats are seasonal breeder with major breeding season from May to July and bred through natural service. Age at first estrus was ~9 months and age at first kidding was ~15 months. Twinning was common from second parity onwards. Milk production was found to be very low. The morphological appearance and morphometric measurement indicate that these indigenous goats are phenotypically distinct from the other goats of the adjoining area and can be registered as unique breed for better genetic management.","PeriodicalId":512390,"journal":{"name":"The Indian Journal of Animal Sciences","volume":"141 22","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141655983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Relationship of external genitalia measurement with antral follicular count and estrus induction response in pre-pubertal Murrah buffalo heifers 青春期前穆拉水牛母牛外生殖器测量与前列腺滤泡数和发情诱导反应的关系

The Indian Journal of Animal Sciences Pub Date : 2024-07-11 DOI: 10.56093/ijans.v94i7.145751

J. A, S. K. Phulia, Vikas Chaudhiry, Rajesh Kumar, Rakesh Kumar Sharma

{"title":"Relationship of external genitalia measurement with antral follicular count and estrus induction response in pre-pubertal Murrah buffalo heifers","authors":"J. A, S. K. Phulia, Vikas Chaudhiry, Rajesh Kumar, Rakesh Kumar Sharma","doi":"10.56093/ijans.v94i7.145751","DOIUrl":"https://doi.org/10.56093/ijans.v94i7.145751","url":null,"abstract":"This study was designed to deduce the inter-relationship between external genitalia measurement, antral follicular count (AFC) and body weight (BW) and evaluate estrus induction rate following the administration of clomiphene citrate in pre-pubertal Murrah buffalo heifers. For this study, twenty pre-pubertal heifers (age: 30–36 months; BW: 367±8.6 kg) were selected and their external genitalia along with their relative rima length (RRL) and vulval width (RVW) and AFC using trans-rectal ultrasonography were recorded. Two groups were studied: control (n=9) and treatment (n=11). Treated heifers were given clomiphene citrate at 300 mg/heifer orally for 9 days and in control group, placebo (copper sulphate tablets) were given and onset of cyclicity as well as estrus signs was detected at the end of the treatment. All the heifers showed signs of estrus, but none ovulated. Also, AFC differed between heifers with low and high RRL (6.5±0.44 vs 8.6±0.67) and RVW (6.53±0.47 vs 8.16±0.70). Likewise, BW was correlated with RRL and AFC with BW, RRL and RVW. Non-significant difference was observed between the two groups with respect to dominant and sub-ordinate I and II follicles’ size. Following clomiphene citrate supplementation, crestar treatment was administered to both groups resulting in pregnancy in control animals (n=2) and treated animals (n=6). In conclusion, this study showed that BW, external genital measurements and AFC are correlated and oral administration of clomiphene citrate failed to induce fertile estrus in pre-pubertal Murrah buffalo heifers.","PeriodicalId":512390,"journal":{"name":"The Indian Journal of Animal Sciences","volume":"76 19","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141658187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cross-sectional serological study to estimate foot-and-mouth disease virus non-structural protein antibodies in randomly sampled small ruminants and pigs in Haryana during 2019 and 2020 2019 年和 2020 年在哈里亚纳邦对随机抽样的小反刍动物和猪进行横断面血清学研究，以估计口蹄疫病毒非结构蛋白抗体的情况

The Indian Journal of Animal Sciences Pub Date : 2024-07-11 DOI: 10.56093/ijans.v94i7.143817

M. Rout, S. Dahiya, A. Lather, R. Aasarey, J. Tripathy, S. Subramaniam, J. Mohapatra, R. P. Singh

{"title":"Cross-sectional serological study to estimate foot-and-mouth disease virus non-structural protein antibodies in randomly sampled small ruminants and pigs in Haryana during 2019 and 2020","authors":"M. Rout, S. Dahiya, A. Lather, R. Aasarey, J. Tripathy, S. Subramaniam, J. Mohapatra, R. P. Singh","doi":"10.56093/ijans.v94i7.143817","DOIUrl":"https://doi.org/10.56093/ijans.v94i7.143817","url":null,"abstract":"Foot-and-mouth disease (FMD) is highly contagious and affects various cloven-hoofed animals including cattle, buffalo, sheep, goat and pig. This study investigates the prevalence of foot-and-mouth disease virus (FMDV) non- structural protein antibodies (NSP-Abs) as an indicator of past or recent FMDV exposure in small ruminants and pigs sampled randomly in Haryana state of India, during 2019 and 2020. Serum samples were collected from 440 goats, 440 sheep and 216 pigs in 2019, and 436 goats, 436 sheep and 218 pigs in 2020, representing all 22 districts of Haryana. Samples were tested using an in-house indirect 3AB3 NSP ELISA. The results revealed positive NSP- Ab rates of 26.36% in goats, 13.18% in sheep, and 5.09% in pigs in 2019, and 24.54% in goats, 14.22% in sheep, and 13.30% in pigs in 2020, indicating their previous exposure to FMDV. In contrast, the NSP-Ab prevalence in the bovine population of Haryana was lower, reported at 7.3% (179/2450) in 2019 and 4.4% (173/3930) in 2020. This indicates a higher rate of FMDV circulation in goats, sheep and pigs compared to bovines in the state during the study period. Given this reversal in infection dynamics, there is an urgent need to strengthen intensive active surveillance of FMD in the bovine population by screening oropharyngeal fluid samples to follow-up NSP reactors. Additionally, implementing routine six-monthly vaccination of small ruminants and pigs along with active surveillance in Haryana is recommended to control FMD and reduce disease transmission.","PeriodicalId":512390,"journal":{"name":"The Indian Journal of Animal Sciences","volume":"67 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141655627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Canine pyoderma histopathology: Insights and findings 犬脓疱病组织病理学：见解和发现

The Indian Journal of Animal Sciences Pub Date : 2024-07-11 DOI: 10.56093/ijans.v94i7.149428

Mohanambal Kaliyannan, S. Karlapudi, Lakshman Mekala, Dilip Kumar Nalmas

引用次数: 0

Effect of in ovo betaine supplementation during normal and early embryonic thermal conditioning on the hatchability as well as post-hatch performance in broiler chickens 在正常和早期胚胎热调节期间补充蛋内甜菜碱对肉鸡孵化率和孵化后性能的影响

The Indian Journal of Animal Sciences Pub Date : 2024-07-11 DOI: 10.56093/ijans.v94i7.143161

Madheswaran Monika, J. Rokade, Marappan Gopi, Mayur M. Vispute, N.S. Sonale, S. Bhanja

{"title":"Effect of in ovo betaine supplementation during normal and early embryonic thermal conditioning on the hatchability as well as post-hatch performance in broiler chickens","authors":"Madheswaran Monika, J. Rokade, Marappan Gopi, Mayur M. Vispute, N.S. Sonale, S. Bhanja","doi":"10.56093/ijans.v94i7.143161","DOIUrl":"https://doi.org/10.56093/ijans.v94i7.143161","url":null,"abstract":"Two separate experiments carried out to study effect of in ovo betaine supplementation during normal as well as elevated incubation condition on post-hatch broiler performance. In experiment 1, fertile eggs (400 nos) incubated under 4 different groups and standard hatchery parameters were noted. In ovo administration of betaine was carried out on 18th day at the rate of 20 mg (T1 ), 40 mg (T2), 60 mg (T3) and 0 mg (T4) dissolved in 0.1 ml of PBS/egg. In experiment around 400 eggs were injected betaine at (T1), 50 (T2), PBS at 0.1 ml (T3) and µn-injected control (0 mg) (T4). In ovo injection was carried out at 10th day of incubation as per standard protocol. After 48 h following betaine injection (12th day), the setter temperature had increased to 103±0.5°F from for 99±1°F in all the groups for a period 5 days (12 to 17 days of incubation). Chicks were hatched out and transferred to experimental house by maintained them in respective groups and distributed evenly into six replicates in each group. The in ovo betaine supplementation did not affect the hatchability percentage, hatch weight but improved the starter phase production performance. However, in ovo betaine administration followed by thermal conditioning adversely affected the hatchability percentage. The post hatch performance, i.e. production, immunity and serum biochemical profile were comparable among all the treatment groups. In conclusion, the overall production of broiler chicken during early phase of life can be positively improved by in ovo betaine supplementation with normal incubation temperature.","PeriodicalId":512390,"journal":{"name":"The Indian Journal of Animal Sciences","volume":"61 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141658247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Efficacy of different plastination techniques in lungs of goat: A comparative morphometric study 山羊肺部不同塑化技术的功效：形态计量学比较研究

The Indian Journal of Animal Sciences Pub Date : 2024-07-11 DOI: 10.56093/ijans.v94i7.151209

Roop Kiran, N. Bansal, R. S. Sethi, V. Uppal, Anuradha Gupta

{"title":"Efficacy of different plastination techniques in lungs of goat: A comparative morphometric study","authors":"Roop Kiran, N. Bansal, R. S. Sethi, V. Uppal, Anuradha Gupta","doi":"10.56093/ijans.v94i7.151209","DOIUrl":"https://doi.org/10.56093/ijans.v94i7.151209","url":null,"abstract":"The study was conducted on apparently healthy caprine lungs to evaluate the efficacy of different plastination techniques by gross biometrical and morphological analysis of the formalin fixed and plastinated specimens. The gross biometrical analysis was made on all the formalin fixed lungs and after that the samples were divided as Group I and Group II with 6 animals in each group. In method I, after proper fixation, the specimens were dehydrated in three changes of acetone (two weeks each), then impregnated in two changes of glycerol for 15 days each and cured in muslin cloth containing corn starch. In method II, modified plastination solution was used as impregnation solution. The plastinates prepared by method I were soft to touch, odorless, the elasticity and colour of lung tissue was near normal, whereas the lungs plastinated by method II were hard to touch and their color turned to whitish grey. The biometric data showed that the shrinkage in weight of lungs was 47.99% in method I and 85.46% in method II. The shrinkage in length of apex to base of right lung was 14.36% and that of left lung was 16.18% by method I. In method II, the length from apex to base was reduced to be 35.84% and 34.83 in right and left lungs, respectively. It was concluded from present study that the plastinated glycerine specimens (Method I) showed lesser deviations from their near natural state as compared to the plastinates prepared by Indigenous method (Method II). The shrinkage was more evident in plastinates prepared Indigenous method (Method II) than by glycerine method (Method I). So, it is recommended that glycerine method of plastination should be preferred to any other method of plastination.","PeriodicalId":512390,"journal":{"name":"The Indian Journal of Animal Sciences","volume":"140 37","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141656196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Prediction models for live body weight and body compactness of Criollo sheep in Huancavelica Region, Peru 秘鲁万卡维利卡地区克利奥洛绵羊活体体重和体质紧实度的预测模型

The Indian Journal of Animal Sciences Pub Date : 2024-07-11 DOI: 10.56093/ijans.v94i7.148186

José P Contreras, A. G. Cordero, Y. C. Rojas, J. N. Carhuas, J. Curasma, P. Mayhua, K. Salazar

{"title":"Prediction models for live body weight and body compactness of Criollo sheep in Huancavelica Region, Peru","authors":"José P Contreras, A. G. Cordero, Y. C. Rojas, J. N. Carhuas, J. Curasma, P. Mayhua, K. Salazar","doi":"10.56093/ijans.v94i7.148186","DOIUrl":"https://doi.org/10.56093/ijans.v94i7.148186","url":null,"abstract":"This study aimed to identify the phenotypic correlations between live weight (LW), zoometric characteristics, and indices in Criollo sheep to develop prediction equations for LW and body compactness. The independent variables included live weight (LW), body length (BL), withers height (WH), chest depth (CD), chest width (CW), chest circumference (CC), muscle circumference (MC), loin width (LW), and loin length (LL). Additionally, body volume (BV), body index (BI), and body compactness (BC) were determined based on zoometric measurements. The evaluations involved 111 male and female sheep aged between 4 and 6 years, data collection took 3 months, from March-May, 2023. The correlations between the characteristics and LW were positive and statistically significant, except for MC. Criollo sheep were classified as brachylines based on the BI value of 69.16±7.20. Substantial and strong correlations were found between BI, BC1, BC2, BC3, and live weight. Prediction equations were developed to estimate live weight using chest circumference, with the quadratic equation proving the most efficient. When body volume was considered a predictor, the cubic equation (R2=0.46) demonstrated better accuracy in predicting live weight. The multiple regression equation incorporating live weight and body length achieved a superior fit (R2=0.99) in predicting the body compactness of sheep. This equation is recommended for its accuracy, practicality, and ease of use.","PeriodicalId":512390,"journal":{"name":"The Indian Journal of Animal Sciences","volume":"125 32","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141657099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Growth performance, serum biochemical parameters, serum corticosterone level and intestinal histomorphology in broiler chicken supplemented with Kaempferia galanga and Curcuma longa 添加山奈和莪术的肉鸡的生长性能、血清生化指标、血清皮质酮水平和肠道组织形态学研究

The Indian Journal of Animal Sciences Pub Date : 2024-07-11 DOI: 10.56093/ijans.v94i7.147105

M. Reshma, P. Aswathi, C. J. Beena, V. Jess, Raghavendra, K. Arun

{"title":"Growth performance, serum biochemical parameters, serum corticosterone level and intestinal histomorphology in broiler chicken supplemented with Kaempferia galanga and Curcuma longa","authors":"M. Reshma, P. Aswathi, C. J. Beena, V. Jess, Raghavendra, K. Arun","doi":"10.56093/ijans.v94i7.147105","DOIUrl":"https://doi.org/10.56093/ijans.v94i7.147105","url":null,"abstract":"The study was conducted to evaluate the individual as well as synergistic growth promoting effects of K. galanga and C. longa in broiler chicken. Total 150 Vencobb 430Y chicks were grouped into four treatments (T1 to T4). The birds of T2 and T3 were supplemented with K. galanga at a level of 25 g/kg of feed and C. longa at 1.9 g/kg of feed respectively, and the birds of T4 were supplemented with a combination of K. galanga (62.5 mg/kg) and longa (0.38 mg/kg). The weekly body weight, cumulative feed intake and feed conversion ratio were evaluated. On forty-second day, three birds from each treatment were humanely slaughtered and the carcass characteristics, serum biochemical values, serum corticosterone level and intestinal histomorphology were studied. Significantly better growth-promoting activities in terms of body weight, FCR and carcass characteristics were exhibited by birds from treatments fed with K. galanga alone and its combination with C. longa. No significant difference could be observed in serum biochemical parameters and corticosterone level, but significantly higher villi-to-crypt ratio was observed in K. galanga fed alone and combination fed groups. All these data are indications of the growth-promoting efficiency of K. galanga alone and its combination with C. longa in broiler chicken. A combination of these two herbs [K. galanga (62.5 mg/kg) and C. longa (0.38 mg/kg)] can thus be recommended for commercial broiler chicken considering the economic feasibility in terms of higher body weight gain and low cost of herbal additives.","PeriodicalId":512390,"journal":{"name":"The Indian Journal of Animal Sciences","volume":"129 24","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141656456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Sikkimese yak: Characterization of a yak population in Peril 锡金牦牛濒危牦牛种群的特征

The Indian Journal of Animal Sciences Pub Date : 2024-07-11 DOI: 10.56093/ijans.v94i7.131681

R. A. K. Aggarwal, A. Kour, Tenzing Lobsang Bhutia, R. S. Gandhi, K. Bhutia

{"title":"Sikkimese yak: Characterization of a yak population in Peril","authors":"R. A. K. Aggarwal, A. Kour, Tenzing Lobsang Bhutia, R. S. Gandhi, K. Bhutia","doi":"10.56093/ijans.v94i7.131681","DOIUrl":"https://doi.org/10.56093/ijans.v94i7.131681","url":null,"abstract":"Yak population of Sikkim currently stands at 5,219 heads and is reared by the nomadic pastoral community called Dokpa. This population has not been characterized till date and further, if not conserved, this valuable germplasm may become unavailable for utilization. In an attempt to address this issue, a survey was conducted in order to enable phenotypic characterization of the population and to judge its eligibility as a distinct breed. Sikkimese yaks generally have black body coat with broad convex head and upward pointing curved horns and are reared in a typical transhumant fashion. The daily milk yield in the animals averages around 1.44±0.09 kg with peak yield of 1.95±0.15 kg and lactation length of seven (6.77±0.39) months. Average age at first mating and first calving in females is 42.60±0.92 and 51.55±0.93 months, respectively whereas average age at first mating in bulls is 47.82±0.37 months. These animals can work for 5.5 h per day and are extremely tolerant to cold and drought conditions. Due to the pastoral nature of this occupation, winter feed crisis, climate change events and unscientific husbandry practices threaten the existence of this unique population. Hence, characterization and registration of yak population would be the first step for conservation and sustainability of this unique germplasm.","PeriodicalId":512390,"journal":{"name":"The Indian Journal of Animal Sciences","volume":"130 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141656617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0