Manvendra Singh

Krishi Vigyan Kendra, Ghatkhed Amravati

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G S AMBHORE

National Dairy Research Institute

Saroj Kumar Sahoo

Sambalpur University

Ashok Kumar Gupta

Delhi Technological University

A. K. Chakravarty

National Dairy Research Institute

Avtar Singh

San Jose State University

Shakti Kant Dash

Guru Angad Dev Veterinary and Animal Sciences University

Avtar Singh

Punjab Agricultural University

Ved Prakash

National Research Centre on Camel

D. K. Deokar

Mahatma Phule Krishi Vidyapeeth

Mohsin Ayoub Mir

Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir

Cooperative Institutions

National Dairy Research Institute

Indian Council of Agricultural Research

Banaras Hindu University

Guru Angad Dev Veterinary and Animal Sciences University

Institute of Management Technology

Krishi Vigyan Kendra, Ghatkhed Amravati

National Bureau of Animal Genetic Resources

Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir

Indian Veterinary Research Institute

Central Agricultural University

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Restricted selection indices for milk yield and growth of kid goats in Iraq.

J. E. Alkass H. N. Hermiz A. A. Al-Rawi Manvendra Singh

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Citations (1)

Effects of annual and biennial applications of phosphorus and potassium fertilizer and farmyard manure on yields of potato tubers, on nutrient uptake and on soil properties

The Journal of Agricultural Science (1980)

R. C. Sharma J. S. Grewal Manvendra Singh

Summary A long-term manurial experiment on potatoes was initiated in 1970 on the acidic brown hill soil of Simla to study the effects of fertilizers supplying per hectare: 44 kg P (P 44 ); 44 kg P and 125 K (P 44 K 125 ) and 88 kg P with 125 kg (P 88 K 125 ) and of farmyard manure (FYM) supplying 44 kg P/ha applied annually and biennially. The potatoes gave large responses to all the manures. The annual or biennial effects of FYM measured in years of application were as great as that of P and K fertilizer in increasing tuber yield and K uptake by tubers but FYM increased P uptake more than fertilizers did. FYM applied each year gave largest uptake of P. P 88 treatment was not better than P 44 treatment. The residual effects of the manures on yield were measured in years when the treatments were not applied; the residual effects of FYM were higher than those of fertilizers. Mean residual effects of the treatments on P uptake were 46% and 51% of their annual or biennial effects respectively. About 90% of P added to the soil was not taken up by the crops and was present in the forms of aluminium-bound P, iron-bound P and calcium-bound P in this descending order. The residual effects of the treatments on K uptake were about 84% of their annual or biennial effects. About 60% of K applied to the soil was not taken up by the crops and most was present in exchangeable form. Annual applications of all the manures were better than their biennial applications indicating that residual effects built up from three applications over 6 years were too small to sustain yields. Soil analyses made 6 years after the start of the experiment showed that FYM was a better source of P than single superphosphate in increasing soil available P. FYM also increased soil exchangeable K more than the K fertilizer did. The highest increase in available P and K in soil was from annual applications of manures. Biennial applications of P as superphosphate or FYM resulted in P accumulating in the soil, while biennial K fertilizer dressings did not increase exchangeable K; however, biennial FYM did increase exchangeable K. Using P alone reduced soil available K. FYM increased pH, organic carbon and total N in soils while P and K fertilizer increased only the pH.

Hectare

Potash

Farmyard manure

10.1017/s0021859600028525

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Citations (11)

Phenotypic, genetic and environmental trends of production traits in Phule Triveni synthetic cow

The Indian Journal of Animal Sciences (2017)

G S AMBHORE Avtar Singh D. K. Deokar Manvendra Singh Saroj Kumar Sahoo

The research data spread over a period of 37 years (1976 to 2012) were utilized to study the production traits, viz. first lactation 300 day milk yield (FL300DMY), first lactation total milk yields (FLTMY), first lactation length (FLL) and first dry period (FDP). The 493 first lactation performance records of Phule Triveni cows reared at Research Cum Development Project on Cattle, Mahatma Phule Krishi Vidyapeeth (MPKV), Rahuri was used to investigate the effect of environmental factors on first lactation production traits. Phenotypic, genetic and environmental trends were estimated using Smith II (SM-II) and best linear unbiased prediction (BLUP) methods in these traits. The estimated annual phenotypic, genetic and environmental trends were -20.70 ± 1.42 kg, 33.38 ± 48.99 kg (SM-II) and 1.31 ± 0.60 kg (BLUP) and - 54.08 ± 49.01kg (SM-II) and -22.01 ± 1.58 kg (BLUP) for FL300DMY, - 21.01 ± 4.18, 21.35 ± 60.09 kg (SM-II) and 2.15 ± 0.73 kg (BLUP) and - 42.36 ± 60.23 kg(SM-II) and - 23.16 ± 4.24 kg(BLUP) for FLTMY, - 0.44 ± 0.30 days, 4.27 ± 4.94(SM-II) and 0.09 ± 0.13(BLUP) days for FLL, 0.98 ± 0.24 days, - 0.99 ± 3.58(SM-II) and - 0.11 ± 0.08 (BLUP) days, 1.97 ± 3.59 (SM-II) and 1.09 ± 0.25(BLUP) days for FDP, respectively. The genetic trends for most of the production traits were positive except FDP revealing desirable improvement in performance traits over time.

10.56093/ijans.v87i6.71173

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Performance appraisal and genetic parameter estimation of all lactation traits in Karan fries cattle

Indian Journal of Animal Research (2016)

Shakti Kant Dash Ashok Kumar Gupta Avtar Singh A. K. Chakravarty Manvendra Singh

Present investigation comprehends the study of the effect of genetic and non-genetic factors and estimation of genetic parameters of Karan Fries cattle with respect to production and reproduction traits across all lactations. Data consisted of a total of 5878 lactation records on 1988 cows over a period of 32 years (1981 to 2012), maintained at ICAR-NDRI, Karnal. Overall least-squares means for CFS(days), SP(days), LL(days), CI(days), 305MY(kg), TMY(kg), MY/LL(kg/days), MY/CI(kg/days) and DPR were found to be 78.21±1.59, 115.46±2.14, 326.57±2.60, 403.91±2.54, 3634.78 ± 30.91, 3976.77 ± 41.03, 12.19 ± 0.08, 10.28 ± 0.08 and 0.37 ± 0.80, respectively. Both production and fertility traits were significantly affected by different factors viz. season of calving, period of calving, parity and genetic group. LSANOVA heritability estimates of SP, CI, LL, CFS, DPR, 305MY, TMY, MY/LL, MY/CI were 0.18±0.08, 0.15±0.07, 0.11±0.05, 0.10±0.09, 0.07±0.07, 0.39±0.09, 0.26±0.07, 0.35±0.08 and 0.42±0.10, respectively. Heritability estimates indicated that fertility traits were less affected by additive gene action. Genetic correlation estimates indicated unfavourable positive correlation between fertility and production traits.

Genetic correlation

Parity (physics)

10.18805/ijar.v0iof.4565

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Citations (2)

Effect of Non-Genetic Factors on Milk Yield and Composition Traits of Sahiwal Cattle at Organized Dairy Farm

International Journal of Livestock Research (2019)

Manvendra Singh Mohsin Ayoub Mir Ashok Kumar Gupta I. D. Gupta

10.5455/ijlr.20191102092223

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First lactation production and reproduction performance of Phule Triveni cattle in hot arid region of Maharashtra

The Indian Journal of Animal Sciences (2017)

G S AMBHORE Avtar Singh D. K. Deokar Atul Gupta Manvendra Singh

The present investigation was carried out to study the effects of genetic and non-genetic factors on first lactation production and reproduction traits of 493 Phule Triveni cattle sired by 55 bulls during 1976-2012 maintained at Research-Cum Development Project on Cattle, Mahatma Phule Krishi Vidyapeeth Rahuri, District Ahmadnagar, Maharashtra, India. The average FLTMY was 2855.40±42.67 kg with an average FLL 331.03±3.01 days and the FL300DMY was found to be 2646.77±39.30 kg. The average AFC, FCI, FSP and FDP was 985.41±1.93, 430.32±4.01, 151.07±5.10 and 93.45±2.84 days, respectively. The effect of season of calving was found to be non-significant on all production and reproduction traits except FL300DMY which was affected significantly. However, the effect of period of calving was found to be highly significant on all production and reproduction traits except FSP on which effect was found to be significant. The effect of the sire was found to be significant on FL300DMY, FDP and AFC. The heritability (h2) estimates for production and reproduction traits were found to be moderate to high. The highly significant genetic and phenotypic correlation was found between production and reproduction traits. The present investigation revealed that FLTMY, FL300DMY and AFC could be improved through selection and can be used for further improvement programmes.

Sire

Genetic correlation

10.56093/ijans.v87i1.66919

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Citations (6)

Smart Functionalised-Dendrimeric Medicine in Cancer Therapy

CRC Press eBooks (2021)

Vijay Mishra Manvendra Singh Pallavi Nayak

In current drug delivery systems, dendrimeric medicines are rising as an effective and attractive approach in cancer therapy. Dendrimers are highly branched smart nanocarriers, which yield a high degree of control over dendritic architectural synthesis and release one or more therapeutic drugs to the targeted cells. Furthermore, the functional groups are present on the outer surface of dendrimers, which provide information of drug moieties that can actively target the tumour. Dendrimers exhibit less cytotoxicity, enhanced retention, high permeability rate, bio-distribution and absorption of drugs. Their unique properties result in controlled and targeted drug delivery. The stimulus-responsive dendrimers enable the release of drugs only in response to a particular signal. Such stimuli may be natural in nature (enzyme, acid and redox potential) and introduced externally via temperature and light. Such smart functionalities synergise dendrimer targeting and allow more effective as well as safe distribution of dendrimer-based anticancer drug formulations.

Cancer Therapy

Cancer Medicine

10.1201/9781003029915-13

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Citations (2)

Effect of heat stress on reproductive performances of dairy cattle and buffaloes: A review

Veterinary World (2016)

Soumya Dash A. K. Chakravarty Avtar Singh Arpan Upadhyay Manvendra Singh

Heat stress has adverse effects on the reproductive performances of dairy cattle and buffaloes.The dairy sector is a more vulnerable to global warming and climate change.The temperature humidity index (THI) is the widely used index to measure the magnitude of heat stress in animals.The objective of this paper was to assess the decline in performances of reproductive traits such as service period, conception rate and pregnancy rate of dairy cattle and buffaloes with respect to increase in THI.The review stated that service period in cattle is affected by season of calving for which cows calved in summer had the longest service period.The conception rate and pregnancy rate in dairy cattle were found decreased above THI 72 while a significant decline in reproductive performances of buffaloes was observed above threshold THI 75.The non-heat stress zone (HSZ) (October to March) is favorable for optimum reproductive performance, while fertility is depressed in HSZ (April to September) and critical HSZ (CHSZ) (May and June).Heat stress in animals has been associated with reduced fertility through its deleterious impact on oocyte maturation and early embryo development.The management strategies viz., nutrition modification, environment modification and timed artificial insemination protocol are to be strictly operated to ameliorate the adverse effects of heat stress in cattle and buffaloes during CHSZ to improve their fertility.The identification of genes associated with heat tolerance, its incorporation into breeding program and the inclusion of THI covariate effects in selection index should be targeted for genetic evaluation of dairy animals in the hot climate.

Heat index

10.14202/vetworld.2016.235-244

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Citations (212)

Comparison of different lactation curve models in Sahiwal cattle up to fourth parity using monthly test day milk yields.

Atul Gupta R. S. Gandhi Manvendra Singh Avtar Singh Ved Prakash

In present study data of 6391 monthly test day milk yield (MTDMY) records of first lactation pertaining to 691, 4048 MTDMY records of second lactation pertaining to 454, 3013 MTDMY records of third lactation pertaining to 340 and 2280 MTDMY records of fourth lactation pertaining to 249 Sahiwal cows, spread over a period of 51 years (1961- 2011), maintained at NDRI, Karnal were used to compare different lactation curve models. The five different models viz. inverse polynomial function, Wilmink’s exponential function, gamma type function, quadratic cum log function and mixed log function were fitted on MTDMY by statistical package SAS version 9. The relative efficiency of the models was determined on the basis of the higher value of coefficient of determination (R 2 -value) and lesser value of root mean square error (RMSE). The R 2 values ranged from 72.96% (0.154 kg) for Wilmink’s function in first lactation to 99.98% (0.0.043 kg) for inverse polynomial function in third lactation with RMSE values in parentheses. The R 2 value for different lactation curve models showed that the inverse polynomial function gave best fit; whereas Wilmink’s function was found to be least fit in Sahiwal cattle. Hence it can be concluded that inverse polynomial function is the model of choice for estimating the trend of milk production in Sahiwal cattle.

Parity (physics)

Inverse function

10.5146/ijds.v69i4.55584

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Citations (3)

Association of polymorphisms in exon 6 and 3′-untranslated region of the OLR1 gene with milk production traits in Sahiwal cattle

Journal of Applied Animal Research (2023)

Mohsin Ayoub Mir Tavsief Ahmad I. D. Gupta Ankit Magotra Arun Pratap Singh

The present investigation was undertaken to explain the association of SNPs (single nucleotide polymorphisms) in exon 6 and 3′-UTR of OLR 1 gene with milk traits in Sahiwal cattle. Milk traits were observed from 328 Sahiwal cows sired by 64 bulls viz: – First lactation 305 days milk yield (Kg) (FL305MY), Average test day milk yield (Kg) (ATDMY), Average test day fat percentage (%) (ATDFP) and Lactational fat yield (Kg) (LFY). The animal model was used to estimate the breeding values for FL305MY and LFY. The traits ATDMY and ATDFP were corrected for significant non-genetic factors by using LSML-Harvey and subsequently used for association studies. A total of 130 animals for PCR-RFLP and 103 for sequencing were screened through three sets of primers for the presence of polymorphisms in exon 6 and 3′-UTR of the OLR1 gene. The CC genotype of SNP C337A in the 3′-UTR of OLR1 gene had a significant effect (p < 0.01) on ATDFP and LFY. Allele combination CGC had a positive effect (p < 0.05) on ATDFP. Identified SNP C337A and CCGGCC haplotype can be used as potential markers for improving milk yield and composition traits in Sahiwal cattle.

Genetic Association

SNP

10.1080/09712119.2023.2167822

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Citations (1)