Dhillon, J. S.Singh, Gurnam2019-08-142019-08-14197236694.pdfhttp://krishikosh.egranth.ac.in/handle/1/5810121610The author expresses his heartfelt gratitude, obligation and indebtedness to Dr . J . S. Dillon, Associate Professor of Cattle Br needing, Punjab Agricultural Uni verity, Ludhiana for his judicious guidance , constructive criticism, valuableennullPhenotypic, Genetic and Environmental inter-relationships among age and weight at first calving and first lactation milk yield in BuffaloesThesis