Chandrakala, V.Sinniah, J.2020-09-022020-09-022002/2003Tropical Agriculturist, 154:p.43-50https://dl-doa.nsf.gov.lk/handle/1/2601AgricultureLivestock industrySahiwal cattleAnimal breedingCrossbreedingCalving intervalLactation lengthMilk yieldPerformance of Sahiwal cattle at Nikawaretiya farm, Sri LankaArticle