Comparative Study on Milk Production Dynamics and Precocity in Brown Cows of Brown Swiss Type and Romanian Spotted Cows of Fleckvieh Type

Abstract

The aim of this study was to assess the milk production dynamics in one dairy farm rearing both Brown and Romanian Spotted breed cows. The study was carried out at the Research and Development Station for Bovine Raising Arad, on 321 lactations obtained from Romanian Spotted cows and 117 lactations from Brown cows. These lactations were classified according to the age of cows in first, second, third, fourth and fifth lactation. The milk yield in the first lactation was the lowest both in Romanian Spotted and Brown cows (5745.86 kg and 7117.00 kg, respectively), while the maximum milk yield per lactation was produced in the fourth lactation by the Romanian Spotted cows (6692.81 kg) and in the fifth lactation by Brown cows (7898.19 kg). Romanian Spotted cows produced 85.85% milk in the first lactation from the maximum lactation, while the Brown cows produced 90.11% in the first lactation from the highest lactation. There was concluded that there are differences regarding the precocity for milk production and the dynamics from one lactation to another between the two breeds.

Keywords

• brown
• cows
• milk production
• precocity
• romanian spotted