Vol. 12, Special Issue 9 (2023)

Author(s):
Bharathi G, Dr. R Thiagarajan, Dr. Karthickeyan SMK, Dr. Tirumurugaan KG and Dr. Sesh PSL

Abstract:
Data on milk production traits such as total lactation milk yield (TLMY), lactation length (LL), peak milk yield (PMY), milk yield per day of lactation length (MY/LL) and milk yield per day of calving interval (MY/CI) of Punganur reared at Livestock Research Station (LRS), Palamaner, Chittoor, Andhra Pradesh in the course of time 1994 to 2016 were analysed to study the influence of environmental factors on these characteristics. The comprehensive least square averages for aggregate milk yield, lactation length, peak yield, milk yield per day of lactation length, milk yield per day of calving interval were 466.86±2.067 kg, 238.59±0.517 days, 2.72±0.184 kg, 1.96±0.015 kg and 1.032±0.0033 kg respectively. The effects of period, season and parity on the overall lactations production traits was significant (p≤0.01) except effect of season of calving on peak yield was observed in analysis of variance.