Impact of climatic variability on growth performance of Fogera cattle in Northwestern Ethiopia


  • Michael Abera Africa Center of Excellence for Climate Smart Agriculture and Biodiversity Conservation, Haramaya University, Haramaya, Ethiopia.
  • Mitiku Eshetu School of Animal and Range Sciences, Haramaya University, Haramaya, Ethiopia.
  • Yesihak Yusuf Mummed School of Animal and Range Sciences, Haramaya University, Haramaya, Ethiopia.
  • Fabio Pilla Department of Agriculture Environment and Food, University of Molise Via Francesco De Sanctis s.n.c. 86100 Campobasso, Italy.
  • Zewdu Wondifraw Department of Animal Sciences, Debre Markos University, Debre Markos, Ethiopia.



birth weight, heat stress, temperature-relative humidity index, weaning weight


This study aimed to assess the impact of climatic variability on the growth performance of the Fogera cattle at Metekel cattle breeding and multiplication ranch. About 15-years of meteorological data were collected from National Meteorological Agency. Then, the heat stress (HS) condition of the ranch location was calculated by the temperature-humidity index (THI). Moreover, all animals born and calves that were weaned from 2005 to 2019 were included in this study. Seasons and years of birth were fitted as predictors, while growth parameters were fitted as response variables. Data were analyzed by least-squares means analysis of variance using R software version 3.5.2 program. Moreover, a multiple linear regression model was also used. The trends in birth weight (BW) and weaning weight (WW) of calves were significantly decreasing along the study period. The result also indicated that the relative humidity and ambient temperature regression coefficient was negative for BW and WW. The Pearson correlation coefficient also indicated there was a negative relationship between growth parameters and climatic variables. When THI increases from 67 to 72, the BW and WW of the calves were decreased by 3.5 and 25 kg, respectively. However, the optimum THI for higher BW and WW was less than or equal to 67. The lower BW and WW of calves observed in this study is due to the cumulative effect of the climate conditions of the study area and herd management practices. Therefore, in any improvement to be made in the ranch, environmental factors should be considered along with necessary amelioration activities.


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Relationship between mean annual weaning weight of Fogera cattle and THI over the last 15-years (2005-2019).




How to Cite

Abera, M., Eshetu, M. ., Yusuf Mummed, Y. ., Pilla, F. ., & Wondifraw, Z. (2021). Impact of climatic variability on growth performance of Fogera cattle in Northwestern Ethiopia. Journal of Animal Behaviour and Biometeorology, 9(4), 2137.



Research Article