الفهرس | Only 14 pages are availabe for public view |
Abstract This study was carried out on private dairy farms at El. Ramses project at El salehia Elgedida. Sami Asaad dairy farm at Abu-Hammad city This work included five experiments: 1- First experiment: Studying the behaviour of dairy cows under two housing systems. The obtained results in this experiment indicated the following: 1- The loose housed dairy cows spent more time (min.) and frequency in eating, drinking and rumination than the tied dairy cows (p~ 0.05). 2- The loose housed dairy cows spent more time (min.) in urination and defecation than tied dairy cows (p~ 0.05). 3- There was a significant difference (p~ 0.05) in standing, lying time, frequency between loose housed dairy cows and the tethered one. As the loose dairy cows spent less time in these activities. 4- There was a significant difference (p~ (’).05) in time, frequencies of grooming and aggression between loose housed dairy cows and tied dairy cows, as the loose housed dairy cows had more time and frequencies in grooming behaviour and more time and frequency in aggressive behaviour than tied one. |