Ambient temperature and relative humidity showed a direct effect on breeding efficiency. Heat stress reduces the intensity and duration of oestrus at temperature-humidity index (THI)>25 in hot and ......

Rabbit production in the hot climate regions, is adversely affected by: exposure to heat stress, nutritional inadequacies, drinking saline water, diseases and parasites, high mortality, harsh treatment and lack of technical skill....

In the sub-tropical hot region, the sheep are either fat- or thin-tailed. The fat-tailed sheep represent about 20-25% of the world’s sheep population and are concentrated mainly in the very dry parts of Africa, the Middle East and Asia, although they are raised in many countries throughout the world....

It is a fact that the camel is the only domestic animal species that can survive under the severe desert conditions. This is due to the modification occurred to suit survival in the harsh conditions prevailing in the deserts....

In the Middle East sub-tropical countries, many batches of Friesians have been introduced, either from Holland and Germany (as Friesian) or from the U.S.A. (as Holstein Friesian), during the last decades....