Dhund means a heap of ruins, and Dhundai and Dibai are very near each other in sense if not in sound. Crooke also gives the word Dungar, a hill, and hence the name Dongara . . . . Lalitpur . . 468 or, as spelt in the Urdu column, Dungara, ...
During the oestrus cycle in the pig there does not appear to be distinct follicular waves as in cows; it has been proposed that the final growth of follicles to ovulatory size takes 19 days. The luteal phase is characterised by the secretion of progesterone from of the corpus luteum.
The estrus (heat) cycle during the spring and summer lasts and average of 21 days. That is during each 21 day period one egg is ovulated. For an average of 5 days during that period the mare is receptive to stallions.This referred to as in or showing heat.Ovulation takes place approximately 24 hours prior to the end of the heat period. The mare is then unreceptive for the next 16 days followed by another heat period if the egg is not fertilized.The rest of the article will describe the hormonal changes that occur during the estrus cycle.vulation takes place approximately 24 hours prior to the end of the heat period. The mare is then unreceptive for the next 16 days followed by another heat period if the egg is not fertilized. The rest of the article will describe the hormonal changes that occur during the estrus cycle.