Many animals breed in large mating aggregations, where males must rapidly discriminate between prospective mates and rivals. Selection may favour features that facilitate rapid discrimination in these aggregations. The explosively breeding Neotropical Yellow Toad, Incilius luetkenii, exhibits a rapid and dramatic colour change; males change from a cryptic brown to a conspicuous lemon yellow for...

The procedures and practices associated with milking are critically important and people now-a-days are switching over to machine milking to save time and money. Milking equipments if properly maintained have a positive impact on both milk production and milk quality. However, if the equipments are not used as per the recommended standard values it may have some untoward effects on udder health...

Alder wood (Alnus glutinosa L.) was steamed with a saturated steam-air mixture at temperature of t = 95 °C, or steam 115 °C and 135 to obtain pale brown colour, light red-brown colour dark brown-grey colour. Subsequently, samples unsteamed alder were irradiated UV lamp in Xenotest Q-SUN Xe-3-HS after drying order test the stability wood. The change surface evaluated by means measured values on ...