Oxygen (O2) consumption and carbon dioxide (CO2) excretion of ostrich embryos were studied on 45 ostrich eggs in various stages of development. A closed respirometry system was used for eggs subjected to ≤ 10 days of incubation, while an open flow system was used for older eggs. A total of 102 measurements were made and repeat measurements on the same egg were treated as independent during stat...

Ostrich raising around the world have some key factors and farming profit depend largely on information and ability of farmers to rear these animals. Non fertilized eggs from ostriches are discharged in the reproduction season. Staphylococcus aureus and Escherichia coli are microorganisms involved in animal and human diseases. In order to optimize the use of sub products of ostrich raising, non...

Abstract Present study was planned to determine variations in external and internal quality egg parameters of different avian species including ostrich Struthio camelus, ducks Anas platyrhynchos, chicken Gallus gallus, turkeys Meleagris gallopavo grey francolin Francolinus pondicerinus. All the birds were kept under similar rearing conditions. A total 150 eggs collected for each record features...

̇ ̇ Ž . Ž . We measured oxygen consumption V and carbon dioxide emission V rates, air-cell gas partial pressures of O CO 2 2 Ž . Ž . Ž oxygen P O and CO P CO , eggshell water vapour conductance and energy content of the ostrich Struthio A 2 2 A 2 ̇ . Ž . camelus egg, ‘true hatchling’ and residual yolk, and calculated RQ and total oxygen consumption V for ostrich O tot 2 ̇ eggs incubated at 36.5 C a...

An ostrich breeding flock, joined as individual breeding pairs (n = 136 pairs), was used to investigate the possibility of diagnostic ultrasonography as a method to predict the reproductive performance of ostrich females during a breeding season. Follicular activity was easily detected and quantified by using diagnostic ultrasonography. One to 8 follicles were recorded in 25% of females scanned...

In Pakistan, ostrich farming is becoming more popular as a means of obtaining inexpensive meat that also devoid cholesterol and other diseases when compared to chicken. the wild, ostriches dwell in flocks five fifty perform well captivity. Ostrich chicks' early development rate critical preparing bird for later growth up till slaughter mass. The original egg mass from which emerges determines h...

A digestibility study was conducted with 3, 6, 10, 17 week old and 30 month old ostriches. Metabolizable energy (ME) values and fat and neutral detergent fiber (NDF) digestibilities were determined. The formulated ME of the diet (chicken ME basis) was 1983 kcal/kg. The determined values with ostriches were: 3 weeks, 1731; 6 weeks, 2337; 10 weeks,2684; 17 weeks, 2739; and 30 months, 2801 kcal/kg...

High levels of hatching failure in artificially incubated ostrich eggs cause considerable loss income for the industry. During 2015 - 2016 breeding seasons, between 846 and 1 549 egg records were used to determine effect various setting positions during artificial incubation. Fresh placed trolleys be turned automatically through a 60-degree or 90-degree angle hourly setter. Additional treatment...