conditions throughout the test. The hens were provided nutrients to meet the needs of all the hens based upon compilation of the breeder recommendations. The eggs from these strains were collected every 28 days from the previous 24 hrs production. Once collected the quality and compositional properties of the eggs such as pH, solids, whipping height, Haugh units and angel food cakes were evalua...

The continuous improvement of quality of animal products and the animals themselves is one of the responsibilities we share as geneticists. As increases in human populations increase worldwide, the pressure to increase production of foodstuffs becomes more and more intense. Most notably, we have focused a tremendous effort at improving production of domestic animals. Among the meat-animal speci...

A study was conducted with male and female adult broiler breeders to determine the effect of feeding a fish oil supplement on selected immune activities. The fish oil was added to the diet such that the n-6:n-3 ratios could meet certain levels. Four hundred Ross 308 broiler breeder hens and 48 Ross 308 broiler breeder roosters at 30 wk of age were randomly assigned to diets containing 3.5% fat ...

BACKGROUND Florfenicol, a commonly used veterinary antibiotic, was reported to have caused a severe drop in egg hatchability following its off-label use on a broiler breeder farm in South Africa. According to the pharmacovigilance report, hatchability dropped by 80 % for up to a week following a five day course at 10 mg/kg (both males and females treated metaphylactically) to manage an Escheric...