Experience and research demonstrated that the quality of the day-old chick has a big influence on the growth and final performance of the broiler. Describing and measuring chick quality is considered to be very difficult. Visual score, Tona or Pascar score, day-old chick weight and chick length are commonly used for measuring chick quality. Visual scoring include color of the chickens, navel qu...

Unabsorbed yolk sacs are being investigated as a possible reservoir for internal Campylobacter and salmonellae contamination of processed poultry carcasses. However, it is unknown at what frequency that unabsorbed yolk sacs persist at the time of processing of broilers and spent breeders. Seven sets of 100 broiler carcasses (at 6 or 8 wk of age) were obtained from commercial processing plants. ...

Abstract The experiment studied the effects of different levels Rumex patientia spp. leaf powder inclusion in laying hens’ diets on their physical parameters and yolk color intensity. study was conducted 168 Hy-line hens (30 weeks aged), assigned 3 treatment groups (C, E1 E2) housed an experimental hall equipped with Big Dutchman cages, placed tiers digestibility cages (3 treatments × 28 replic...

in this study, the effects of culban seed (vicia peregrine l.) on live body weight, feed intake, feed efficiency, egg production, egg quality characteristics, egg yolk fatty acid profiles and yolk cholesterol content in laying hens were investigated. the experiment consists of seven treatment groups with ten replications containing one laying hen in each and for 32 weeks old seventy laying hen ...

Currently, the egg industry is experiencing a shift in demand for eggs from cage-free environments. This study aims to evaluate quality parameters of white laid several different housing environments utilized industry. Egg battery cages, barren colony enriched cages and pens were compared. Overall, most found be across Battery produced heaviest with highest Haugh unit (p < 0.05). Cage-free h...

This study aimed to evaluate the introduction of cassava flour, moringa leaf meal and bocaiuva pulp in laying hens’ diets on egg quality. Nine hundred eggs from Dekalb® White hens between 34 54 weeks age rearing semi-intensive system were used experiment. The submitted following diets: 1 - diet control: maize soybean base diet; 2 with inclusion 18% root meal+4% pulp; 3 24% meal+6% 4 30% meal+8%...