In pheasants, which are generally raised in large flocks, stocking density is important for their growth and development, normal behavior and welfare. But there is still a lack of information on the optimum stocking density for game birds. This research was conducted on a total of 200 pheasants to examine the effects of low (5 pheasant/m²) and high (10 pheasant/m²) stocking density rearing practices on body weight, morphological development, behavioral characteristics and welfare parameters such as foot-pad dermatitis and plumage quality. When we look at the study results, it was determined that the density of stocking did not make a difference in the first 13 weeks of age, but pheasants reared at low density at the ages of 14–16 weeks reached higher body weight. In terms of body weight at 14, 15, and 16 weeks, the low stocking density group had an average of approximately 41, 71, and 94 g higher than the high stocking density group, respectively (p<0.05). It had been found that low density provides better morphological development. The low group was found to be significantly higher than the high group in terms of ornithological size, wingspan, back length, tail length, head length and head width, 5.9 cm, 2 cm, 1.3 cm, 7.6 cm, 1.7 mm and 1 mm, respectively (p<0.05). Since the animals in the low group had more individual space, they had the opportunity to perch and therefore exhibit more passive behavior. On the other hand, pheasants in the low group exhibited higher levels of aggressive behavior (p<0.05). More foraging behavior was observed in the higher group and the low-density group consumed more feed in the 14^th week (p0.05). A 1.12 point higher score was calculated in the low group compared to the high group, especially in terms of tail feather quality, and as a result, pheasants reared in low stocking density had better plumage quality (p<0.05). It had been determined that as the stocking density decreases in the rearing of pheasants, they exhibit easier flight and roosting behaviors and therefore they were less affected by feather pecking behavior and had better feather quality. In addition, it had been determined that pheasants grow and develop better in this group, which had more rest opportunities. In conclusion, rearing at low stocking density is recommended for better fattening performance and better welfare conditions.

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