Sprafke Helena, Palme Rupert, Schmidt Paul, Erhard Michael, Bergmann Shana
Department of Veterinary Sciences, Chair of Animal Welfare, Ethology, Animal Hygiene and Animal Husbandry, Faculty of Veterinary Medicine, LMU Munich, Veterinärstraße 13/R, DE-80539 Munich, Germany.
Department of Biomedical Sciences, University of Veterinary Medicine, Veterinärplatz 1, A-1210 Vienna, Austria.
Animals (Basel). 2018 Oct 19;8(10):183. doi: 10.3390/ani8100183.
The welfare of two genetic lines of organic layer hen pullets-H&N Super Nick (HNS) and H&N Brown Nick (HNB)-was compared during two commercial transport variants of 15 flocks of mixed-reared birds. Birds were either transported overnight (with a break in travel), or were transported direct to the layer farm (without a break in travel). Samples of feces were collected non-invasively from 25 birds of each genetic line per flock for each transport variant before transportation to evaluate baseline values of glucocorticoid metabolites, and at 0 h, 3 h, 6 h, 10 h, 24 h, 34 h, 48 h, 58 h, and 72 h after the end of transportation, to measure transportation and translocation stress. We assessed the fear toward humans with the touch test before transportation, and we checked the birds' body condition by scoring the plumage condition and the occurrence of injuries. Body weight before and weight loss after transportation were determined, and ambient temperature was measured before, during, and after transportation. Stress investigations showed no significant differences between the transport variants (effect: -0.208; 95% confidence interval (CI): (-0.567; 0.163)). Instead, we discovered differences between the pullet lines (effect: -0.286; 95% CI: (-0.334; 0.238)). Weight loss was different between the transport variants (2.1 percentage points; 95% CI: (-2.6; -1.5)) and between the genetic lines, as HNB lost significantly less weight than HNS (0.5 percentage points; 95% CI: (0.3; 0.7)).
在15群混合饲养的蛋鸡雏鸡的两种商业运输方式中，对两个有机蛋鸡遗传品系——H&N超级尼克（HNS）和H&N棕色尼克（HNB）的福利状况进行了比较。鸡群要么夜间运输（途中有休息），要么直接运输到蛋鸡场（途中无休息）。在运输前，从每个运输方式的每群中各选取25只每个遗传品系的鸡，以非侵入性方式采集粪便样本，评估糖皮质激素代谢物的基线值，并在运输结束后的0小时、3小时、6小时、10小时、24小时、34小时、48小时、58小时和72小时采集样本，以测量运输和转移应激。在运输前通过触摸测试评估鸡对人类的恐惧程度，并通过对羽毛状况和受伤情况进行评分来检查鸡的身体状况。测定运输前后的体重以及运输后的体重减轻情况，并在运输前、运输期间和运输后测量环境温度。应激调查显示，两种运输方式之间没有显著差异（效应：-0.208；95%置信区间（CI）：（-0.567；0.163））。相反，我们发现蛋鸡品系之间存在差异（效应：-
