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核心技术专利：CN118964589B侵权必究

核心技术专利：CN118964589B侵权必究

Herremans M, Verheyen G, Decuypere E

KU Leuven, Landbouwfaculteit, Laboratorium voor Fysiologie der Huisdieren, Heverlee, Belgium.

Br Poult Sci. 1988 Dec;29(4):853-61. doi: 10.1080/00071668808417114.

Four groups of 18 cages each containing 4 brown laying hybrids aged 79 weeks were formed by two levels of restriction of a moulting diet (lasting for 29 d) being applied at two moulting temperatures (11 degrees C and 29 degrees C, lasting for 56 d). 2. Low temperature-low feeding resulted in greatly retarded growth of remiges, but the final extent was similar in all 4 groups, and reached 4 to 5 new primaries (median value). Body-plumage of hens moulted at 11 degrees C was 25% heavier than of hens moulted at 29 degrees C. 3. Second year production variables (rate of laying, egg mass, efficiency of food utilisation) were greatly influenced by moulting temperature (low moulting temperature performing better), but not by feeding rate. 4. The persistence of the improved food utilisation is related to energetic consequences of improved plumage renewal during moulting at the lower temperature, which can be seen as an acclimatization effect.

通过在两种换羽温度（11摄氏度和29摄氏度，持续56天）下应用两种水平的限制换羽日粮（持续29天），形成了四组，每组18个笼子，每个笼子装有4只79周龄的褐色产蛋杂交鸡。2. 低温低饲喂导致飞羽生长大大延迟，但最终程度在所有4组中相似，达到4至5根新的初级飞羽（中位数）。在11摄氏度换羽的母鸡的体羽比在29摄氏度换羽的母鸡重25%。3. 第二年的生产变量（产蛋率、蛋重、食物利用效率）受换羽温度的影响很大（低温换羽表现更好），但不受饲喂率的影响。4. 提高的食物利用效率的持续性与低温换羽期间羽毛更新改善的能量后果有关，这可以看作是一种适应性效应。

Herremans M, Verheyen G, Decuypere E

KU Leuven, Landbouwfaculteit, Laboratorium voor Fysiologie der Huisdieren, Heverlee, Belgium.

Br Poult Sci. 1988 Dec;29(4):853-61. doi: 10.1080/00071668808417114.

Four groups of 18 cages each containing 4 brown laying hybrids aged 79 weeks were formed by two levels of restriction of a moulting diet (lasting for 29 d) being applied at two moulting temperatures (11 degrees C and 29 degrees C, lasting for 56 d). 2. Low temperature-low feeding resulted in greatly retarded growth of remiges, but the final extent was similar in all 4 groups, and reached 4 to 5 new primaries (median value). Body-plumage of hens moulted at 11 degrees C was 25% heavier than of hens moulted at 29 degrees C. 3. Second year production variables (rate of laying, egg mass, efficiency of food utilisation) were greatly influenced by moulting temperature (low moulting temperature performing better), but not by feeding rate. 4. The persistence of the improved food utilisation is related to energetic consequences of improved plumage renewal during moulting at the lower temperature, which can be seen as an acclimatization effect.

通过在两种换羽温度（11摄氏度和29摄氏度，持续56天）下应用两种水平的限制换羽日粮（持续29天），形成了四组，每组18个笼子，每个笼子装有4只79周龄的褐色产蛋杂交鸡。2. 低温低饲喂导致飞羽生长大大延迟，但最终程度在所有4组中相似，达到4至5根新的初级飞羽（中位数）。在11摄氏度换羽的母鸡的体羽比在29摄氏度换羽的母鸡重25%。3. 第二年的生产变量（产蛋率、蛋重、食物利用效率）受换羽温度的影响很大（低温换羽表现更好），但不受饲喂率的影响。4. 提高的食物利用效率的持续性与低温换羽期间羽毛更新改善的能量后果有关，这可以看作是一种适应性效应。