Abrams E, Guthrie P, Harris B
J Dairy Sci. 1985 Jul;68(7):1748-51. doi: 10.3168/jds.S0022-0302(85)81022-5.
The dry matter in calf milk replacer was compared with dry matter in goat milk for Nubian goat kids. Kids were fed the following diets from 4 days of age for 6 wk: 1) whole goat milk (14.0% dry matter), 2) calf milk replacer (13.5% dry matter), and 3) calf milk replacer (18.0% dry matter). Body weight of kids fed whole milk and 18.0% dry matter milk replacer increased each week. Kids fed the 13.5% dry matter milk replacer increased in weight to the 3rd wk but steadily declined thereafter. Total weight gain was more for kids fed whole milk (3.89 kg) than for kids fed milk replacer diets with 13.5 or 18.0% dry matter (.79 and 3.06 kg, respectively). For the first 3 wk, average daily gain was lowest for kids fed 18.0% milk replacer diet, but highest for wk 4 to 6. These data indicate that 3-week-old goat kids can utilize large amounts of dry matter from milk replacer to sustain a rate of growth similar to that of kids fed whole milk; however, high amounts of dry matter from milk replacer are poorly utilized by kids during the first 3 wk of life.
对努比亚山羊羔而言,比较了犊牛代乳粉中的干物质与山羊奶中的干物质。从4日龄开始,给羔羊饲喂以下日粮,持续6周:1)全脂山羊奶(干物质含量14.0%),2)犊牛代乳粉(干物质含量13.5%),以及3)犊牛代乳粉(干物质含量18.0%)。饲喂全脂牛奶和干物质含量18.0%的代乳粉的羔羊体重每周都增加。饲喂干物质含量13.5%代乳粉的羔羊体重在第3周前增加,但此后稳步下降。饲喂全脂牛奶的羔羊总增重(3.89千克)高于饲喂干物质含量13.5%或18.0%代乳粉的羔羊(分别为0.79千克和3.06千克)。在前三周,饲喂干物质含量18.0%代乳粉日粮的羔羊平均日增重最低,但在第4至6周最高。这些数据表明,3周龄的山羊羔能够利用大量来自代乳粉的干物质来维持与饲喂全脂牛奶的羔羊相似的生长速度;然而,在出生后的前三周,羔羊对代乳粉中大量干物质的利用率很低。