广灵大尾羊
1.外在感官特征:广灵大尾羊的外形特征是:结构匀称,肌肉丰满,眼大微突而灵活,背部宽广平直,四肢粗壮,脂尾圆大。成年公种羊尾长21-35厘米,尾宽22-30厘米,尾厚8-12厘米。成年母羊尾长18-21厘米,尾宽19-22厘米,尾厚5.5-7.9厘米。毛色雪白,皮毛品质好。大尾羊一般是11个月后即可屠宰,曾经试宰9只羊,每只羊饲养13.5个月,平均活重66公斤,屠宰后胴体重38.4公斤,其中净肉33.3公斤,肉脂重2.7公斤,尾脂重7公斤,头蹄重4.1公斤,内脏总重5.7公斤。大尾羊肉营养丰富,肉质鲜嫩,是一种高蛋白质的食物。羊杂是人们常年喜食的营养肉食,高等级的羊胴体,在屠宰车间吊起时,整个体躯显得丰满,两后腿之间呈“U”字形,胴体肌肉发育良好,肌肉纤维间的脂肪沉积较多,呈大理石状。
2.内在品质:广灵大尾羊有着瘦肉多、脂肪少的特点,加之该羊肉有着特殊的生物学和食补价值,因而深受消费者的欢迎。它的内含成分为:每100g羊肉含水分65.0~78.0 g;含蛋白质≥18.0g;含脂肪2.0~4.0 g;含不饱和脂肪酸(以脂肪计)≥40.0g;含磷≥145mg;含钾≥200mg;含钠≤70.0mg;含铁≥1.0mg;含锌≥2.0mg;含能量≥350kJ。
3.安全要求:广灵大尾羊所饲喂的草料,饮用水,要求无毒无污染,看病、防疫、打针、灌药的兽医要有资质证明,严禁雇用无任何证照的兽医行医。在屠宰前15天,严禁打针、灌药和饲喂不安全的草料和饮用水。
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