Port Lympne Reserve, which runs a breeding programme, has welcomed the arrival of a rare black rhino calf.
负责繁育计划的林姆尼港保护区迎来了一只稀有的黑犀牛幼崽。
Thanks to Darwin, records on Chillingham cattle go back 150 years, and show a breeding response to climate change resulting in more winter calf deaths.
多亏了达尔文的呼吁，奇灵厄姆牛的记录持续了150年，如今的分析发现这种牛对气候变化做出了生育反应，只不过在冬季出生的牛犊死亡率也提高了。
CYCB has build a breeding base for 2000 calf and can produce 20,000 high priority beeves annually.
目前建有2000头育种规模的繁育基地，年出栏2万头优质肉牛。
A breeding specialist says the calf is just fine with the bonus nose.
育养专家称这头小牛很健康，只是多了个鼻子。
Thanks to Darwin, records on Chillingham cattle go back 150 years, and show a breeding response to climate change resulting in more winter calf deaths. Cynthia Graber reports.
感谢达尔文，使得奇灵厄姆的牲口牛的资料可以追溯到150年前，从中得知：受气候变化的影响，导致冬天出生的幼崽死亡率增加。
Based upon the conclusions, it is recommended that prior strategy could be to prevent the mother-calf link from broken in the early stage of the breeding season.
建议制定江豚保护对策时，应优先考虑江豚繁殖期幼豚母子联系的维持。
Based upon the conclusions, it is recommended that prior strategy could be to prevent the mother-calf link from broken in the early stage of the breeding season.
建议制定江豚保护对策时，应优先考虑江豚繁殖期幼豚母子联系的维持。
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