Discovery reports (1957) Discovery reports discoveryreports28inst Year: 1957 BREEDING AND LIFE CYCLE 269 to be examined was too much decomposed for any certain observations, but the other three all bore the raw stalks of umbilical cords. The first two calves were possibly only a few hours old when taken. The ' clear yellow fluid' in the stomach of one, and the ' yellow opalescent fluid' in that of the other, may well have been the ' witches' milk' or colostrum which in mammals precedes the true milk at the first suckling. The third had an empty stomach, and although this animal could conceiv
Discovery reports (1957) Discovery reports discoveryreports28inst Year: 1957 BREEDING AND LIFE CYCLE 269 to be examined was too much decomposed for any certain observations, but the other three all bore the raw stalks of umbilical cords. The first two calves were possibly only a few hours old when taken. The ' clear yellow fluid' in the stomach of one, and the ' yellow opalescent fluid' in that of the other, may well have been the ' witches' milk' or colostrum which in mammals precedes the true milk at the first suckling. The third had an empty stomach, and although this animal could conceivably have been delivered prematurely during the mother's convulsion when lanced, nonetheless its size compares closely with the sizes of the other two. The brown liquid in the hind gut of these calves is not neces- sarily the faeces of a nursing milk diet, but may be the meconium, relics and waste material of foetal growth. The presence together of colostrum and meconium would make such infants new-born indeed. 40 30 3 0) o Z. 2'° o 10 00 • Foetal lengths O Average monthly foetal lengths * Neonatal lengths 40 30 -20 - IO OO r°—r'—r'''V'—r'—r1—r—i—i—i—i—i—i—i—i—i—i i i i i i i Jan Feb Mar Apr May J un. Jul. Aug. Sep Oct Nov. Dec Jan, Feb Man Apr May J un Jul. Aug. Sep. Oct. Nov. Dec Fig. 6. Foetal growth curve for foetuses measured at Horta from 1949 to 1954. Table 22. New-born calves examined by Mr B. Storehouse at Cais do Pico in August 1951 Length Remarks Raw stalk of umbilical cord present, 6 in. long. Stomach contained a yellow opalescent fluid: there were no squid beaks or parasites. The hind gut contained a dark brown cloudy liquid Raw stalk of umbilical cord present, 6-7 in. long. Stomach con- tained a clear yellow fluid: there were no squid beaks or parasites Raw stalk of umbilical cord present. Stomach was empty, without squid beaks or parasites. The hind gut contained a brown liquid Very badly decomposed When the lengths of the ne
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