PMID: 37632Jun 1, 1979

Dynamics of acid-base indices in the blood of lambs from the 7th day of postnatal life to adult age

Veterinární medicína
J Skalka, L Vrzgula


Under the conditions of a specialized farm equipped with amodern technology or rearing, sixteen ewe lambs of the Improved Wallachian breed were studied for the dynamics of acid-base indices in the blood from the seventh day of post-natal life unitl the age of 19 months. The acid-base parameters were measured by the Astrup BMS 2 apparatus. After weaning at an age of 45 days, the lambs were fed mixture COJ 1 for ten days, then mixture COJ 2, followed by the administration of a VJ mixture and granular feed in a 1 : 1 ratio. The mentioned feeds were given to the lambs ad libitum. At the beginning of July the animals were driven to pasture where they were kept with no supplementary feeding. In the winter season they were kept indoors and were fed briquettes of forage at a ration of 2.3 kg per head per day. In the second year of age the sheep were driven to pasture in early. May. Throughout the period of study, the values of actual pH in the blood ranged ranged from 7.29 to 7.39 and pCO2 from 4.33 to 6.25 kPa, on an average; BE ranged from -8.2 to -1.8 mmol 1(-1), BB from 35.7 to 49.3 mmol 1(-1), and SB had limiting means of 18.0 and 22.7 mmol 1(-1), AB 16.7 and 23.5 mmol 1(-1), and tCO2 ranged from 17.7 to 24.8 mmol 1(-1), on an ave...Continue Reading

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