Newborn lambs
Differential regulation of right and left ventricular beta adrenergic receptors in newborn lambs with experimental cyanotic heart disease
... To determine whether chronic hypoxemia secondary to an intracardiac right-to-left shunt alters regulation of the myocardial beta-adrenergic receptor/adenylate cyclase system, we produced chronic hypoxemia in nine ...
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Mechanical ventilation causes diaphragm dysfunction in newborn lambs
... in newborn lambs rapidly led to significant diaphragmatic dysfunction, irrespective of whether lung injury induced by surfactant deficiency was also ...
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Circulatory Changes in Newborn Lambs with Experimental Polycythemia: Comparison Between Fetal and Adult Type Blood
... It is known that the blood of newborn lambs is 80% to 90% fetal type red cells.7 In a second group of eight animals, the same procedure was carried out but adult packed red blood cells o[r] ...
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THE EFFECT OF IMMATURITY AND PRENATAL ASPHYXIA ON THE LUNGS AND PULMONARY FUNCTION OF NEWBORN LAMBS: THE EXPERIMENTAL PRODUCTION OF RESPIRATORY DISTRESS
... AND PULMONARY FUNCTION OF NEWBORN LAMBS: THE EXPERIMENTAL THE EFFECT OF IMMATURITY AND PRENATAL ASPHYXIA ON THE LUNGS. http://pediatrics.aappublications.org/content/35/3/382 the World W[r] ...
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Comparative aspects of resistance to body cooling in newborn lambs and kids : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
... Since newborn lambs have a low capacity for body heat storage Alexander, 1961, one of the main ways in which the lamb can combat the effects of cold is to increase its heat production or[r] ...
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Decreased Pulmonary Transvascular Fluid Filtration in Awake Newborn Lambs after Intravenous Furosemide
... additional lambs received 8 mg/kg of furosemide intravenously in the presence of saline-induced pulmonary edema; in these experiments, the decrease in vascular pressures, increase in transvascular protein ...
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Chronic nitric oxide inhibition in utero produces persistent pulmonary hypertension in newborn lambs
... the newborn (PPHN) is associated with chronic intrauterine ...fetal lambs received either a continuous infusion of N omega-nitro-L-arginine (an NO synthesis inhibitor) or ...
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Pressure- versus volume-limited sustained inflations at resuscitation of premature newborn lambs
... This study has some limitations not already discussed. Lambs were anaesthetized, hence spontaneous breathing was inhibited. Lack of spontaneous breathing may have influenced the outcome of the sustained inflation ...
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Neurovascular effects of umbilical cord blood-derived stem cells in growth-restricted newborn lambs
... preterm lambs have been previously described ...The lambs were dried, weighed, and transferred to an infant warmer (Fisher and Paykel, Auckland, NZ) where each lamb was intubated ...
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INTRA-AORTIC TRANSFUSION OF OXYGENATED BLOOD AND ENDOTRACHEAL INSUFFLATION OF OXYGEN IN THE RESUSCITATION OF SEVERELY ANOXIC NEWBORN LAMBS
... In order to see whether any significant deviation from the pattern of anoxia de- scribed in the earlier studies516 would occur because of the substitution of local for [r] ...
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Decreased serum insulin like growth factor I associated with growth failure in newborn lambs with experimental cyanotic heart disease
... associated with a decrease in IGFBP-3 (hypoxemic, 5.09 +/- 1.25 vs. control, 11.2 +/- 1.08 arbitrary absorbency units per mm (Au.mm), P less than 0.01), and increase in IGFBP-2 (0.47 +/- 0.03 vs. 0.19 +/- 0.13 Au.mm, P ...
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Lung Fluid Dynamics in Awake Newborn Lambs
... unanesthetized lambs and compared these measurements to those of previous studies, performed under similar conditions, on nine awake adult ...compare newborn and adult sheep with respect to transvascular ...
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The normal electrocardiograms in the conscious newborn lambs in neonatal period and its progression
... neonate lambs may be consistently assessed through a non- invasive ...sheep, lambs exhibited faster heart rates, longer PR intervals, and QT intervals, while the amplitude of the P and T waves decreased ...
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RADIOLOGIC DEMONSTRATION OF POSTNATAL LIQUID IN THE LUNGS OF NEWBORN LAMBS
... Lateral chest radiographs illustrating progressive clearing of pulmonary opacities following onset of breathing. 1 minute, grade[r] ...
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THE EFFECTS OF IMMERSION AND TEMPERATURE ON RESPIRATION IN NEWBORN LAMBS
... In this latter group, warm water depressed breath- ing more than cool water. The inhibitory effect of immersion on the initiation of breathing was shown by lack of survival of intubated [r] ...
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Improving triplet lamb survival in New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Animal Science at Massey University, Palmerston North, New Zealand
... in newborn lambs with light birth weights (Robinson and McDonald 1989), low energy reserves (Budge et al 2000) and slow progressive behaviors, such as standing and suckling (Dwyer et al ...
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The role of the environment in transmission of Dichelobacter nodosus between ewes and their lambs
... on newborn lambs and possible routes of ...of lambs at birth and 5–13 h post-partum, and their mothers 5– 13 h post-partum; and in samples of bedding, pasture, soil and ...of newborn ...
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Renal effects of angiotensin II in the newborn period: role of type 1 and type 2 receptors
... similar to newborn lambs in the present experiments [3, 8, 17, 19, 62]. For instance, in sodium-depleted anaesthetised adult rats, AT1R antagonists decreased GFR, urine and electrolytes excretion [16, 33], ...
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Endotracheal Administration of Tolazoline in Hypoxia-Induced Pulmonary Hypertension
... Comparison of intravenous, pulmonary arterial and endotracheal tolazoline effects on hypoxia-induced pulmo- nary hypertension in newborn lambs. Heymann MA, Payne DB, Hoffman JE, Rudolph [r] ...
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Effects of Age and Nutritional Status at Mating on the Reproductive and Productive Traits in Suffolk Sheep Kept under Permanent Outdoor Management System
... This study examined the variability of reproductive and productive traits in Suffolk sheep (a commercial flock, n = 316 ewes) with regard to the dams’ age or the nutritional status of sheep at mating under a year-round ...
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