Skyler Kuchar

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The objective of this study was to determine the effects of bovine growth hormone (bGH) on body growth of suckling lambs. Suckling Merino lambs (fed on milk replacer from 4th day of life) were daily injected from 10th to 38th day of life with 80 micrograms bGH/kg b.w. Only insignificant increase of body weight was observed after 4 weeks of GH treatment.(More)
The RNA content of the ventromedial hypothalamus (VMH), the lateral hypothalamic area (LHA), and the cortical neurons of male and female rats, neonatally treated with monosodium glutamate (MSG), were investigated. MSG (2 g/kg b.wt.) was injected subcutaneously to male and female rat pups daily for 5 days after birth. At 12 weeks of age a significant(More)
Dorsal lesions of the septum influenced the maternal behaviour of Wistar and Long-Evans females, as well as of their hybrids, in a different way. The phenomenon of infanticide appeared in Wistar females only, whereas mothering was not impaired in others. However, the mouse-killing activity was not enhanced in Wistar females displaying infanticide. On the(More)
The relationship between milk fat concentration and the growth of rat pups from birth to the 20th day was investigated. A total of 36 first-time-lactating Wistar rats and 366 pups from litters of 8-12 were used. The concentration of milk fat was determined by the crematocrit method, on the 2nd, 5th, 10th, 15th, 20th and 25th day of lactation. A wide range(More)
The objective of this study was to determine the effects of ovine prolactin (oPRL) on body growth and the content of RNA, DNA and protein in liver, brain and heart muscle in rat pups. Suckling rats were daily injected from 3rd to 28th day of life with 1 microgram of oPRL/g body weight. Our results show that oPRL administration evoked higher body weight gain(More)
In 17 1/2--21 1/2 day-old fetuses and 1--4 day-old rats the DNA, RNA and protein content of the liver, heart and brain was daily investigated 6 hours after injecting approximately 40 mU . g-1 insulin. The DNA content in the mentioned organs was not affected by the insulin. The RNA content in the fetal and neonatal brain and neonatal heart was significantly(More)
The age dependency of changes in food intake and body weight in Wistar rats after androgen and estrogen treatment was followed. The 5 age categories of female rats were treated by androgen and the 6 age categories of male rats were treated by estrogen. The androgen treatment induced an expressive increase in weight gains in all age categories of female(More)
The nutritional status in the early postnatal period may significantly influence the development and functional activity of food intake regulating mechanisms. Therefore we investigated the weight gains and total RNA content of the ventromedial (VMH) and lateral (LHA) hypothalamic cells of rat pups in normal litters (8 pups/nest) and in reduced litters (2(More)