The molecular diversity of rumen methanogens in sheep in Australia was investigated by using individual 16S rRNA gene libraries prepared from the rumen contents obtained from six merino sheep grazing pasture (326 clones), six sheep fed an oaten hay-based diet (275 clones), and five sheep fed a lucerne hay-based diet (132 clones). A total of 733 clones were examined, and the analysis revealed 65...

The genetic diversity of a microsatellite marker linked to MHC-DRB1 gene in German Merino sheep was studied and association of this marker with growth trait in German sheep was ascertained. This experiment constituted four consecutive lambing among seven Merinoland rams and 249 ewes and a total of 16 MHC-DRB1 microsatellite alleles were detected, ranging from 353 bp to 857 bp. For ewes carrying...

Four groups of 6-7-month-old Merino lambs were each dosed with 40 000 infective larvae of Trichostrongylus axei on 2 November 1976 and subsequently exposed to challenge with Haemonchus contortus on natural grazing at the University of Pretoria's Experimental Farm in the eastern suburbs of Pretoria. One of these groups and one group of controls were killed every 8 weeks from the end of December ...

Fluoroacetate was dosed per stomach tube to 17 Merino sheep at the rate of 0,05-1,0 mg/kg/day. The clinical signs, haemodynamic changes, chemical pathology and pathology of acute, subacute and chronically intoxicated cases are described. Tetanic convulsions were seen in acutely intoxicated animals and in them respiratory failure, occurring concomitantly with cardiac failure, may have been the c...

Effects of selenium on certain indicators of sheep reproductive success and on Se level in the sheep’s blood serum were studied in 2001-2002 on 100 Polish merino sheep ewes kept in a Western Pomeranian sheep farm. The 100 ewes were picked out on random and divided into two equal groups: treatment and control. The blood samples for serum Se assays were collected prior to administration of sodium...

This issue begins with Australian research showing that wearing superfine merino woollen clothing may help manage children with atopic dermatitis. Researchers from the US have reported that patients with hidradenitis suppurativa have changes in the expression of genes encoding enzymes involved in sphingolipid metabolic pathways. Research from Queensland reports on patients treated with diphenyl...

CAST gene is a candidate marker that influences the intensity of growth and meat quality. The aim this study was to investigate genetic variability in five Bulgarian sheep breeds – two merino, local one for milk. A total 150 ewes, belonging these were investigated polymorphisms by using PCR-RFLP method. 622 bp fragment Ovis aries amplified PCR. After restriction with endonuclease MspI alleles o...