They noted the high labour costs of utilizing crop residues and sown or harvested forages for penned animals, and the alternative uses of crop residues.
Fertile boars were always penned in the vicinity.
Exposure to infectious diseases will depend on the layout of pens and competition rings, disinfection procedures and whether the sheep are penned indoors or outdoors.
Faecal recoveries of the alkanes of plant cuticular waxes in penned and in grazing sheep.
A fertile boar was always penned in the vicinity and the sows were checked twice daily by experienced personnel for spontaneous, behavioural oestrus.
Grazing land has diminished, crop residues are becoming a more important element in raising livestock and fattening penned livestock has become profitable.
He wrote extensively of his mystical life and penned mystical poetry.
She penned a scathing letter, chastising him for his lack of filial feeling.
