id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-5636	SHINGFIELD, K.J.; JOKELA, M.; KAUSTELL, K.	Association between protein feeding and reproductive efficiency in the dairy cow: specific emphasis on protein feeding in Finland	1999	28	.pdf	application/pdf	17152	918	56	Effects of dietary protein concentration on lactating cows. Kaim et al. (1983) reported that pregnancy rates were lower in cows with a PUC of 360 mg/l com- pared to cows with a PUC of 193 mg/l. A urea concentration in blood exceeding 429 mg/l has also been reported to be associated with reduced conception rates (Ferguson et al. 1988, 1993).	cache/afs-5636.pdf	txt/afs-5636.txt