Blaxter (1956) drew attention to the possibility that previous nutritional history could affect
current output, instancing inter alia the effect of level of rearing and pre calving feeding. The …

Peripheral plasma levels of the main blood plasma metabolite of PGF 2α (15-keto-13, 14-
dihydro-PGF 2α) and progesterone were investigated during the immediate, post-partum …

The effects of κ-casein genetic variants, lactation number, pH and casein content on the
renneting properties of individual milks were studied. Rennet coagulation time (RCT) and …

The process of parturition, including the preparatory changes, was investigated in 159
animals during their first and subsequent calvings. Altogether 493 parturitions were studied …

The purpose of this study was to estimate any breed differences and to investigate the
interrelationships between live weight changes, feed consumption, milk production in kg …

The purpose of this study was to evaluate the influence of animal, breed and parity on
postpartum reproductive functions in dairy cows. A total of 141 cows were included in the …

Efficiency in selecting for improved fertility can be seriously impaired if there is an
antagonistic genetic relationship between milk yield and fertility. Some results from field data …

Dairy cows of four different breed groups, Swedish Red and White (SRB), Swedish Friesian
(SLB), SRB× SLB reciprocal crosses and Swedish Jersey (SJB), were repeatedly blood …

Abstract Differences between infrared (Milko-Scan 104) and reference methods (Gerber and
Kjeldahl) in fat and protein determinations were studied in individual cows of four breeds …

The objective of the study was to investigate the interrelationship between different
measures of energy status in early lactation (body-weight changes, milk yield, keto-test …