G. Sawyer

发表

Performance of young breeding cattle in commercial herds in the south-west of Western Australia. 2. Liveweight, body condition, timing of conception and fertility in first-calf heifers

R. Morris, D. Barker, G. Sawyer, 1991 .

The influence of radiant heat load on reproduction in the Merino ewe. II. The relative effects of heating before and after insemination

G. Sawyer, 1979 .

The influence of radiant heat load on reproduction in the Merino ewe. I. The effect of timing and duration of heating

G. Sawyer, 1979 .

Time of joining affects the performance of young Angus and Angus multiply Friesian cattle in the south-west of Western Australia. 2. Calf productivity and its relationship with milk production and reproduction in first-calvers

J. Milligan, D. Barker, G. Sawyer, 1993 .

Effects of progesterone intravaginal devices on synchronization of estrus in postpartum dairy cows.

P. Williamson, S. Atkinson, G. Sawyer, 1987, Journal of dairy science.

The effectiveness of steers and heifers treated with oestrogen or testosterone to detect oestrus in cattle

W. Fulkerson, G. Sawyer, 1981 .

Artificial induction of lactation in cattle: initiation of lactation and estrogen and progesterone concentrations in milk.

G. Martin, W. Fulkerson, C. Gow, 1986, Journal of Dairy Science.

The influence of radiant heat load on reproduction in the Merino ewe. III.* Duration of oestrus, cyclical oestrous activity, plasma progesterone, LH levels and fertility of ewes exposed to high temperatures before mating

G. Martin, Lindsay, G. Sawyer, 1979 .

Performance of young breeding cattle in commercial herds in the south-west of Western Australia. 3. Calf growth, dystocia, and their relationship with production and fertility measurements in first-calf heifers

R. Morris, D. Barker, G. Sawyer, 1991 .

Ultrasound-monitored ovarian responses in normal and superovulated cattle given exogenous progesterone at different stages of the oestrous cycle

D. Dolman, P. Broadbent, G. Sawyer, 1995 .

Responses to estrous synchronisation and superovulation in cattle monitored by ultrasonography

D. Dolman, G. Sawyer, Pj Broadhent, 1992 .

Observation on the bacterial population of the os cervix of the ewe before and after embryo death.

G. Sawyer, 1977, Australian veterinary journal.

Dock - weed or pasture plant?

J. Silcock, G. Sawyer, D. McGhie, 1983 .

Investigations of ultradian and circadian rhythms in the concentration of cortisol and prolactin in the plasma of dairy cattle.

W. Fulkerson, C. Gow, G. Sawyer, 1980, Australian journal of biological sciences.

Weight gain in steer and heifer calves treated with zeranol or oestradiol 17 beta.

G. Sawyer, 1987, Australian veterinary journal.

Growth response of steer calves treated with zeranol, oestradiol 17 beta or progesterone-oestradiol benzoate implants before and after weaning.

R. Casey, D. Barker, G. Sawyer, 1987, Australian veterinary journal.

The accuracy of several aids in detecting oestrus in dairy cattle

W. Fulkerson, G. Sawyer, I. Crothers, 1983 .

A comparison of three methods of oestrus detection in commercial dairy herds verified by serum progesterone analysis

J. Silcock, G. Sawyer, I. D. Russell-Brown, 1986 .

Study of some factors effecting post-partum oestrus and fertility in two beef breeds.

M. Carrick, G. Sawyer, 1984 .