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Charting post-partum anoestrus


, : Charting post-partum anoestrus. AMRC report Sixteenth annual report, year ended June 30, 1982: 42-43

In an experiment carried out between 1968 and 1975, total meat production was greater for an annually mated flock than for a flock mated at 8-month intervals. A follow-up project was carried out using large Merino and crossbred flocks.

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Mukasa Mugerwa, E.; Anindo, D.; Lahlou Kassi, A.; Umunna, N.N.; Tegegne, A., 1997: Effect of body condition and energy utilization on the length of post-partum anoestrus in PRID-treated and untreated post-partum Bos indicus (zebu) cattle. 45 Boran cows were blocked by body condition (BC) score at calving and allocated by body weight (BW) to 3 treatments: untreated controls (CON), and progesterone-releasing intravaginal device (PRID)-treated at 45 (T45) or 60 days (T60) post partum....

Baker, A.A., 1969: Post partum anoestrus in cattle. The literature pertaining to lactation anoestrus in cattle is reviewed, and the external and internal factors that affect the length of the post partum oestrus interval are discussed.

Araujo, P.G.; Pizzelli, G.N.; Carvalho, M.R. de; Resende, O. de A.; Britto, D.P.P. de S., 1973: Studies on post-partum anoestrus in cattle. Rectal palpation of 1065 cows which had not shown signs of oestrus for > 5 mth revealed true anoestrus in 17.5% of the cows. The effects of treatment with 2000 IU PMS, 5, 10 or 20 mg oestrogen, 1000 IU PMS + 1500 IU HCG, or ovarian massage on t...

Kulcsar, M.; Huszenicza, G.; Kezy, G.; Juhasz, C.; Schreiber, M., 1989: The pathophysiology of post-partum anoestrus in mares. Observations on 49 Thoroughbred and half-bred mares, mostly in moderate to poor condition, indicated that those foaling in the mid-winter months of January-February (19) only exceptionally returned to oestrus by 7-10 days after parturition (all ma...

Karg, H., 1985: Post partum anoestrus: problems and perspectives. Current topics in veterinary medicine and animal science: 1) 181-185

Paterson, A., 1983: Post-partum and lactational anoestrus - an overview. A discussion of work in cattle, sheep and pigs.

Humblot, P.; Thibier, M., 1978: Post-partum anoestrus in the dairy cow. Diagnosis and treatment. Luteinizing hormone releasing hormone (LHRH; 1 mg, i/m) or prostaglandin F2 (PGF2 alpha ; 0.5 mg, i/m) were shown to induce oestrus in 480 post-partum anoestrous dairy cows. After LHRH injection, the lag period before onset of oestrus was 43 plus...

Opsomer, G.; Mijten, P.; Coryn, M.; de Kruif, A., 1996: Post-partum anoestrus in dairy cows: a review. The occurrence, causes, treatment and prevention of postpartum anoestrus in dairy cows are reviewed. It is suggested that calving interval should not exceed 365 days for maximum profit. The achievement of a 365-day calving interval requires early...

Ricordeau, G., 1982: Selection for reduced seasonality and post-partum anoestrus. A review, mainly of work on increasing the frequency of lambing and on increasing fertility in cattle.

Tervit, H.R.; Smith, J.F.; Kaltenbach, C.C., 1977: Post-partum anoestrus in beef cattle: a review. The effects of suckling stimulus, level of nutrition, body condition, breed and age of cow and calving difficulty on the anoestrous interval after calving are discussed. It is concluded that the adoption of sound management policies will shorten t...