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Abstract

960, 580 cows were inseminated in the 1970 season, the N.R. rate for liquid semen being 64% and for frozen semen 61%. 52.4% of all inseminations with room temp, semen was with Friesian semen, 40.9% with Jersey, 1.2% with Ayrshire and 5.5% with Polled Hereford semen. Maximum use was made of the few...

Publisher
Wellington: New Zealand Dairy Board,
Citation
47th farm production Report. 1970-71 season. Artificial insemination., 1972, pp 11-12; 16-19; 47-65 pp.
Abstract

1, 122, 871 cows were inseminated in 1971, an increase of 2.5% over 1970. Export of semen (mainly to U.S.A.) amounted to 1, 114, 460 doses; 80% of this semen was from Limousin and Simmental bulls. Imports, representing semen of 19 breeds, amounted to 106, 794 doses. The bull stud consisted of 691...

Publisher
Ottawa: Livestock Division, Production and Marketing Branch, Canada Department of Agriculture,
Citation
Seventeenth annual report on artificial insemination in Canada, year ending December 1971., 1972, pp 19 pp.
Abstract

Cattle. A large number of Canadian Holstein, Dutch Black Pied, Dutch Red and White [Meuse-Rhine-Yssel], Brown Swiss and Aberdeen-Angus cattle was imported. The first 3 breeds were distributed to 4 Government farms. 350 Canadian Holsteins went to Nakyesasa Experimental Unit, and 215 of these...

Publisher
Entebbe: Govt Printer,
Citation
Annual report for the year ended 31st December, 1970., 1972, pp 63 pp.
Abstract

The esterase phenotypes were demonstrated by starch-gel electrophoresis and agar-gel immuno-electrophoresis. The hybrids appeared to have inherited all the esterase components of their parents.

Author(s)
Kaminski, M.; Leroy, P.; Sykiotis, M.
Publisher
Bpest,
Citation
XII Eur. Conf. Anim. Blood Grps biochem. Polymorph., Bpest., 1972, pp 473-480
Abstract

General expressions for the expected genetic response to the index or total score method of selection and to the independent culling levels (ICL) method were presented. For the case of simultaneous selection for 2 and 3 traits, an iterative procedure was used to determine culling levels maximizing...

Author(s)
Vinson, W. E.
Citation
Dissertation Abstracts: B, 1972, 32, pp 4324-B
Abstract

1, 094, 966 cows were inseminated in 1970; the proportion of dairy cows inseminated with semen of dairy bulls was 30% of the national dairy herd, but 7.5% more cows were inseminated with beef semen than in 1969. The bull stud consisted of 385 dairy bulls and 221 dual-purpose and beef bulls. Export...

Citation
Ottawa: Livestock Division, Production and Marketing Branch, Canada Department of Agriculture, 1971, pp 10 pp.
Abstract

According to the census in 1969 there were 260, 000 Pinzgau cattle in Austria, of which 127, 000 were cows. The number of recorded herds at 31 Dec. 1970 was 5421. There were 35, 493 recorded Pinzgau cows, of which 31, 693 were in the 4724 herdbook herds. Annual yields in 1970 of cows in the 4...

Citation
Mitteilungen der Pinzgauer Rinderzuchter, 1971, 86, pp 1-4
Abstract

COOPER, K. J., HAYNES, N. B., and LAMMING, G. E. The effect of variation in feed level during oestrus on reproduction in the young female pig: 392. CROWLEY, J. P., and DARBY, T. E. A method of fostering calves for multiple suckling systems: 382. CUTHBERTSON, A., HARRINGTON, G., QUIRKE, S., and...

Citation
Animal Prod., 1971, 13, pp 377-400
Abstract

Sponges impregnated with 30 mg Cronolone plus 400 mg progesterone were inserted into the vaginas of 61 cycling, parous Finnish Landrace × Dorset Horn (F.L. × D.H.) ewes for 14 days. At 48 and 58 hr after sponge removal, 31 of the ewes were hand-mated twice with F.L. × D.H. rams and 30 were...

Author(s)
Mcclelland, T. H.; Quirke, J. F.
Citation
Animal Prod., 1971, 13, pp 323-327
Abstract

There are 18 recommendations. The summary of discussions includes: the development of FAO's programme in the field of animal genetic resources; results of the Danish pig improvement programme; methods of population comparison and selection in pig breeding; genotype-environment interaction in pig...

Publisher
Rome: FAO,
Citation
Meeting Report, No. AGA 1971/3, 1971, pp 21 pp.

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