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Abstract

The recovery of endangered Lost River suckers (Deltistes luxatus) in Upper Klamath Lake, south-central Oregon, has been impeded because juveniles are not recruiting into adult spawning populations. Adult sucker populations spawn each spring but mortality of age-0 suckers during their first summer...

Author(s)
Hereford, D. M.; Conway, C. M.; Burdick, S. M.; Elliott, D. G.; Perry, T. M.; Dolan-Caret, A.; Harris, A. C.
Publisher
US Department of the Interior, US Geological Survey, Reston, USA
Citation
Open-File Report - US Geological Survey, 2019, No.2019-1006, pp viii + 80 pp.
Abstract

The objective of this study is to clarify the present situation and trend in the management of horse-breeding farms in the Hidaka region. As a method, we carried out questionnaire surveys with 12 farms and referred to the statistical data. As the results, approximately 70% of farms have fewer than...

Author(s)
Matsubara, K.; Nohguchi, R.
Publisher
Agricultural Economics Society of Japan, Tokyo, Japan
Citation
Journal of Rural Economics, 2019, 91, 1, pp 101-106
Abstract

This paper examines why enriched cage (ERC) eggs have become available in retail markets of Taiwan. ERC eggs are not sold in the stores of the United States. However, in Taiwan, the characteristics of animal-friendly (AF) eggs (e.g. ERC, barn, free-range, and organic) are not priced according to...

Author(s)
Ooki, S.
Publisher
Agricultural Economics Society of Japan, Tokyo, Japan
Citation
Journal of Rural Economics, 2019, 91, 1, pp 95-100
Abstract

Impact of tariff elimination on food is a prime concern for domestic suppliers in Japan. The standard method to calculate the impact is CGE analysis using the GTAP model. In the GTAP model, however, the demand-side elasticity of substitution follows the "Rule of Two", so that the value of the...

Author(s)
Sato, H.; Saito, K.
Publisher
Agricultural Economics Society of Japan, Tokyo, Japan
Citation
Journal of Rural Economics, 2019, 91, 1, pp 71-76
Abstract

The content of fatty acids in the meat of carcasses of purebred young rabbits of 77- and 90-day-old age of two meat and skin (white giant and Soviet chinchilla) and one meat breed (Californian) was analyzed. The content in the pulp of carcasses of purebred young rabbits monounsaturated oleic fatty...

Author(s)
Iosifovich, T. N.; Rudolfovna, S. A.; Valentinovna, G. E.; Yurevich, K. G.
Publisher
Saratovskiy gosudarstvennyy agrarnyy universitet im. N.I. Vavilova, Saratov, Russia
Citation
Agrarnyy nauchnyy zhurnal, 2019, No.8, pp 58-63
Abstract

The research established the etiological factors of toxic liver dystrophy in piggeries-weaners are exogenous intoxication, occurring in the process of feeding with mixed feeds containing mycotoxins, lack of selenium, methionine and vitamin E. The application of the studied preparation had...

Author(s)
Evgenievna, P. A.; Anatolyevna, G. O.
Publisher
Saratovskiy gosudarstvennyy agrarnyy universitet im. N.I. Vavilova, Saratov, Russia
Citation
Agrarnyy nauchnyy zhurnal, 2019, No.8, pp 53-57
Abstract

The article presents the results of a comparison of the microbial composition of the gingival fluid of dogs of different age groups. The practical significance of the work lies in the fact that the data obtained during the study allow us to predict the risk factors for damage to periodontal...

Author(s)
Vladimirovich, K. A.; Sergeevna, K. E.; Antonovna, C. T.; Dmitrievna, M. D.
Publisher
Saratovskiy gosudarstvennyy agrarnyy universitet im. N.I. Vavilova, Saratov, Russia
Citation
Agrarnyy nauchnyy zhurnal, 2019, No.8, pp 41-46
Abstract

The results of the crossing of the Kalmyk cows with the Galloway bulls are presented. The indicators of growth and development in crossbred bulls in comparison with purebred from birth to 8 months of age were studied. It has been proven that the crossing of Kalmyk cows with Galloway bulls in the...

Author(s)
Gasanovich, G. Z.; Igrisovich, B. O.
Publisher
Saratovskiy gosudarstvennyy agrarnyy universitet im. N.I. Vavilova, Saratov, Russia
Citation
Agrarnyy nauchnyy zhurnal, 2019, No.8, pp 37-40
Abstract

It is noted that an important reserve for improving the efficiency of livestock production is the use of advanced technologies, high-performance tools and the introduction of rational technological solutions. Therefore, a new mechanism is needed to change the feed rate of feed material to the feed...

Author(s)
Zaytsev, P. V.; Zaitsev, S. P.; Zaytseva, N. P.
Publisher
Saratovskiy gosudarstvennyy agrarnyy universitet im. N.I. Vavilova, Saratov, Russia
Citation
Agrarnyy nauchnyy zhurnal, 2019, No.7, pp 80-83
Abstract

Embryo transfer technique is one of the key in accelerated reproduction of cattle. One of the most important stages is the selection of donor cows that are most sensitive to the procedure of hormonal stimulation of ovulation. One of the promising genetic markers of the reproductive status of cattle ...

Author(s)
Tagmazian, A. A.; Arkhipova, A. L.; Brigida, A. V.; Klimov, E. A.; Kovalchuk, S. N.
Publisher
Saratovskiy gosudarstvennyy agrarnyy universitet im. N.I. Vavilova, Saratov, Russia
Citation
Agrarnyy nauchnyy zhurnal, 2019, No.7, pp 73-76

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