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Abstract

Data covering a 9-yr period were analysed on 46 000 heifers and cows, and on 90 000 ejaculates of 241 bulls, of which 188 were Russian Black Pieds (RBP). Optimum values for some traits were as follows: post-partum insemination interval, 31-60 days; dry period 50-70 days; age at 1st mating, 18-22...

Author(s)
Basovskii, N. Z.; Pepina, G. D.
Citation
Sbornik Nauchnykh Trudov Vsesoyuznogo Nauchno-Issledovatel'skogo Instituta Razvedeniya i Genetiki Sel'skokhozyaistvennykh Zhivotnykh, 1972, No. 18, pp 18-30
Abstract

20 ejaculates (2/day) were obtained from each of 5 Precoce rams. For ejaculates obtained by a standard ovine artificial vagina and by a modified bovine artificial vagina resp., semen volume averaged 1.35 and 1.45 ml, sperm motility 93 and 94%, and sperm concentration (X109 spermatozoa/ml) 3.95 and...

Author(s)
Burov, V. A.
Citation
Ovtsevodstvo, 1973, No. 10, pp 6-7
Abstract

In 22 Adler Silvery cocks, comb development at 70 days of age was significantly correlated with sperm concentration at 6 mth of age (-0.72); comb development at 5 mth was significantly correlated with the degree of eversion of the cloaca at 5 mth (0.70) and at 6 mth (0.80), and with sperm motility...

Author(s)
Kurbatov, A. D.; Voronina, M. S.; Shishkin, Yu. I.
Citation
Vestnik Sel'skokhozyaistvennoi Nauki, Moscow, USSR, 1973, No. 12, pp 60-65
Abstract

99, 81, 75 and 59 ejaculates were collected using massage alone, a rapid or a prolonged massage in presence of a female , or electro-ejaculation. For the 4 methods resp., ejaculation time averaged 49, 55, 130 and 59 s, ejaculate volume 0.25, 0.23, 0.23 and 0.26 ml, sperm count (X109) 1.739, 1.541,...

Author(s)
Besulin, V.; Sakhatskii, N.
Citation
Ptitsevodstvo, 1974, No. 10, pp 24-26
Abstract

Before the expected onset of the breeding season, Large Grey ganders were allowed 14 h light daily for 4 wk, and females the same daily photoperiod for 2 wk. Semen was collected by massage at 1-day or 2-day intervals. Ejaculate volume remained unchanged throughout the season; the av. volume of...

Author(s)
Sergeev, V.; Bondarenko, A.; Kosov, V.
Citation
Ptitsevodstvo, 1976, No. 11, pp 24-25
Abstract

For 32 Broad Breasted White (BBW) males housed in 2-tier cages (2 birds/cage) and for 45 BBW males housed on deep litter, ejaculate volume averaged 0.26 and 0.27 ml resp., sperm concentration (X 109/ml) 7.54 and 6.44, sperm motility 86 and 86%, methylene blue reduction time 144 and 126 s, and the...

Author(s)
Besulin, V.; Reut, I.
Citation
Ptitsevodstvo, 1977, No. 2, pp 32-33
Abstract

Semen was collected from mature Large Grey ganders (10/group) with rest periods of 1, 2, 3, 4 or 5 days between collections, and from young ganders (7-14/group) with rest periods of 1, 2 or 3 days between collections. One group of mature ganders and one of young ganders were naturally mated (1 male ...

Author(s)
Bondarenko, A. P.
Publisher
Kharkov., USSR
Citation
Nauchno-Tekhnicheskii Byulleten'. Ukrainskii Nauchno-Issledovatel'skii Institut Ptitsevodstva., 1977, pp 7-11
Abstract

Semen was collected from 22 young and 14 old ganders (groups 1 and 2) with a 1-day interval between collections, and from 21 young and 15 old ganders (groups 3 and 4) with a 2-day interval between collections. For the 4 groups resp., ejaculate volume averaged 0.42, 0.40, 0.38 and 0.42 ml, sperm...

Author(s)
Kosov, V. N.; Bondarenko, A. P.
Citation
Trudy. Kubanskii Sel'skokhozyaistvennyi Institut, 1977, No. 153 (181), pp 26-32
Abstract

Data were obtained on a breeding flock comprising approx. 10 000 females and 318 males . For males aged 180-220, 221-261, 262-302, 303-343, 344-384, 385-425 and 426-466 days, ejaculate volume averaged 0.32, 0.30, 0.41, 0.46, 0.50, 0.47 and 0.53 ml resp. At 210, 240, 270, 300, 330, 360, 390 and 420...

Author(s)
Belov, L.; Pudov, V.; Konovalova, N.
Citation
Ptitsevodstvo, 1979, No. 5, pp 32-33
Abstract

As a result of studies on the effect of antibiotics on quality of producing boars' semen, the perfect dose of sanitizing agents cefotaxime, cefepime and ampicillin was determined as part of semen diluent which contributes to obtaining better results in terms of mobility, morphological and acrosome...

Author(s)
Bogdanovich, D. M.; Budevich, A. I.; Glivanskaya, O. I.
Publisher
Nuchno-prakticheskiy tsentr Natsional'noy akademii nauk Belarusi po zhivotnovodstvu, Zhodino, Belarus
Citation
Zootekhnicheskaya Nauka Belarusi, 2016, No.51 Part 1, pp 4-10

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