Intravaginal progestagen for estrus and parturition control in sows

被引：5
|
作者：
Gasperin, Bernardo Garziera [1 ]
Freling, Gabriel Fernando [1 ]
Ferreira, Rogerio [1 ]
Coelho de Oliveira, Joao Francisco [1 ]
Bordignon, Vilceu [2 ]
Dias Goncalves, Paulo Bayard [1 ]
机构：
[1] Univ Fed Santa Maria, Dept Clin Grandes Animais, Anim Reprod & Biotechnol Lab, Hosp Vet, BR-97105900 Santa Maria, RS, Brazil
[2] McGill Univ, Dept Anim Sci, Ste Anne De Bellevue, PQ H9X 3V9, Canada
来源：
PESQUISA AGROPECUARIA BRASILEIRA | 2011年 / 46卷 / 08期
关键词：
gestagens; intravaginal device; labor; swine reproduction; REPRODUCTIVE-PERFORMANCE; PROGESTERONE; ALTRENOGEST; ESTROGEN;
D O I：
10.1590/S0100-204X2011000800024
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
The objective of this work was to evaluate the use of intravaginal devices (IVD) for the control of reproductive events in swine. Sows at 112 days of pregnancy received an injection of PGF2 alpha (control, n = 15) or PGF2 alpha plus an IVD containing medroxyprogesterone acetate (IVD group, n = 14) for 48 hours. Sows initiated labor 27.7 +/- 1.6 and 82.3 +/- 3.8 h after PGF2 alpha aplicaction, in control and treated groups, respectively. Regarding control of estrus cycle, ten sows received IVD for 12 days starting immediately after weaning, and estrus was confirmed 17.25 +/- 0.17 days after weaning, in comparison to 4.00 +/- 0.25 days for the control group. Intravaginal devices with progestagen can be applied for the control of reproduction in swine.
引用
收藏
页码：961 / 964
页数：4
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