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One of the characteristics of the swine production is to be unstable due to its biological component. So the objetive of the swine industry is to archive this stability on environmental and economic conditions and technological practices of the same system. The objective of this work was the stabilization of a swine production intensive system by means of the replacement rate. We developed a m ...

SUBJECT: stabilite; tasa de reemplazo, eficiencia; economia de la produccion; production economics; methode statistique

POSTED TO: Revista Computadorizada de Producción Porcina (Cuba) [1026-9053]

Journal Article

A NOTE ON REPRODUCTIVE PERFORMANCE OF SOWS FED PROCESSED SWILL AND SUGAR CANE FINAL MOLASSES IN A CYCLE OF THREE YEARS

Cabrera, Y., Instituto de Investigaciones Porcinas Gaveta Postal No 1, Punta Brava, La Habana et al. [2000]

The reproductive performance of ten YorkshirexLandrace sows (initial age and live weight, eight months and 110 kg) from a mini-pig unit at the Swine Research Institute was evaluated during a three-year cycle (1996 to 1998). The sows were given a diet basedprocessed swill and sugar cane final molasses during the dry and gestating stages and a commercial concentrate (crude protein, 16%) during t ...

SUBJECT: cerdas reproductoras; desperdicios procesados,; cerdas; wastes; comportement reproductif

POSTED TO: Revista Computadorizada de Producción Porcina (Cuba) [1026-9053]

Journal Article

THE USE OF HORMONES IN THE SWINE REPRODUCTION IN CUBA

Arias, T., Instituto de Investigaciones Porcinas. Gaveta Postal No. 1, Punta Brava. La Habana [2000]

Specialized methods controlling pig reproductive performance are indispensable to assess the demands of current intensive pig production. The use of biological and technological methods meets these requirements. Exogenous hormones utilization to synchronize and induce estrus in sows and gilts and of other stimulators to induce farrowing are examples of these techniques. The objective of this t ...

SUBJECT: cycle oestral; cerdas; ciclo estral; hormones; prostaglandine

POSTED TO: Revista Computadorizada de Producción Porcina (Cuba) [1026-9053]

Journal Article

SOWS FERTILITY IMPROVEMENT BY MEANS OF PREDIL MR-A

Arias, T., Instituto de Investigaciones Porcinas. Gaveta Postal No. 1, Punta Brava. La Habana et al. [1999]

A spanish synthetic seminal plasma (PREDIL-MR-A) was evaluated in artificial inseminated sows in order to look for an improvement on fertility and prolificacy. PREDIL-MR-A is a substance that promotes a better spermatic metabolism and transport as well as embryonic development. For the trial 332 non-pregnant crossbreed sows were used for a period of 18 weeks. The average parity was 5.65 the so ...

SUBJECT: semen; cerdas - nuliparas, multiparás, efectividad economica; cerdas; sperme; fertility

POSTED TO: Revista Computadorizada de Producción Porcina (Cuba) [1026-9053]

Journal Article

CORRELATIONS BETWEEN THE VARIABLES OF THE REPRODUCTIVE TRACT AT 30 DAYS OF GESTATION IN GILTS FROM DIFFERENT BREEDS AND CROSSBREEDS

Arias, T., Instituto de Investigaciones Porcinas. Gaveta Postal No. 1, Punta Brava. La Habana et al. [1999]

With the aim of analyzing the correlations between the most important traits of the reproductive potential, data were taken from 198 purebred Yorkshire (YY), Duroc (DD), Hampshire (HH) and Creole (CR) gilts and from crossbred Yorkshire x Landrace (YL), Yorkshire x Duroc (YD) and Duroc x Hampshire (DH) gilts slaughtered at 30 days of gestation. Means and correlation coefficients were determined ...

SUBJECT: correlation genetique; cerdas; correlacion genetica; reproductive performance; performance de reproduction

POSTED TO: Revista Computadorizada de Producción Porcina (Cuba) [1026-9053]

Journal Article

CORRELATION IN REPRODUCTIVE TRAITS OF DUROC X HAMPSHIRE GILTS AT 30 DAYS OF PREGNANCY

Díaz, C., Instituto de Investigaciones Porcinas. Gaveta Postal No. 1, Punta Brava. La Habana et al. [1998]

Forty Duroc x Hampshire gilts were used in this study. The gilts on second heat were inseminated with fresh and diluted semen (5x109 spermatic cells) from CC21 boars. The gilts weighed about 96.5 kg. The pregnant gilts were slaughtered at 30 days of gestation. The morphometry of the reproductive tract was carried out taking into account the following measurements: and means: slaughter weight 1 ...

SUBJECT: correlacion genetica; embriones animales; embryon animal; ovulacion; truie

POSTED TO: Revista Computadorizada de Producción Porcina (Cuba) [1026-9053]

Journal Article

REPRODUCTIVE BEHAVIOUR OF LANDRACE X YORKSHIRE, DUROC X YORKSHIRE AND HAMPSHIRE X DUROC SOWS FEEDED WITH A NON CONVENTIONAL DIET

Villarreal, P., Instituto de Investigaciones Porcinas. Gaveta Postal No. 1, Punta Brava. La Habana et al. [1998]

A total of 367 farrows of gilts and sows LY (129), DY (116) and HD (122) were analyzed. The data were selected between January 1994 and December 1995.Most of the animals were mated with CC21 boars. They were fed on soybean meal and B molasses during dry and pregnancy period and on cereals in suckling period respectively. The analysis was based on least square means. The model took into account ...

SUBJECT: biological interaction; cruzamiento; biological rhythms; parto; ritmos biologicos

POSTED TO: Revista Computadorizada de Producción Porcina (Cuba) [1026-9053]

Journal Article

USE OF TYPE B MOLASSES AS ENERGETIC SOURCE OF THE DIET IN THE DEVELOPING AND PREGNANCY OF THE SOW.

Lan, J.A, Instituto de Investigaciones Porcinas. Gaveta Postal No. 1, Punta Brava. La Habana et al. [1997]

Forty eight gilts YLxH with 31.0 kg LW intered during 120 days a diet of type B molasses and torula yeast. After the mating, the animals were distributed in two treatments according to a completely random design, wich lad diets based on maize or type B molasses and torula yeast as only proteic source. The sows during lactation were fed with a cereals feed and after weaning they back to intake ...

SUBJECT: comportamiento reproductivo; intervalo entre partos; intervalle entre parturition; litter size; truie

POSTED TO: Revista Computadorizada de Producción Porcina (Cuba) [1026-9053]

Journal Article

REPRODUCTIVE TRACT, OVULATION RATE AND EMBRIONIC MORTALITY OF CUBA CRIOLLO GILTS.

Arias, T., Instituto de Investigaciones Porcinas. Gaveta Postal No. 1, Punta Brava. La Habana et al. [1997]

In order to characterize the reproductive tract, ovulation rate and embrionic mortality of Criollo swine of Cuba twenty five 8-9 months old with 85 kg live weight Criollo gilts were used. Gilts were fed with a B molasses and soy bean meal diet and inseminated with fresh and preserved 24 hours CC21 semen. Gilts were slaughtered at 30 days of gestation and the reproductive tract, vulvs, vagins a ...

SUBJECT: embriones animales; embryon animal; truie; mortalite; tracto reproductivo, tasa de ovulación, cochinatas

POSTED TO: Revista Computadorizada de Producción Porcina (Cuba) [1026-9053]

Journal Article

HIGH TEST MOLASSES AND TORULA YEAST AS FEED FOR LACTATING SOWS. III EFFICIENCY IN THE USE OF AN ENERGY SOURCE. CARCASS COMPOSITION

Barrios, A., Instituto de Investigaciones Porcinas. Gaveta Postal No. 1, Punta Brava. La Habana et al. [1996]

One hundred and three gilts were fed with corn or high test molasses during three reproduction cycles in order to study the milks composition, the backfat variations, carcass composition in sows and piglets and the efficiency of food energy. Sows were alloted in three treatments I (corn - torula yeast), II (restricted high test molasses - torula yeast) and III (ad libitum high test. molasses - ...

SUBJECT: canals; cerdas; canales; subproductos del azucar; suckling

POSTED TO: Revista Computadorizada de Producción Porcina (Cuba) [1026-9053]