Ugarte, J. and Rabago, R. and Rodriguez, R. and Dominguez, G.H. (1976) Direct sowing of forage sorghum in guinea pasture during the dry season. III. Comparison of three pasture management systems for milk production. Cuban Journal of Agricultural Science, 10 (3). pp. 247-257.
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Abstract
40 crossbred Holstein-Friesian cows were used in a 1-yr evaluation of 3 grazing systems: (i) rotational with 12 paddocks of 0.32 ha each and the extra grass ensiled during the wet season ready for use in the dry season; (ii) rotational with 12 paddocks and forage sorghum sown in 40% of the area at the end of the wet season for grazing in the dry season; and (iii) semi-permanent grazing of 2 paddocks of 0.6 ha each and 1 paddock of 1.5 ha. Stocking rates were 4.2 cows/ha in (i) and (ii) and 3 cows/ha in (iii). Cows grazed for 18 h/day. Daily milk yield on (i)-(iii) during the 1st 20 wk of lactation averaged respectively 10.3, 10.5 and 11.1 l./cow (differences not significant) and 42.9, 43.6 and 33 l./ha (yield on (iii) significantly lower, P < 0.05). Overall DM availability did not differ significantly between treatments, but from Dec.-May (dry season) was 5 t/ha greater in paddocks sown with sorghum. An economic comparison showed (ii) to be the most efficient system
| Item Type: | Article |
|---|---|
| Author Affiliation: | Instituro de Ciencia Animal, Apartado 24, San Jose de las Lajas, Habana, Cuba |
| Subjects: | Animal Husbandary |
| Divisions: | Sorghum |
| Depositing User: | Ms K Syamalamba |
| Date Deposited: | 24 Jul 2012 07:34 |
| Last Modified: | 24 Jul 2012 07:35 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/6960 |
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