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Forage supply from herbs was assessed in a thinned Caatinga enriched with buffel grass (Cenchrus ciliaris L.) exposed to goat and sheep grazing. The 2.4 ha experimental area, located at the Experimental Station of the Federal University of Campina Grande, in Santa Terezinha, Paraíba State, Brazil, was divided into four 0.6 ha paddocks, which were further subdivided into two 0.3 ha experimental plots. Twelve F1 (Boer x SRD) goats and 12 Santa Inês sheep were divided in four groups of six animals of the same species. The herbaceous vegetation was separated into buffel grass (Cenchrus ciliaris L.), dicotyledons and other grass species. Treatments were randomized to plots according to a completely random design with two treatments, four replications, with measures repeated in time (July/1, Aug/1, Sept/1 and Oct/1. Buffel grass dry mater (DM) availability was higher in the sheep grazed than in the goat-grazed area. Buffel grass DM supply did not change from July to September, while dicotyledons DM supply decreased. Grazing affected availability, accumulation rate and supply of the forage produced (DM basis) by dicotyledonous herbs. Buffel grass forage availability was not affected during the experimental period.  Objetivou-se avaliar a oferta de forragem do estrato herbáceo de uma Caatinga raleada e enriquecida com capim buffel (Cenchrus ciliaris L.), submetida ao pastejo de caprinos e ovinos. O experimento foi realizado na Universidade Federal de Campina Grande, Estado da Paraíba. A área experimental foi de 2,4 ha, dividida em quatro piquetes de 0,6 ha, nos quais foram alocadas parcelas experimentais de 0,3 ha. Utilizaram-se 12 caprinos F1 (Bôer x SRD) e 12 ovinos Santa Inês, que foram distribuídos em quatro grupos de seis animais. A vegetação herbácea foi separada em capim buffel (Cenchrus ciliaris L.), dicotiledôneas e outras gramínea. Utilizou-se um delineamento inteiramente casualizado, com observações repetidas no tempo (1/jul., 1/ago., 1/set. e 1/out.). A disponibilidade de matéria seca (MS) de capim buffel na área pastejadas por ovinos foi superior ao observado na área ocupada por caprinos. A oferta de MS de capim buffel não variou com os períodos de avaliações. Já para as dicotiledôneas foi observado uma redução no decorrer das épocas de avaliações na oferta de MS. O pastejo dos animais afetou a disponibilidade, taxa de acúmulo e oferta de MS das dicotiledôneas herbáceas. O período de avaliação não interferiu na disponibilidade do capim buffel

acta scientiarum. animal sciences

Forage supply in thinned Caatinga enriched with buffel grass (Cenchrus ciliaris L.) grazed by goats and sheep - doi: 10.4025/actascianimsci.v34i2.12548