STATUS REPRODUKSI DAN ESTIMASI OUTPUT BERBAGAI BANGSA SAPI DI DESA SRIWEDARI, KECAMATAN TEGINENENG, KABUPATEN PESAWARAN
ABSTRACT: The aim of this
research is to know the status of reproduction, NI, NRR, and output of some
cattle breeds at Sriwedari Village, Tegineneng Districts, Pesawaran
Regency. The research was carried out
for two months, started in Agustus until September 2015. The data was taken
from all of the cattle farmers in Sriwedari Village. The result shows that the
structure of cattle population in Sriwedari Village are consisted of 123 animal
unit (AU) PO cattle, 57,50 AU Limousin Crossbreed, 173,50 AU Simmental
Crossbreed, 9 AU Brangus Crossbreed. Female cattles were breed by artificial
insemination, the first mating age of PO cattle was 17,25 months, Limousin
Crossbreed was 18,85 months, Simmental Crossbreed was 17,77 months, and Brangus
Crossbreed 15,5 months. S/C Brangus
Crossbreed was 2, PO cattle was 2,07, Limousin Crossbreed was 2,14, and Simmental
Crossbreed 2,16. Calving interval
of PO cattle was 14,13 months, Simmental
Crossbreed was 13,94 months, Brangus Crossbreed was 13,85 months, and Limousin
Crossbreed was 13,74 months. The length
of breeding of PO cattle was 7,83 years, Limousin Crossbreed was 6,74 years,
Simmental Crossbreed was 6,29 years, and Brangus Crossbreed was 6,63 years. Natural increase of Simmental Crossbreed was 42,62%, PO cattle was 17,99%, Limousin
Crossbreed was 9,84%, Brangus Crossbreed
was 9,09%. Net replacement rate of PO
cattle 333,668%, Limousin Crossbreed was 281,818%, Simmental Crossbreed was 261,588%, Brangus Crossbreed was 228,571%.
Output of Simmental Crossbreed
was 27,07%, PO cattle was 20,86%, Limousin Crossbreed was 14,75%, Brangus
Crossbreed was 9,09%.
Penulis: Septia Anggraini,
Sulastri, Sri Suharyati
Kode Jurnal: jppeternakandd160049
