Respons Ayam Kampung terhadap Penambahan Kalsium Asal Siput (Lymnae Sp) dan Kerang (Corbiculla molktiana) pada Kondisi Ransum Miskin Fosfor
Abstract: The objectives of
this present investigation were to evaluate effects of using shell of
freshwater snail as major source of calcium in the diets on performance and
bone mineralization of growing native chicks (1-12 weeks of age). There were
four dietary treatments. The first was a basal diet (negative control)
containing 0.5 % bone meal, but deficient in phosphor. Three other diets which
were relatively the same in composition as that of basal diet, but one
supplemented with 2.5 % oyster shell (positive control) and two with 2.5% shell
of freshwater snail obtained from two different water bodies: lake and rice
field, respectively. One hundred birds of native chicken were divided into four
groups of treatments with five replicates with 5 birds each and offered
experimental diets for 12 weeks. Parameters measured included: body weight
gain, feed intake, feed conversion ratio (FCR), weight of tibia bone and their
ash and mineral (Ca and P) composition and retention. The chicks fed on diets
containing shell of freshwater snails showed no significantly difference in
body weight gain, feed intake and FCR with those fed on diet containing oyster
shell, but significantly lower body weight gain than those fed on basal diet
containing only bone meal. Feeding of diets supplemented with shell of snails
and oyster decreased significantly the body weight gain. However, no
significantly difference was observed in the weight and content of ash, Ca and
P of tibia bone.
Penulis: Khalil
Kode Jurnal: jppeternakandd060053
