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Latin Lesson 7
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Visual Latin Lesson 7 ExamVisual Latin Lesson 7LESSON 3 Characteristics of Living Things Learning Objectives • Describe each characteristic of life • Relate each characteristic of life with how first forms of life evolved What sets living things apart from nonliving things? Organisms are equipped with different characteristics that allow them to grow, adapt, survive, and perpetuate. These include the ability to metabolize, respond to stimuli, interact, and reproduce, among others What are the characteristics of life? Try to look at your surroundings and identify the living things that you see. You have probably identified a lot. Many scientists believe that there are more than 10 million kinds of living things that exist on Earth today. But the question is, how can something be considered living? There are certain characteristics that all living things exhibit: the characteristics of life. Living things are made up of cells. They metabolize, grow and develop, respond to stimulus, adapt to their environment, and reproduce. Living Things Are Made up of Cells All living things are made up of cells. Cells are the basic building blocks of all living things. Each cell contains materials that carry out basic life processes such as respiration. In the 1600s, an argument against the theory of spontaneous generation was made. Italian physician and biologist Francesco Redi disproved the theory that all living things come from nonliving things. Cells have different properties and characteristics. The cell theory describes the properties of all cells. There are three tenets of the cell theory: 1. The cell is the basic unit of life. 2. All living things are composed of one or more cells. 3. All cells arise from preexisting cells. The discovery of the cell is largely attributed to Robert Hooke. Upon examining a piece of cork using a microscope that he built, Hooke observed tiny compartments that he called "cells" (from the Latin word cella, meaning "little room"). Matthias Schleiden suggested that all structural parts of plants are made up of cells. In 1839, Theodore Schwann stated that along with plants, all animals were composed of cells. From these conclusions about plants and animals, advancement on the study of animal parts and functions began. In 1855, Rudolf Virchow included the idea that all cells came from preexisting cells. Some living things are made up of only single cells. Single-celled or unicellular organisms include bacteria, some protists, and some fungi. Even though composed of single cells, these organisms carry out all the functions necessary for life. Most living things such as animals and plants, are multicellular organisms. They are composed of many cells, which are grouped together and perform specific tasks in the body. In different organisms, cells also vary in sizes, shapes, parts, and functions. There are two kinds of organisms according to their cell structure, the prokaryotes and eukaryotes (figure 5-3). Prokaryotes are single-celled organisms that lack a membrane-bound nucleus, mitochondria, and all other organelles. Its name comes from the Greek words pro, which means "before," and karyon, which means "nut or kernel." Eukaryotes are organisms with cells that contain membrane-bound nucleus and other membrane-bound organelles. The nucleus of a eukaryotic cell contains the genetic material (DNA), enclosed by a nuclear envelope. Other membrane-bound organelles are mitochondria, Golgi apparatus, and chloroplast found in photosynthetic organisms such as algae and plants. There are also unicellular eukaryotes known as protozoa. All other eukaryotes are multicellular organisms, such as plants, animals, and fungi. Living Things Metabolize Essential chemical reactions in life can be best described as building up (anabolism) and breaking down (catabolism) processes. In anabolism, the substances needed by organisms to grow, store energy, and repair tissues are synthesized. In contrast in catabolism, some complex substances are broken down, releasing the energy stored in their molecules. This happens in food digestion. This chemical building up and breaking down processes are collectively called metabolism. Metabolism, from the Greek word metabole meaning "change," is the sum total of all the life-sustaining chemical reactions in living things. It allows living things to grow, maintain their structures and functions, and respond to stimuli. Living Things Grow and Develop Growth and development are not new concepts to many. In all living things, growth involves the increase in one's size or height. However, growth is not just an increase in physical structure. It also involves complex changes in an organism. Growth and development occur rapidly from younger stages of life to maturity. In humans, animals, and plants, distinct changes brought by growth and development can be dearly identified. Microorganisms such as bacteria also undergo growth and development until they reach their maximum size and maturity. A life span is the average length of time a aving thing can live. Living things have different life spans. Humans have average life spectancy of 60 to 70 years, while some plants, such as the narra trees, can live for more than 100. Living Things Respond to Stimuli All living things respond to stimuli the environment. This responsiveness Increases survivability. Stimulus (plural: uli) is any signal or change in he environment of an organism that produces a response or reaction from that organism. Responses to stimuli depend on an organism's need. Responding to stimuli also maintains homeostasis in living things. Homeostasis is the internal balance of a body system. This balance is needed for the proper function and regulation of the living thing's body. For example, when a person is in a warmer environment, the body sweats, keeping the body maintain a temperature suited for the normal function of the body. Living Things Interact No living thing can live alone. Interaction among organisms is simultaneously happening on Earth. From the smallest microorganisms to the biggest organism, and from the North Pole to the South Pole of Earth, all are connected in one living system. An ecosystem is formed when a community of organisms interacts with another community and with their environment. Many processes and interactions, such as in a feeding relationship, life cycle, and the exchange of gases between plants and animals, occur in the ecosystem. These are some of the important processes needed to maintain life on Earth. Living Things Reproduce The ability of living things to produce offspring of their kind is called reproduction. Reproduction is not an individual organism's need, rather, it is for the species' perpetuation. In some cases, animals become extinct because of their inability to reproduce their kind. Higher forms of plants and animals reproduce through sexual reproduction. Sexual reproduction involves the union of sex cells or gametes-the egg cell from a female organism and the sperm cell from a male organism. This union gives rise to a new individual with characteristics or traits from both parents. Other simple organisms, such as bacteria and plants, can reproduce asexually. These organisms give rise to a new individual from their body. A bacterial cell divided in two through asexual reproduction gives rise to new bacteria, as shown in figure 5-5. A yeast can form buds that later on become separate individual. Plants grow new plants using their stem, leaf, and roots. Both sexual and asexual reproductions have important functions. In both cases, the genetic material (DNA) is passed on from one generation to the next, ensuring the survival of the species on Earth. 1. Bacteria copy their DNA by starting at any point on the circular chromosomes. 2. The two copies of DNA attach to the inside wall of the bacterial cell. 3. The cell starts to divide, forming a new membrane and cell wall. 4. The bacterial cell splits into two separate cells, each with their own DNA. Living Things Adapt and Evolve All living things can adapt to their environment. This adaptation is necessary for rvival. Adaptation depends on the need of an individual. A polar bear, for example, would not be able to survive in an extremely cold environment without its capacity adapt. Adaptation is any response or reaction toward a stimulus that helps in the survival of an organism. A seed-eating bird will eventually eat a worm when there are seeds to be found. This change in food choice is therefore its adapting mechanism. Prolonged adaptation to certain environments may lead to the gradual evolution of the succeeding generations. Evolution is the gradual change in organisms over a long period in response to changing environment. Living Things Are Organized Life on Earth exhibits organization. The atom is the smallest unit of matter, lowed by molecules, which are combinations of atoms. When these molecules are grouped together, they form a cell. The cell is the basic unit of life. In multicellular organisms, such as plants and animals, cells are grouped as tissues to perform specific Functions. Different tissues can be grouped further and form organs. Organs in animals include the heart, brain, and lungs, among others. The organs form organ systems that makes the function of the body more complex and efficient. Organ systems form the whole organism. All living things exhibit organization, whether they are unicellular or multicellular organisms.. MATERI PERKULIAHAN Sub-CPMK 1.7 Mampu menghitung performa produksi (IP, FCR) dan melakukan Analisis Usaha Broiler per satu siklus produksi 1. IDENTITAS MATERI Mata Kuliah : Produksi Ternak Potong Unggas Komersil Pokok Bahasan : Evaluasi Performa Produksi dan Analisis Usaha Broiler Sub-CPMK : 1.7 Capaian Pembelajaran : Mahasiswa mampu: Menjelaskan parameter performa produksi broiler. Menghitung Feed Conversion Ratio (FCR). Menghitung Indeks Performa (IP). Menganalisis hasil performa produksi dalam satu siklus pemeliharaan. Menyusun analisis usaha broiler per satu siklus produksi. Menarik kesimpulan kelayakan usaha berdasarkan hasil teknis dan ekonomis. ________________________________________ 2. TUJUAN PEMBELAJARAN Setelah mengikuti perkuliahan ini, mahasiswa diharapkan mampu: Memahami konsep dasar evaluasi performa broiler. Mengidentifikasi data teknis yang dibutuhkan dalam perhitungan performa. Menghitung mortalitas, deplesi, bobot badan rata-rata, FCR, dan IP. Menghitung biaya produksi, penerimaan, keuntungan, dan efisiensi usaha broiler. Menganalisis hubungan antara performa teknis dengan hasil ekonomi usaha. ________________________________________ 3. DESKRIPSI MATERI Dalam usaha broiler modern, keberhasilan produksi tidak hanya diukur dari bobot panen, tetapi juga dari efisiensi penggunaan pakan, tingkat kematian, umur panen, serta keuntungan yang diperoleh per siklus. Oleh karena itu, diperlukan kemampuan untuk menghitung parameter teknis produksi seperti FCR dan IP, serta mengaitkannya dengan analisis usaha agar dapat diketahui apakah usaha berjalan efisien dan menguntungkan. ________________________________________ 4. POKOK-POKOK MATERI A. Konsep Dasar Evaluasi Performa Produksi Broiler 1. Pengertian Performa Produksi Performa produksi broiler adalah gambaran tingkat keberhasilan pemeliharaan ayam broiler selama satu periode/siklus pemeliharaan yang dinilai dari indikator teknis tertentu. 2. Parameter Utama Performa Produksi Parameter yang umum digunakan meliputi: Populasi awal DOC Jumlah ayam hidup saat panen Mortalitas (%) Deplesi (%) Umur panen (hari) Bobot badan rata-rata panen (kg/ekor) Total konsumsi pakan (kg) Feed Conversion Ratio (FCR) Indeks Performa (IP) ________________________________________ B. Parameter Teknis dan Rumus Perhitungan ________________________________________ 1. Mortalitas (%) Pengertian: Persentase ayam yang mati selama masa pemeliharaan. Rumus: "Mortalitas (%)"="Jumlah ayam mati" /"Populasi awal" ×100 Contoh: Populasi awal = 5.000 ekor Ayam mati = 150 ekor "Mortalitas"=150/5000×100=3% ________________________________________ 2. Deplesi (%) Pengertian: Persentase pengurangan populasi akibat kematian dan afkir/culling. Rumus: "Deplesi (%)"="Ayam mati + ayam afkir" /"Populasi awal" ×100 Jika tidak ada afkir, maka deplesi = mortalitas. ________________________________________ 3. Persentase Ayam Hidup / Livability (%) Rumus: "Livability (%)"="Jumlah ayam panen" /"Populasi awal" ×100 atau "Livability (%)"=100-"Deplesi (%)" ________________________________________ 4. Bobot Badan Rata-Rata Panen Rumus: "Bobot rata-rata (kg/ekor)"="Total bobot panen (kg)" /"Jumlah ayam panen (ekor)" ________________________________________ 5. Feed Conversion Ratio (FCR) Pengertian: FCR adalah rasio jumlah pakan yang dikonsumsi terhadap pertambahan bobot hidup atau bobot hidup yang dihasilkan. Rumus praktis broiler: "FCR"="Total konsumsi pakan (kg)" /"Total bobot hidup panen (kg)" Interpretasi: Semakin rendah nilai FCR, semakin efisien penggunaan pakan. Contoh: Total pakan = 16.000 kg Total bobot panen = 9.600 kg "FCR"=16.000/9.600=1,67 Interpretasi: Untuk menghasilkan 1 kg bobot hidup, dibutuhkan 1,67 kg pakan. ________________________________________ 6. Indeks Performa (IP) Pengertian: IP adalah indikator gabungan untuk menilai performa pemeliharaan broiler berdasarkan: daya hidup, bobot badan, umur panen, efisiensi pakan. Rumus umum IP: "IP"=("Livability (%)" ×"Bobot rata-rata (kg)" )/("Umur panen (hari)" ×"FCR" )×100 Contoh: Livability = 97% Bobot rata-rata = 2,0 kg Umur panen = 35 hari FCR = 1,67 "IP"=(97×2,0)/(35×1,67)×100 "IP"=194/58,45×100=331,9 Jadi, IP = 331,9 ________________________________________ C. Interpretasi Nilai FCR dan IP 1. Interpretasi FCR < 1,50 = sangat efisien 1,50 – 1,65 = efisien/baik 1,66 – 1,80 = cukup > 1,80 = kurang efisien Catatan: Nilai ini dapat berbeda tergantung strain, umur panen, sistem kandang, musim, dan standar perusahaan. ________________________________________ 2. Interpretasi IP (umum) > 400 = sangat baik / ممتاز 351 – 400 = baik 301 – 350 = cukup baik 251 – 300 = sedang < 250 = kurang Dalam praktik kemitraan, IP sering menjadi dasar evaluasi bonus performa. ________________________________________ 5. HUBUNGAN PARAMETER TEKNIS DENGAN KINERJA USAHA Performa teknis sangat menentukan keuntungan usaha broiler: FCR naik → biaya pakan meningkat → laba turun Mortalitas naik → ayam panen berkurang → penerimaan turun Bobot panen rendah → total kg jual turun → omzet turun Umur panen terlalu lama → biaya operasional naik → efisiensi turun IP tinggi → menunjukkan usaha lebih efisien dan berpotensi lebih menguntungkan ________________________________________ 6. ANALISIS USAHA BROILER PER SATU SIKLUS PRODUKSI A. Pengertian Analisis Usaha Analisis usaha broiler adalah perhitungan ekonomi untuk mengetahui: total biaya produksi, total penerimaan, pendapatan/keuntungan, efisiensi usaha, kelayakan usaha per satu siklus pemeliharaan. ________________________________________ B. Komponen Biaya Produksi 1. Biaya Tetap (Fixed Cost) Biaya yang relatif tidak berubah dalam satu siklus, misalnya: Penyusutan kandang Penyusutan peralatan Pajak/sewa lahan (jika dihitung) Bunga modal tetap (opsional) 2. Biaya Variabel (Variable Cost) Biaya yang berubah sesuai jumlah populasi, misalnya: DOC Pakan Obat, vitamin, vaksin (OVK) Sekam/litter Gas/LPG/bahan bakar brooder Listrik dan air Tenaga kerja Desinfektan dan sanitasi Biaya panen/angkut Biaya lain-lain operasional Catatan penting: Pada usaha broiler, pakan biasanya menyumbang 60–70% dari total biaya produksi. ________________________________________ 7. RUMUS ANALISIS USAHA 1. Total Biaya Produksi (TC) "TC"="Biaya Tetap"+"Biaya Variabel" ________________________________________ 2. Total Penerimaan (TR) Jika dijual berdasarkan bobot hidup: "TR"="Total bobot panen (kg)"×"Harga jual per kg" Jika ada penerimaan tambahan: "TR total"="Penjualan ayam"+"Penjualan kotoran"+"Penjualan karung pakan/bekas" ________________________________________ 3. Keuntungan / Pendapatan (π) π="TR"-"TC" ________________________________________ 4. R/C Ratio R/C="TR" /"TC" Kriteria: R/C > 1 → usaha menguntungkan R/C = 1 → impas R/C < 1 → usaha merugi ________________________________________ 5. B/C Ratio (opsional) B/C=("TR" -"TC" )/"TC" ________________________________________ 6. Harga Pokok Produksi (HPP) "HPP per kg"="Total biaya produksi" /"Total bobot panen (kg)" Interpretasi: Jika harga jual > HPP → usaha berpotensi untung. FAKTOR-FAKTOR YANG MEMPENGARUHI FCR, IP, DAN KEUNTUNGAN A. Faktor Teknis Kualitas DOC Mutu pakan Program brooding Kepadatan kandang Ventilasi dan suhu kandang Kualitas air minum Program vaksinasi dan biosekuriti Manajemen litter Ketepatan waktu panen B. Faktor Ekonomi Harga DOC Harga pakan Harga jual ayam hidup Biaya tenaga kerja Biaya energi (gas/listrik) Sistem usaha (mandiri vs kemitraan) STRATEGI MENINGKATKAN PERFORMA DAN KEUNTUNGAN Gunakan DOC berkualitas dan seragam Laksanakan brooding secara optimal (0–14 hari sangat krusial) Pastikan feed intake dan water intake normal Terapkan biosekuriti ketat Kurangi feed wastage Pantau bobot badan mingguan Lakukan culling selektif Tentukan umur panen berdasarkan kombinasi FCR, bobot, dan harga pasar Evaluasi performa tiap siklus dengan pencatatan lengkap Gunakan data historis untuk perbaikan keputusan produksi RANGKUMAN MATERI FCR menunjukkan efisiensi penggunaan pakan. Semakin kecil FCR, semakin baik. IP adalah indikator gabungan performa broiler yang mempertimbangkan: daya hidup, bobot panen, umur panen, efisiensi pakan. Analisis usaha broiler harus mengintegrasikan: aspek teknis (FCR, IP, mortalitas, bobot panen) aspek ekonomi (biaya, penerimaan, laba, R/C, HPP) Usaha broiler dinilai baik apabila: FCR efisien, mortalitas rendah, IP tinggi, HPP lebih rendah dari harga jual, R/C ratio > 1. PENUTUP Kemampuan menghitung FCR, IP, dan melakukan analisis usaha broiler per satu siklus produksi merupakan kompetensi penting dalam manajemen produksi broiler modern. Mahasiswa tidak hanya dituntut memahami teori, tetapi juga harus mampu membaca data produksi, melakukan perhitungan secara akurat, dan mengambil keputusan manajerial berbasis hasil analisis teknis-ekonomis. REFERENSI SINGKAT (untuk bahan ajar/RPS) North, M.O., & Bell, D.D. Commercial Chicken Production Manual. Leeson, S., & Summers, J.D. Commercial Poultry Nutrition. Bell, D.D., & Weaver, W.D. Commercial Chicken Meat and Egg Production. Saputra, dkk. Literatur manajemen broiler modern dan analisis usaha ternak unggas. Standar teknis perusahaan integrator/kemitraan broiler (CP, Japfa, Malindo, dll.) untuk benchmarking FCR dan IP. Latin Lesson 10Visual Latin Lesson 11Visual Latin Lesson 10,Ms. Kratzer Latin Bases Lesson 3